James Rutherford
Plumbing & Commercial Kitchen Equipment Specialist · Master Plumber (Texas)
James Rutherford is a licensed Master Plumber (Texas) with 22 years in the trade. He specializes in tankless water heater installation and diagnostics, commercial kitchen equipment service, and gas appliance troubleshooting.
James has hands-on experience with Navien, Rinnai, Noritz, Bradford White, and Rheem systems — from residential tankless heaters to high-capacity commercial water heating arrays. His commercial kitchen work covers gas ranges, ovens, steamers, and dishwashers in restaurant and institutional settings.
His guides reflect real-world diagnostic sequences used by licensed technicians, not just error code lookups from service manuals. He explains what each fault code means in practical terms — which sensor failed, what condition triggered the lockout, and how to confirm the fix before closing up the unit.
Certifications
- Master Plumber — Texas State Board of Plumbing Examiners
- Navien / Rinnai / Noritz factory-trained
- Gas appliance certification (CSST, gas piping, combustion analysis)
Equipment Experience
- Tankless water heaters (Navien, Rinnai, Noritz, Rheem)
- Storage tank water heaters (Bradford White, AO Smith, Rheem)
- Commercial kitchen equipment (gas ranges, ovens, steamers, dishwashers)
- Boilers and hydronic heating systems
- Gas piping and combustion safety systems
Articles by James Rutherford (1039)
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A.O. Smith Water Heater High-Limit Switch/ECO Replacement
No hot water or tripped reset button means the high-limit switch has shut off power. Replacing the upper thermostat/ECO assembly restores safe heating.
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Rheem Water Heater Drain Valve Replacement - Signs & How-To
A leaking, cracked, or seized drain valve at the tank bottom won't drain properly or drips constantly. Replace it with a brass upgrade.
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Rheem Water Heater Dip Tube Replacement - Signs & How-To
Lukewarm water or hot runs out fast? The cold-water dip tube inside your Rheem heater likely cracked. Replacing it restores proper heating.
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Rheem Tankless Water Heater Secondary Heat Exchanger Replacement
Low outlet temp, error 29, water leaks, poor hot water flow, and visible corrosion mean your secondary heat exchanger has failed. Replacing it restores proper heating and clears the fault.
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Rinnai Tankless Heat Exchanger Replacement - Signs & How-To
Overheating codes, scale buildup, inconsistent hot water, and persistent error 14 mean your Rinnai heat exchanger is blocked or failing. Replacing it restores performance.
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Rheem Tankless Water Heater Control Board Replacement Guide
Persistent error codes, ignition failures, no heating, or unresponsive controls mean your PCB is faulty. Replacing the control board restores normal operation after you rule out sensors and wiring.
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Navien Control Board Replacement - Signs & How-To
Error codes E015/E016, no ignition, display failure, or intermittent lockouts mean a faulty control board. Replacing the PCB restores operation.
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Navien Tankless Igniter/Flame Rod Replacement - Signs & How-To
Error code 003, ignition failure, clicking with no flame, or delayed ignition mean your igniter or flame rod is dirty or failed. Replacing the assembly fixes it.
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Rinnai Tankless Water Heater Igniter / Electrode Replacement
Ignition failure codes, no hot water, clicking without ignition, and sooty flame rod tips mean the igniter or electrode needs cleaning or replacement.
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Rheem Water Heater Pilot & Burner Assembly Replacement Guide
Pilot won't stay lit, weak flame, burner won't ignite, or sooting? Replacing the Rheem pilot assembly or burner assembly fixes failed flame proving and gas delivery issues.
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Bradford White Water Heater Pilot & Burner Assembly Replacement
Pilot won't stay lit, no spark at igniter, thermopile reads under 400 mV, or main burner won't fire. Replace the pilot assembly to restore ignition and flame sensing.
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Rheem Water Heater Anode Rod Replacement - Signs & How-To
Rusty water, rotten-egg odor, tank noise, and reduced hot water mean your sacrificial anode rod is consumed. Replacing it prevents tank corrosion and restores water quality.
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A.O. Smith Water Heater Anode Rod Replacement Guide
Foul-smelling hot water, rusty discharge, and visible corrosion mean your anode rod is spent. Replacing it restores tank protection.
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A.O. Smith Water Heater Thermocouple Replacement - Signs & How-To
Pilot won't stay lit, or it lights briefly then shuts off. Replace the thermocouple (pilot flame sensor) to restore gas flow and heating.
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A.O. Smith Water Heater Heating Element Replacement Guide
No hot water, lukewarm showers, slow recovery, or only the top half heating? A failed electric heating element is the cause. Replacing it restores full heating.
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Rheem Water Heater Heating Element Replacement - Signs & How-To
No hot water, lukewarm showers, or tripped breakers signal a burned-out heating element. Replacing the failed screw-in or flange element restores heating.
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Whirlpool Microwave High-Voltage Transformer Replacement Guide
No heat, humming noise, blown fuses, and running without cooking point to a failed high-voltage transformer. Replacing it restores heating.
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Whirlpool Microwave Cavity Light Bulb Replacement - Signs & How-To
Interior light won't turn on when you open the door or start cooking. Replacing the 40-watt incandescent bulb behind the vent grille fixes it.
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Samsung Microwave High-Voltage Capacitor Replacement Guide
Microwave runs but won't heat, hums abnormally, or shows no response when you start a cook cycle. Replacing the failed high-voltage capacitor restores heating.
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Samsung Microwave Thermal Fuse/Cavity Thermostat Replacement
Microwave won't start, won't heat, or shows door/key error after thermal fuse or cavity TCO opens. Replacing the blown safety device and fixing the root cause restores operation.
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Whirlpool Microwave Thermal Fuse / Cavity Thermostat Replacement
Microwave won't start, stops heating, or shuts down mid-cycle when the thermal fuse or cavity thermostat trips. Replacing the failed part restores operation.
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Whirlpool Microwave Control Board Replacement - Signs & How-To
E03 error, dead display, unresponsive buttons, or random beeps mean the main control board or user interface has failed. Replacing them restores function.
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GE Microwave Control Board Replacement - Signs & How-To
Dead display, unresponsive buttons, PF/F3 codes, or clock resets all point to a failed control board. Replacing it restores operation.
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Panasonic Microwave Turntable Plate & Drive Coupler Replacement
Tray won't spin, wobbles, or makes grinding noise. Replacing the glass plate, drive coupler, or turntable motor restores smooth rotation.
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Whirlpool Microwave Charcoal/Grease Filter Replacement Guide
Saturated grease filters reduce airflow and charcoal filters lose odor control. Replacing both filters restores ventilation and eliminates smoke.
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Whirlpool Microwave Turntable Motor Replacement - Signs & How-To
Glass tray won't spin, hums but doesn't turn, or tray jerks and stops. Replacing the turntable motor and drive coupling fixes rotation failures.
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Whirlpool Microwave Waveguide Cover Replacement - Signs & How-To
Arcing, sparks, burning smell, or loud heating noise mean your waveguide cover is burned or cracked. Replacing it restores safe operation.
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GE Microwave High-Voltage Diode Replacement - Signs & How-To
A failed high-voltage diode stops your GE microwave from heating or causes weak/slow heating. Replacing the shorted or open diode restores full power.
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Samsung Microwave Door Switch Replacement - Signs & How-To
Won't start, stops mid-cycle, or runs with door ajar? A failed door interlock switch blocks operation. Replacing it restores safe door sensing.
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GE Microwave Door Switch Replacement - Signs & How-To
Microwave won't start, runs with door open, or error codes point to door switches. Replacing the faulty interlock micro-switch fixes it.
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Frigidaire Gas Oven Thermostat Replacement - Signs & How-To
Oven won't heat, overheats, or runs 50°F off target. Replacing the oven temperature sensor or mechanical thermostat restores accurate temperature control.
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GE Oven Control Knob Replacement - Signs & How-To
A broken, loose, or cracked GE oven control knob won't turn the burner or oven on reliably. Replacing the knob restores operation.
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Whirlpool Oven Control Knob Replacement - Signs & How-To
Cracked, loose, or missing knobs that won't turn burners or oven controls? Replacing the control knob restores proper operation and grip.
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Frigidaire Gas Oven Safety Valve Replacement - Signs & How-To
Igniter glows but oven won't heat, or no glow at all. Replacing a failed Frigidaire gas oven safety valve restores heat and burner ignition.
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GE Gas Oven Safety Valve Replacement - Signs & How-To
If your GE oven won't heat but cooktop burners work, the safety valve or regulator shutoff may be closed. Replacing the valve restores heat.
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Whirlpool Oven Gas Safety Valve Replacement - Signs & How-To
Oven won't heat, bake, or ignite when safety valve fails. Replacing the gas oven safety valve (gas control valve) restores gas flow to burner.
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Frigidaire Oven Door Gasket Replacement - Signs & How-To
Torn, loose, or flattened oven door gaskets let heat escape and prevent proper sealing. Replacing the gasket restores the heat seal and door fit.
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Whirlpool Oven Door Hinge Replacement - Signs & How-To
Door won't close flush, hangs uneven, or won't seat against the seal? Worn or bent hinges prevent proper closing and heat retention. Replace them.
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Samsung Oven Door Hinge Replacement - Signs & How-To
Door drops when opened, won't stay level, or won't close flush. Replacing worn or bent hinges restores proper door operation and seal.
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GE Oven Spark Module Replacement - Signs & How-To
No spark at burners, continuous sparking, or only some burners lighting means your ignition module has failed. Replacing it restores proper ignition.
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Frigidaire Gas Range Spark Electrode Replacement - Signs & How-To
Burner clicks but won't light, no spark at one or more burners, or cracked ceramic on the electrode? Replacing the spark electrode fixes ignition.
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Whirlpool Oven Spark Igniter Switch Replacement - Signs & How-To
If your Whirlpool gas range burner won't spark or sparks continuously, the igniter switch may be failed. Replacing it restores normal ignition.
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GE Gas Range Spark Ignition Switch Replacement - Signs & How-To
No spark or continuous clicking when you turn the burner knob to LITE means a bad ignition switch. Replacing the switch restores spark.
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KitchenAid Oven Surface Element Switch Replacement - Signs & How-To
When a KitchenAid burner won't heat, stays on high, or won't shut off, replacing the surface element infinite switch restores proper heat control.
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Whirlpool Oven Surface Element Switch Replacement - Signs & How-To
If your Whirlpool cooktop burner won't heat, stays on full, or heats only on some settings, the infinite switch is likely defective. Replacing it restores proper burner control.
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GE Oven Surface Element Infinite Switch Replacement Guide
A failed GE burner control switch means the element won't heat, heats incorrectly, or stays on continuously. Replacing the infinite switch restores normal operation.
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GE Oven Surface Burner Element Replacement - Signs & How-To
Burner won't heat, heats unevenly, shows visible damage, or has burned terminals. Replacing the surface element and worn terminals fixes it.
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Frigidaire Oven Temperature Sensor (RTD Probe) Replacement
Erratic oven temps, undercooked food, or error codes mean your RTD sensor is bad. Replacing the oven temperature probe fixes inconsistent heating and restores accurate control.
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Samsung Oven Temperature Sensor (RTD Probe) Replacement
Oven won't heat right or shows temp errors? Failed RTD sensor is the usual cause. Replacing the oven temperature sensor fixes it.
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Frigidaire Oven Broil Element Replacement - Signs & How-To
No heat during broiling, visible breaks or blisters on the upper element, and burned terminals mean a failed broil element. Replacing it restores top-down heating.
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Frigidaire Gas Oven Igniter Replacement - Signs & How-To
Oven glows but won't light, takes forever to preheat, or won't heat at all. Replace the weak or failed oven igniter to restore normal ignition.
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GE Gas Oven Igniter Replacement - Signs & How-To
Weak or failed igniters glow dim orange but won't light the burner, or don't glow at all. Replacing the igniter restores reliable heating.
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Frigidaire Oven Bake Element Replacement - Signs & How-To
Oven won't heat or heats poorly on bake mode. Replacing a failed lower bake element restores normal oven heating after diagnosis confirms the element is open.
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Frigidaire Dishwasher Upper Rack Roller Replacement Guide
Broken upper rack wheels cause binding, dropping, or uneven glide. Replacing the roller or adjuster assembly restores smooth rack operation.
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KitchenAid Dishwasher Float Switch Replacement - Signs & How-To
Dishwasher won't fill, stops filling too soon, or triggers overfill protection. Replacing the float switch or overfill control restores safe, normal fill operation.
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Whirlpool Dishwasher Turbidity Sensor Replacement - Signs & How-To
Dishwasher runs too long, adds extra rinses, or shows a sensor fault. Replacing the turbidity (soil/wash) sensor restores normal cycle times.
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Whirlpool Dishwasher Float Switch Replacement - Signs & How-To
If your Whirlpool dishwasher won't fill, overfills, or shows an overfill error, a stuck or failed float switch is the common cause. Replacing the float switch assembly fixes the fault.
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LG Dishwasher Thermistor Replacement - Signs & How-To
TE error code, cycles won't finish, cold dishes, or no heat? A faulty thermistor (temperature sensor) causes these. Replacing it restores normal heating.
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Whirlpool Dishwasher Door Gasket Replacement - Signs & Steps
Leaks around the door, wet floor, poor wash results, and visible cracks in the seal mean your door gasket has failed. Replacing it stops leaks.
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Samsung Dishwasher Spray Arm Replacement - Signs & How-To
Dishes stay dirty, spray arms don't spin, or you hear rubbing noises during wash cycles. Replacing clogged or damaged upper/lower spray arms fixes it.
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KitchenAid Dishwasher Spray Arm Replacement - Signs & How-To
Dishes coming out dirty, arm won't spin, or visible cracks mean your spray arm or support is clogged or damaged. Replace the arm and feed components to restore coverage.
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Bosch Dishwasher Detergent Dispenser Wax Motor Replacement
Detergent stays in closed cup after cycle. Wax motor actuator fails and stops dispenser door from opening. Replace wax motor to restore release.
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Frigidaire Dishwasher Detergent Dispenser Replacement Guide
Detergent won't release, door stays shut, or wax motor tests faulty. Replace the dispenser assembly or wax motor to fix it.
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GE Dishwasher Control Panel/Touchpad Replacement - Signs & How-To
When buttons don't respond, the display stays dark, or the panel lights but won't start cycles, the user interface board has failed. Replacing it restores control.
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Whirlpool Dishwasher Control Panel/Touchpad/UI Board Replacement
Unresponsive buttons, stuck keys, blank display, or error codes mean a failed control panel or UI board. Replacing it restores operation.
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KitchenAid Dishwasher Door Latch/Lock Assembly Replacement
Won't start, lights flash, or door won't stay closed? Bad latch/lock assembly prevents the control from confirming door closure. Replacing it restores the cycle.
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Whirlpool Dishwasher Door Latch Replacement - Signs & How-To
Dishwasher won't start, stops mid-cycle, or shows door error? Worn latch or misaligned strike is common. Replacing the latch assembly fixes it.
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Bosch Dishwasher Door Latch Replacement - Signs & How-To
Door won't latch, unit won't start, or cycle stops mid-wash when the latch or lock assembly fails. Replacing it restores door interlock.
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Frigidaire Dishwasher Heating Element Replacement - Signs & How-To
Dishes stay wet, no heat, or cold rinse cycles mean your heating element has failed. Replacing the element restores hot water and drying.
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Bosch Dishwasher Water Inlet Valve Replacement - Signs & How-To
E18 fill errors, no water entering, or nonstop filling mean a bad inlet valve or clogged screen. Replacing the valve restores normal filling.
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Whirlpool Refrigerator Damper Control Assembly Replacement
Fresh-food section too warm or freezing food? Stuck or failed damper control assembly stops cold air flow. Replacing it restores normal cooling.
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Samsung Refrigerator Door Bin Replacement - Signs & How-To
Cracked, loose, or missing door bins won't hold items. Replacing the correct model-specific bin restores secure storage on your Samsung fridge door.
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Samsung Refrigerator Ice Maker Auger Motor Replacement Guide
When the auger motor fails, the ice dispenser stops pushing ice through the chute. Replacing the auger motor assembly restores ice delivery.
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GE Refrigerator Ice Auger Motor Replacement - Signs & How-To
When the ice auger motor fails, ice won't dispense even with a full bin, or the mechanism is loud and stalls. Replacing the motor restores dispensing.
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Whirlpool Dryer Thermal Cut-Off Fuse Kit Replacement
A blown thermal cut-off leaves your Whirlpool dryer running but not heating. Replacing the fuse kit and clearing the vent restores heat.
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Samsung Refrigerator Defrost Thermostat Replacement Guide
Frost buildup, warm fridge, and icing evaporator coils mean your defrost thermostat failed. Replacing the bi-metal thermostat restores proper defrost cycling.
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Maytag Dryer Door Switch Replacement - Signs & How-To
A faulty Maytag dryer door switch prevents the dryer from starting or stops it mid-cycle. Replacing the switch restores normal door-interlock operation.
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Maytag Washer Agitator Dogs Replacement - Signs & How-To
Upper agitator slips or spins freely instead of ratcheting during wash. Replacing worn agitator dogs and cam restores one-way drive action.
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Rinnai Water Heater Leaking - Causes & Fix
Most likely an internal heat exchanger or piping leak triggering the leak detector. Inspect cabinet pan and all internal components for water.
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Rinnai Water Heater Water Too Hot - Causes & Fix
Scale buildup in the heat exchanger blocks heat transfer and causes over-temperature faults. Flush the heat exchanger per Rinnai procedure.
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Rinnai Water Heater Not Enough Hot Water - Causes & Fix
Usually too much simultaneous demand for the unit's capacity, low gas supply, or a dirty inlet filter restricting flow and heating output.
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Navien Water Heater No Ignition - Causes & Fix
Low gas pressure or a closed shutoff valve is the most common cause. Open the valve fully and verify gas supply before checking venting.
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Navien Water Heater Leaking - Causes & Fix
Usually a loose fitting, leaking pressure relief valve, or clogged inlet filter causing flow issues. Isolate the leak source and check connections first.
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Navien Water Heater Not Enough Hot Water - Causes & Fix
Flow sensor debris or sticking is the most likely cause when a Navien shows no error codes but won't produce hot water. Check and clean the sensor first.
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Rheem Water Heater Leaking - Causes & Fix
Usually a faulty T&P relief valve or loose pipe connection. Inspect the valve, connections, and tank seams to find the source.
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Rheem Water Heater Water Too Hot - Causes & Fix
Usually a failed outlet temperature sensor or mineral scale buildup in a tankless unit (error code 16). Inspect the sensor and flush the heat exchanger.
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Fujitsu Mini Split Leaking Water - Causes & Fix
A clogged condensate drain line is the most common cause. Clear the drain with a shop vac and flush with water to restore flow.
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Fujitsu Mini Split Not Cooling - Causes & Fix
Dirty air filters blocking airflow are the most common cause. Clean or replace filters, then check for error codes on the indoor LED.
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LG Mini Split Ice on Coils - Causes & Fix
Ice on coils is usually a dirty filter blocking airflow. Clean or replace the indoor filter, then power off for 2 hours to defrost fully.
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LG Mini Split Blowing Warm Air - Causes & Fix
Usually wrong mode or dirty filter. Check remote is set to Cool, target temp is low enough, then clean indoor filter and coil.
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LG Mini Split Leaking Water - Causes & Fix
A clogged condensate drain line is the most common cause. Flush the drain hose with water and clear any algae or debris to restore flow.
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Daikin Mini Split Not Cooling - Causes & Fix
Usually caused by dirty indoor air filters or incorrect thermostat settings. Clean or replace the filter and verify cooling mode and setpoint.
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Daikin Mini Split Leaking Water - Causes & Fix
Most often caused by a clogged condensate drain line. Turn off the unit, check if water exits the outdoor drain hose, and vacuum or flush the line clear.
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Mitsubishi Mini Split Blowing Warm Air - Causes & Fix
Usually wrong mode or dirty filters. Check that the remote is set to Cool, clean the indoor filter, and verify the outdoor unit has power.
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Mitsubishi Mini Split Won't Turn On - Causes & Fix
Usually caused by a tripped breaker or dead remote batteries. Restore power, replace batteries, and use the CHECK button to read codes.
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Mitsubishi Mini Split Leaking Water - Causes & Fix
Water drips from your indoor unit when the condensate drain line is clogged. Vacuum the drain outlet and clean the air filter.
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Rheem Furnace Won't Turn On - Causes & Fix
Most often a dirty flame sensor or air filter causing the unit to lock out on ignition failure, flame loss, or limit trip.
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Lennox Furnace Short Cycling - Causes & Fix
Short cycling is usually caused by a dirty air filter restricting airflow. Replace the filter and check that all vents are open.
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Goodman Furnace Blower Won't Shut Off - Causes & Fix
Most often caused by thermostat set to FAN ON or a short between R and G wiring. Set thermostat to AUTO or repair the wire short.
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Goodman Furnace Blowing Cold Air - Causes & Fix
Usually a dirty flame sensor or clogged filter stopping ignition or tripping a safety. Check thermostat settings, replace filter, and clean flame sensor first.
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Carrier Furnace Blower Won't Shut Off - Causes & Fix
Usually the thermostat fan switch is set to ON instead of AUTO, or the thermostat is sending a constant 24V signal to the G terminal.
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Carrier Furnace Short Cycling - Causes & Fix
Most often a clogged filter or dirty flame sensor. Replace the filter, clean the sensor rod, and check the thermostat placement.
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Whirlpool Microwave Runs but No Heat - Causes & Fix
Usually a wrong setting (Control Lock, Demo Mode, or low power level) or a failed door switch, magnetron, or high-voltage diode.
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GE Microwave Runs But No Heat - Causes & Fix
Usually a failed magnetron or high-voltage diode. GE recommends service because the high-voltage capacitor stays charged even unplugged.
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GE Microwave Sparking - Causes & Fix
Most GE microwave sparking comes from metal objects left in the cavity or dirty, damaged waveguide covers. Remove metal, clean buildup, and inspect the cover.
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GE Microwave Won't Start - Causes & Fix
Usually a blown line fuse inside the unit. Turn off the breaker, open the cabinet, and test the fuse for continuity with a multimeter.
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Samsung Microwave Runs but No Heat - Causes & Fix
Demo mode is the most common cause. Press Options or My Settings, scroll to option 6, and set it to 2 to turn Demo mode off.
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Samsung Microwave Won't Start - Causes & Fix
Most Samsung microwaves that won't start are stuck in Demo mode. Disable it in Options/My Settings, option 6, set to 2.
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Samsung Microwave Sparking - Causes & Fix
Food residue or grease left in the cavity gets energized and arcs. Clean thoroughly with steam method, inspect for metal objects.
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KitchenAid Oven Self-Clean Not Working - Causes & Fix
Usually a failed thermal fuse or door lock problem. Check that the door closes fully and locks within 6 seconds of starting the cycle.
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Samsung Microwave Not Heating - Causes & Fix
Demo Mode is the most common cause. Turn it off via Option 6, set to 2, then press Start/Enter. If that's not it, check the door latch.
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KitchenAid Oven Igniter Not Working - Causes & Fix
A weak or failed igniter is the most common cause. Replace the igniter if it glows dimly, cracks, or won't spark the burner.
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KitchenAid Oven Temperature Not Accurate - Causes & Fix
Usually calibration drift or a faulty oven temperature sensor (RTD). Recalibrate through the control menu or test and replace the sensor.
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KitchenAid Oven Not Heating - Causes & Fix
Most often a tripped breaker or blown fuse cuts power. Reset the breaker for one minute, then check the bake element and sensor.
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Frigidaire Oven Self Clean Not Working - Causes & Fix
Usually a failed door lock motor or latch switch. Check door closure, test lock assembly with a multimeter, then replace the faulty lock or control board.
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Frigidaire Oven Door Won't Lock - Causes & Fix
Usually a stuck or worn door lock assembly. Reset power for 30 seconds, then test the lock command by holding OFF for 6 seconds.
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Frigidaire Oven Igniter Not Working - Causes & Fix
Most often a weak or failed hot surface igniter that no longer draws enough current to open the gas valve. Replace the igniter.
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Frigidaire Oven Temperature Not Accurate - Causes & Fix
Usually miscalibration or a drifting temperature sensor. Verify with an oven thermometer, then adjust the offset or replace the probe.
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GE Oven Door Won't Lock - Causes & Fix
A failed door lock motor or latch assembly is the most common cause. Reset the control first, then test the motor for voltage and continuity.
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GE Oven Won't Turn On - Causes & Fix
Most often a tripped breaker or lost power supply. Check your breaker panel first, then inspect wiring at the terminal block.
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Whirlpool Oven Self-Clean Not Working - Causes & Fix
Most often the door lock mechanism isn't engaging or Control Lock is active. Clear Control Lock, check the door latch, then power-reset.
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Whirlpool Oven Door Won't Lock - Causes & Fix
Usually the oven is still on or hot, which blocks the lock feature. Turn off the oven, wait to cool, then try the lock command again.
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Whirlpool Oven Broiler Not Working - Causes & Fix
Usually a failed broil element on electric models or a weak igniter on gas models. Check door closure and element continuity first.
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Whirlpool Oven Temperature Not Accurate - Causes & Fix
Usually needs calibration adjustment in the control (±30°F range). If that doesn't work, check heating element or sensor.
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LG Oven Door Won't Lock - Causes & Fix
A failed door lock motor assembly is usually why an LG oven door won't lock. Replace the motor assembly and check for obstructions.
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Samsung Oven Door Won't Lock - Causes & Fix
Usually the latch is stuck in the locked position or the door isn't fully seated. Power-cycle the range, press the door plunger, and hold Child Lock for 3 seconds to reset.
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Samsung Oven Temperature Not Accurate - Causes & Fix
Samsung ovens drift out of calibration over time. Adjust the thermostat up to ±35°F through the control menu to correct it.
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Frigidaire Dishwasher Won't Start - Causes & Fix
Usually Delay Start countdown is active or Control Lock is on. Check the display for 01–24 or LOC, then cancel or unlock.
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Frigidaire Dishwasher Not Cleaning Dishes - Causes & Fix
A clogged filter or sump is the most common cause. Clean the filter system, glass trap, and sump area to restore circulation.
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Frigidaire Dishwasher Not Draining - Causes & Fix
A Frigidaire dishwasher that won't drain usually has a clogged filter, blocked drain hose, or forgotten disposer knockout plug blocking the path.
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GE Dishwasher Smells Bad - Causes & Fix
Usually caused by food debris and grease buildup in the filter or drain area. Clean the filter, sump, and spray arms thoroughly.
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KitchenAid Dishwasher Stuck Mid Cycle - Causes & Fix
Most often caused by a door latch not closing properly or power interruption. Reset by unplugging for 30 seconds, then check door and latches.
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Whirlpool Dishwasher Smells Bad - Causes & Fix
A dirty or clogged filter is the most common cause. Remove and wash the filter in warm soapy water, then run a vinegar cleaning cycle.
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Whirlpool Dishwasher Stuck Mid-Cycle - Causes & Fix
A dishwasher stopping mid-cycle is usually a door-latch fault, power interruption, or control-lock setting. Reset power for 30 seconds and check the latch.
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LG Dishwasher Not Cleaning Dishes - Causes & Fix
Most often caused by a clogged filter restricting water flow. Remove and clean the filter under running water, then reinstall.
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Samsung Dishwasher Not Cleaning Dishes - Causes & Fix
A clogged filter recirculating food particles is the most common cause. Remove and clean the filter assembly under warm water to restore cleaning performance.
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Bosch Dishwasher Smells Bad - Causes & Fix
Usually trapped food debris in the filter. Clean the filter assembly, check spray arms for clogs, and run a hot cleaner cycle.
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Bosch Dishwasher Leaking - Causes & Fix
Most often a faulty inlet valve leaking into the base pan. Check the inlet valve, door seal, and sump area for moisture and replace the leaking component.
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Bosch Dishwasher Not Drying - Causes & Fix
Usually low or empty rinse aid. Refill the rinse aid dispenser and select a longer, higher-heat cycle for better drying performance.
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Bosch Dishwasher Not Cleaning Dishes - Causes & Fix
Usually caused by undissolved detergent tablets or blocked spray arms. Clean the spray arm nozzles and filter, then verify proper loading.
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Kenmore Refrigerator Not Making Ice - Causes & Fix
Most often caused by a frozen fill tube or lack of water supply. Check water shutoff valve, filter, and freezer temperature first.
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Kenmore Refrigerator Running Constantly - Causes & Fix
Most often caused by a frosted-over evaporator from defrost system failure. Inspect for ice buildup and test the defrost heater and thermostat.
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Kenmore Refrigerator Water Dispenser Not Working - Causes & Fix
Most often caused by a clogged water filter or frozen water line. Replace the filter first, then check for ice blockage in the door tube.
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Kenmore Refrigerator Leaking Water - Causes & Fix
Usually a clogged or frozen defrost drain causing overflow. Flush the drain with hot water and clear ice blockage to stop the leak.
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Kenmore Refrigerator Too Warm - Causes & Fix
A Kenmore refrigerator running too warm usually means frost has blocked the evaporator or the evaporator fan has failed, cutting airflow.
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Kenmore Freezer Not Freezing - Causes & Fix
Usually caused by a failed evaporator fan or frost buildup blocking airflow. Check fan operation and manually defrost the coils.
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KitchenAid Refrigerator Not Making Ice - Causes & Fix
Usually caused by the ice maker being switched off or the water supply shut off. Turn on the maker, check the arm is down, and verify the supply line is open.
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KitchenAid Refrigerator Water Dispenser Not Working - Fix
Most often a clogged or improperly installed water filter blocks flow. Remove and flush the filter or replace it and purge 1–4 gallons.
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KitchenAid Freezer Not Freezing - Causes & Fix
Dirty condenser coils are the most common cause. Clean the coils at the back or bottom of the unit to restore heat rejection and cooling.
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Frigidaire Refrigerator Ice Maker Not Working - Causes & Fix
Most often the ice maker switch is off, the freezer is too warm, or the water filter is clogged. Check the switch, verify 0°F freezer temp, and replace the filter.
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LG Dryer Shuts Off Early - Causes & Fix
Dirty moisture sensors or a small load usually cause early shutdown. Wipe the sensor bars under the lint filter with a damp cloth.
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Frigidaire Washer Shaking and Loud - Causes & Fix
Usually caused by an off-balance load or poor leveling. Redistribute laundry, level the washer on all four legs, and check floor support.
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Rheem XE40T06ST45U1 Water Heater Problems & Error Codes
Most common: red 4-blink code from tripped ECO or loose element wiring. Reset the high-limit switch and check element terminals for damage.
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Rinnai V65iN Problems & Error Codes
Most V65iN units throw ignition codes (11, 12) from gas supply issues or dirty flame sensors. Check gas pressure and clean the flame rod first.
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Rheem XE50T10HS45U1 Problems & Error Codes
Wet rope sensor triggers false leak alarms on this 50-gallon ProTerra heat pump. Disconnect sensor from board, dry it, replace if needed.
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Rinnai RUR199iN Problems & Error Codes
Code 11 ignition failure is most common, usually caused by closed gas valve, air in line, or low manifold pressure. Open gas supply first.
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Navien NPE-180S2 Problems & Error Codes
Ignition failure (E003) is the most common problem, usually caused by gas supply issues, dirty flame rod, or blocked venting.
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Rinnai RU199iN Water Heater Problems & Error Codes
Code 12 flame failure is the most common fault. Usually caused by gas supply issues, blocked venting, or a dirty flame rod that needs cleaning or replacement.
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LG LAN120HSV5 Ductless Mini Split Problems & Error Codes
CH21 error code is the most common failure, caused by compressor overcurrent or inverter board faults requiring outdoor unit service.
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Mitsubishi MSZ-FH12NA Problems & Error Codes
Indoor fan motor errors are most common on the MSZ-FH12NA, caused by obstructions, miswiring, or a failed motor requiring inspection and replacement.
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MRCOOL DIY-12-HP-WMAH-230C25 Problems & Error Codes
E1/EL01 communication error is most common, usually from loose terminal wiring or reversed polarity at the indoor or outdoor unit.
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Rheem R96V Furnace Problems & Error Codes
Most R96V failures trace to pressure switch faults (codes 45/46/57) from blocked venting or plugged condensate traps, not failed boards.
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Trane XR80 Furnace Problems & Error Codes
Blocked vents and dirty filters trigger pressure switch faults on the XR80. Check airflow and vent pipes first before calling a tech.
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Goodman GMSS96 Furnace Problems & Error Codes
Pressure switch fault (3 flashes) is most common on GMSS96, usually from blocked vent, kinked pressure hose, or weak inducer motor.
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LG MVEL2125F Microwave Problems & Error Codes
Control lock (LOC) is the most common display issue on the MVEL2125F. Hold STOP/CLEAR until LOC clears to unlock the control panel.
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Whirlpool WMC30516HZ Microwave Problems & Error Codes
Door-error messages are most common, usually from a failing latch or misalignment. Reset power first, then inspect the door system.
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LG MVEL2033F Microwave Problems & Error Codes
Door latch and interlock switch failures cause most DOOR errors. Clean latch area, check alignment, and replace the switch assembly if needed.
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GE JVM6175SKSS Microwave Problems & Error Codes
F1 open thermal sensor error is most common, usually from a failed cavity sensor or loose wiring. Replace the sensor or repair the harness.
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Panasonic NN-SN686S Microwave Problems & Error Codes
H98 and H97 error codes are the most common faults, usually caused by a failed inverter board or magnetron in the microwave power system.
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LG LMV2031ST Microwave Problems & Error Codes
F2 temperature errors from failed thermistor circuits are the most common fault on the LMV2031ST. Power reset, then replace the thermistor.
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GE JVM3160RFSS Microwave Problems & Error Codes
Most JVM3160RFSS units throw F-codes from failed sensors or touch panel shorts. Reset the control first, then replace the bad part.
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KitchenAid KFGG500ESS Problems & Error Codes
F9E0 error is the most frequent fault on this model, typically caused by miswired electrical connections or unstable supply voltage.
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Frigidaire GCRE3060AF Oven Problems & Error Codes
F10 thermal runaway is most common, usually caused by a failed oven temperature probe or stuck relay on the relay board.
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GE JB735SPSS Problems & Error Codes
F3 sensor faults are most common on the JB735SPSS. Replace the oven temperature sensor if resistance is out of spec (typically 1080–1100 Ω at room temp).
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KitchenAid KFEG500ESS Oven Problems & Error Codes
F9 E0 error from miswired supply or voltage issues is most common. Verify power and electrical connections first, then reset breaker.
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Whirlpool WFE515S0JS Oven Problems & Error Codes
F3/F6 temperature sensor faults are the most common error on this model. Replace the oven RTD sensor (around 1080 ohms at room temp).
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Samsung NE63A6511SS Oven Problems & Error Codes
C-20 sensor code is most common on this model. Reset power, then check oven temperature sensor resistance and replace if out of spec.
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Whirlpool WDT730PAHZ Dishwasher Problems & Error Codes
H2O error and no-fill issues are most common, usually caused by a failed water inlet valve or restricted supply line-replace the valve first.
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KitchenAid KRMF706ESS Refrigerator Problems & Error Codes
Ice maker errors (E1-E5) are the most common fault on the KRMF706ESS, usually fixed by replacing the ice maker module or checking water supply.
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Frigidaire FFSS2615TS Problems & Error Codes
Temperature sensor failure causes OP and SH error codes. Replace the failed thermistor for the affected compartment after testing with a multimeter.
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Samsung RF28HFEDBSR Refrigerator Problems & Error Codes
Most common: fan error codes 21E and 22E from iced-over evaporator fans or door seal issues. Fix by defrosting and checking door gaskets.
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Whirlpool WED5000DW Dryer Problems & Error Codes
AF or F4E3 error is the most common fault, caused by clogged lint screen or blocked exhaust vent. Clean lint trap and inspect full vent run.
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LG DLEX4000W Dryer Problems & Error Codes
The most common problem is d80/d90 exhaust restriction codes caused by crushed or lint-blocked venting. Clean the full duct run and check the termination cap first.
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Maytag MED4500MW Dryer Problems & Error Codes
AF or F4 E3 airflow error is most common on the MED4500MW. Clean the lint screen and inspect the entire vent path for blockages or kinks.
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Whirlpool WED4815EW Dryer Problems & Error Codes
AF or F4E3 airflow code is most common-usually a clogged lint screen, blocked vent, or kinked duct cutting off exhaust and tripping the fault.
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Maytag MVW6230HW Washer Problems & Error Codes
F9 E1 drain errors are most common on the MVW6230HW, usually caused by a kinked drain hose, clogged pump, or improper drain installation.
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Whirlpool WTW4816FW Washer Problems & Error Codes
Most WTW4816FW washers fail to fill or drain due to clogged inlet screens, kinked hoses, or reversed hot/cold connections-check water supply first.
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Samsung WA50R5200AW Washer Problems & Error Codes
NF/No Fill errors are most common on this top-loader, usually from clogged inlet screens or low water pressure. Clean the mesh filters first.
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Samsung WF45T6000AW Washer Problems & Error Codes
Excess suds (SUD code) from too much detergent is the most common issue. Clean the drain pump filter and switch to HE detergent only.
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Whirlpool Refrigerator Ice Dispenser Auger Motor Replacement
Ice won't dispense when you press the paddle, but the ice maker still produces ice. Replacing the failed auger motor restores dispensing.
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Frigidaire Refrigerator Dispenser Actuator/Switch Replacement
Broken paddle, stuck lever, or no water/ice response when pressing the dispenser. Replacing the actuator or switch assembly restores operation.
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Whirlpool Refrigerator Dispenser Actuator/Switch Replacement
No ice or water dispensing, cracked paddle, or unresponsive lever mean a failed dispenser actuator or switch. Replacing the actuator pad or switch restores dispenser function.
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GE Refrigerator Dispenser Actuator Replacement - Signs & How-To
Stuck, unresponsive, or broken water/ice lever at the door dispenser. Replacing the actuator paddle and spring fixes press-to-dispense failures.
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GE Refrigerator Defrost Timer/Control Board Replacement
Frost buildup on evaporator, warm fridge, uneven cooling, or ice in freezer mean your defrost system isn't cycling. Replacing the timer or board fixes it.
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Frigidaire Refrigerator Condenser Fan Motor Replacement Guide
Warm cabinet, compressor overheating, or no airflow at the back mean a failed condenser fan motor. Replacing the motor restores cooling.
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LG Refrigerator Door Gasket Replacement - Signs & How-To
Torn, detached, or deformed door gaskets let warm air in and cool air out. Replacing the door seal restores the airtight cabinet seal.
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Frigidaire Refrigerator Door Gasket Replacement - Signs & How-To
Cracked, warped, or loose door gaskets cause warm temps, condensation, and frost. Replacing the seal restores proper closure and temperature.
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Frigidaire Refrigerator Main Control Board Replacement
Dead display, no cooling, or erratic defrost? The main control board manages cooling, defrost, and temperature. Replace it to restore normal operation.
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GE Refrigerator Main Control Board Replacement - Signs & How-To
Dead display, erratic temperatures, compressor won't cycle, or all lights blinking? Replacing the main PCB restores temperature control and normal operation.
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Samsung Refrigerator Main Control Board Replacement - Signs & How-To
Board failures cause erratic operation, no cooling, or dead displays. Replacing the main control board restores the refrigerator's functions.
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Samsung Refrigerator Thermistor Replacement - Signs & How-To
Wrong temps, cooling constantly, or error codes? A failed thermistor sends bad readings to the control. Replacing it restores correct temperature feedback.
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LG Refrigerator Thermistor Replacement - Signs & How-To
Warm freezer, error codes, or constant cooling? Bad thermistor. Replace it to restore accurate temperature control and normal cooling cycles.
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Whirlpool Refrigerator Compressor Start Relay & Overload Replacement
Compressor hums, clicks, or won't start when the start relay or overload protector fails. Replacing the relay/overload assembly restores startup.
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Frigidaire Refrigerator Evaporator Fan Motor Replacement Guide
Weak cooling, frost buildup, loud grinding, or no fan noise? Replacing the evaporator fan motor restores cold air circulation and fixes uneven temps.
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Whirlpool Refrigerator Evaporator Fan Motor Replacement Guide
Weak cooling, fan noise, or no fan when door opens means a failed evaporator motor. Replace it to restore airflow across the coil and cold air circulation.
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Kenmore Refrigerator Defrost Thermostat Replacement Guide
Frost buildup, warm temps, and constant running mean your defrost thermostat failed. Replacing this bi-metal switch restores proper defrost cycles.
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Frigidaire Refrigerator Defrost Thermostat Replacement Guide
Ice buildup on evaporator, poor cooling, and freezer frost point to a failed defrost thermostat. Replacing the bi-metal switch restores defrost cycles.
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Whirlpool Refrigerator Defrost Thermostat Replacement Guide
Frost buildup on the evaporator, freezer not cooling, or long freeze cycles mean your defrost thermostat may have failed. Replacing it restores proper defrost timing.
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Samsung Refrigerator Defrost Heater Assembly Replacement Guide
Ice buildup on evaporator, poor cooling, and warm freezer signal a failed defrost heater. Replacing the heater assembly restores proper defrost cycles.
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Whirlpool Refrigerator Defrost Heater Assembly Replacement
Ice buildup on evaporator, poor cooling, and warm freezer mean a failed defrost heater. Replacing the heater assembly restores normal defrost and airflow.
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Kenmore Refrigerator Ice Maker Assembly Replacement Guide
No ice cubes, stuck harvest cycle, or continuous water fill signal a failed ice maker assembly. Replacing the unit restores ice production.
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GE Refrigerator Ice Maker Assembly Replacement - Signs & How-To
No ice, stalled cycles, loud grinding, or leaking mean your ice maker assembly has failed. Replacing the complete kit restores ice production.
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Samsung Refrigerator Ice Maker Assembly Replacement Guide
Ice maker not producing ice, jamming, or making noise? Replacing the ice maker assembly fixes failed motors, cracked trays, and jammed molds.
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Frigidaire Refrigerator Water Inlet Valve Replacement Guide
No water dispensing, slow ice production, leaks behind the fridge, or water pooling under the unit mean a failed inlet valve. Replacing it restores flow.
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Samsung Refrigerator Water Inlet Valve Replacement - Signs & How-To
No ice or water from your Samsung fridge? A failed water inlet valve usually causes slow fill, no fill, or leaks. Replace the valve to restore flow.
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GE Dryer Felt Drum Seal Replacement - Signs & How-To
Rubbing noise, scraping during tumble, poor drum support, or air leaks mean your GE dryer's felt seal is worn. Replacing it restores quiet operation.
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Whirlpool Dryer Felt Drum Seal Replacement - Signs & How-To
Worn felt drum seal causes lint buildup, rubbing noise, and longer dry times. Replacing the seal restores the drum-to-bulkhead airflow path.
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GE Dryer Blower Wheel Replacement - Signs & How-To
Cracked or stripped GE dryer blower wheel causes poor airflow, overheating, and loud rubbing noise. Replacing the wheel restores normal drying.
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Maytag Dryer Blower Wheel Replacement - Signs & How-To
Weak airflow, loud rattling, overheating, or scraping noise from your Maytag dryer mean a cracked or loose blower wheel. Replacing it restores exhaust.
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Whirlpool Dryer Blower Wheel Replacement - Signs & How-To
Weak airflow, long dry times, squealing noise, or overheating mean a cracked or jammed blower wheel. Replacing it restores proper venting.
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Samsung Dryer Drum Bearing / Rear Drum Roller Replacement
Squealing, grinding, or drum won't spin smoothly? Worn rear drum rollers or bearings cause noise and poor rotation. Replacing them restores quiet operation.
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GE Dryer Rear Drum Bearing Kit Replacement - Signs & How-To
Squealing, rumbling, or drum drag? A worn rear bearing or support shaft causes these symptoms. Replacing the rear drum bearing kit restores smooth, quiet drum rotation.
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Kenmore Dryer Rear Drum Bearing Replacement - Signs & How-To
Squealing, rumbling, or scraping noise from the back of the drum during rotation means the rear drum bearing is worn. Replacing the bearing kit fixes the noise and restores smooth tumbling.
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Whirlpool Dryer Drum Glides/Slides Replacement - Signs & How-To
Squealing, scraping, or binding drum? Worn drum glides let the drum drag on the bulkhead. Replacing the glides and felt pad restores smooth rotation.
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Kenmore Dryer Drum Glides/Slides Replacement - Signs & How-To
Scraping, squealing, or rumbling from your Kenmore dryer means worn drum glides. Replacing the front drum glides and felt seal restores smooth rotation.
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LG Dryer Main Control Board Replacement - Signs & How-To
Control board drives heating, motor, and display functions. Replacing it fixes persistent electrical faults after breaker and power checks pass.
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Samsung Dryer Main Control Board Replacement - Signs & How-To
No heat, won't start, or erratic cycling? A failed main control board stops Samsung dryers dead. Replacing it restores normal operation.
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Maytag Dryer Thermal Cut-Off Fuse Kit Replacement
Dryer runs but won't heat, or burner won't ignite? A blown thermal cut-off fuse is the likely cause. Replace the fuse kit and clear airflow blockages to restore heat.
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Whirlpool Dryer Flame Sensor Replacement - Signs & How-To
A failed flame sensor stops your Whirlpool gas dryer from heating. Replace the radiant flame sensor (WP338906) to restore burner ignition.
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Maytag Dryer Gas Valve Coils Replacement - Signs & How-To
Igniter glows but no flame appears, or dryer heats only at startup then quits. Replacing the gas valve solenoid coil kit restores burner ignition.
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Kenmore Gas Dryer Igniter Replacement - Signs & How-To
No heat or burner won't light? A failed igniter usually won't glow or can't ignite gas. Replacing the igniter restores burner ignition and heat.
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Whirlpool Dryer Moisture Sensor & Thermistor Replacement Guide
Dryer won't dry, cycles too long, or shuts off early? Failed moisture sensors or thermistors cause auto-dry and heat faults. Replace them to restore normal drying.
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Samsung Dryer Door Switch Replacement - Signs & How-To
Dryer won't start with door closed or drum light stays on. Replacing the door jamb switch restores the closed-door signal to the control board.
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LG Dryer Idler Pulley Replacement - Signs & How-To
Worn idler pulley causes squealing, drum won't spin, or belt slipping. Replacing the pulley and belt restores proper drum rotation and tension.
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Samsung Dryer Idler Pulley Replacement - Signs & How-To
Squealing, grinding, or a drum that won't turn usually means a failed idler pulley. Replacing the pulley assembly restores belt tension and rotation.
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Samsung Dryer Thermal Fuse Replacement - Signs & How-To
Dryer won't start or won't heat after a thermal fuse blows from overheating. Replacing the fuse and clearing the vent restriction fixes it.
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LG Washer Drain Hose Replacement - Signs & How-To
Standing water in the tub, leaks near the back of the machine, and slow or no drain usually mean a kinked, clogged, or damaged hose. Replacing it restores normal drainage.
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Maytag Washer Shift Actuator Replacement - Signs & How-To
Washer won't spin, won't agitate, or throws F7E5 error? Failed shift actuator can't move drive between modes. Replace the actuator to fix it.
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Frigidaire Washer Water-Level Pressure Switch Replacement
Overfilling, underfilling, or mid-cycle stopping? A faulty water-level pressure switch fails to signal correct tub levels. Replacing it restores normal fill control.
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GE Washer Water-Level Pressure Switch Replacement - Signs & Steps
Washer won't fill, overfills, or won't advance cycles when its pressure switch can't sense water level. Replacing the switch fixes it.
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Whirlpool Washer Water-Level Pressure Switch Replacement
Washer overfills, underfills, won't stop filling, or drains continuously. Replacing the faulty pressure switch or sensor restores correct fill control.
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Maytag Washer Clutch / Splutch Assembly Replacement Guide
Weak or no spin, noisy agitation, and washplate motion problems point to a worn splutch. Replacing the drive clutch kit restores spin and wash action.
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Kenmore Washer Agitator Dogs Replacement - Signs & How-To
Top agitator slips or spins freely while the bottom moves. Worn agitator dogs cause weak wash action. Replacing the agitator repair kit restores one-way ratcheting and proper clothes turnover.
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Whirlpool Washer Shock Absorber / Suspension Rod Kit Replacement
Worn suspension rods cause tub bounce, loud banging, and off-balance shaking. Replacing the rod kit with matching balls and bushings stops the vibration and recenters the tub.
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Samsung Washer Suspension Rod Replacement - Signs & How-To
Banging, excessive vibration, tub sag, or no spin? Worn suspension rods let the tub move freely. Replacing the rod kit stops the noise and restores spin.
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Kenmore Washer Lid Switch Replacement - Signs & How-To
Kenmore lid switch failure stops spin and drain when the washer thinks the lid is open. Replace the switch to restore normal wash cycles.
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Samsung Washer Water Inlet Valve Replacement - Signs & How-To
No fill, slow fill, leaking, or won't stop filling? Replace the water inlet valve-the solenoid-controlled assembly that opens to let water into your Samsung washer.
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Whirlpool Washer Door Lock/Latch Assembly Replacement
Washer won't start, shows lock error, or door won't latch. Replacing the failed door lock/latch assembly restores the safety interlock.
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LG Washer Door Lock Assembly Replacement - Signs & How-To
Won't start, shows door open, or won't unlock? A bad door lock assembly or broken strike causes these faults. Replacing the lock fixes it.
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LG Washer Drain Pump Replacement - Signs & How-To
OE error code, water won't drain, pump hums but won't spin, or standing water after cycle. Replacing a clogged or failed drain pump fixes it.
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Frigidaire Refrigerator Too Warm - Causes & Fix
A warm Frigidaire fridge is usually caused by a door left open, a bad gasket seal, or dirty condenser coils blocking heat rejection.
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Frigidaire Freezer Not Freezing - Causes & Fix
Dirty condenser coils are the most common cause. Pull the unit, vacuum the coils, and verify the condenser fan runs to restore cooling.
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Frigidaire Refrigerator Not Cooling - Causes & Fix
A door left open or not sealing properly is the most common cause. Check door gaskets, clear blocked vents, and verify power and settings.
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GE Refrigerator Not Making Ice - Causes & Fix
Usually caused by a freezer above 16°F or a clogged water filter. Check temperature settings and replace the filter first.
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GE Refrigerator Ice Maker Not Working - Causes & Fix
Freezer too warm or clogged water filter. Check freezer is at 0°F and replace filter every 6 months to restore ice production.
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Whirlpool Refrigerator Ice Maker Not Working - Causes & Fix
Most often the ice maker is turned off or the water filter isn't sealing. Check the ice maker switch, reset the unit, and reseat the filter.
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Whirlpool Refrigerator Too Warm - Causes & Fix
A too-warm alarm usually means a door was left open, power was lost, or the refrigerator thermistor has failed. Check doors and power first.
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Whirlpool Freezer Not Freezing - Causes & Fix
Blocked airflow from packed food or dirty condenser coils is the most common cause. Clear vents and clean coils first.
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LG Refrigerator Not Making Ice - Causes & Fix
Usually the ice maker is switched off or the freezer isn't cold enough. Turn it on, check freezer temp is below 0°F, and test the maker.
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LG Refrigerator Ice Maker Not Working - Causes & Fix
Ice maker is usually switched off at the control panel or water supply is blocked. Turn on the ice maker and check the shutoff valve.
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Samsung Refrigerator Running Constantly - Causes & Fix
Usually caused by frost blocking the evaporator fan or a failed defrost thermostat. Check for ice buildup in the freezer and test the defrost system.
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Samsung Refrigerator Water Dispenser Not Working - Causes & Fix
Control Lock is usually on or the water filter is clogged. Unlock the panel, replace the filter, and purge air for up to 5 minutes.
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Samsung Refrigerator Not Cooling - Causes & Fix
Most often caused by Cooling Off Mode being active or blocked vents. Check mode settings, clear obstructions, and power cycle the unit.
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Kenmore Dryer Shuts Off Early - Causes & Fix
Blocked vent or lint buildup causes overheating and early shutoff. Clean the lint trap, inspect the entire exhaust path, and test the high-limit thermostat.
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Kenmore Dryer Won't Tumble - Causes & Fix
A Kenmore dryer that won't tumble usually has a broken drive belt. Check the belt for breakage or slack and replace if damaged.
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GE Dryer Squeaking - Causes & Fix
Squeaking is usually caused by worn drum rollers or a worn idler pulley. Unplug the dryer, locate the noise, and inspect rollers and pulleys.
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Maytag Dryer Squeaking - Causes & Fix
Squeaking usually comes from loose dryer legs, a worn idler pulley, or worn drum support rollers. Level the dryer and inspect wear parts.
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Maytag Dryer Won't Tumble - Causes & Fix
Most often a broken drive belt or unlatched door. Check the door latch first, then open the cabinet and inspect the belt around the drum.
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Maytag Dryer Takes Too Long to Dry - Causes & Fix
Usually caused by a clogged lint screen or blocked vent hose. Clean the screen, check the vent hose is rigid and unkinked, and verify the outdoor vent hood opens freely.
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Whirlpool Dryer No Power - Causes & Fix
Most often caused by a tripped breaker or blown fuse at the home panel. Reset both breakers or replace both fuses and check for 240 volts at the outlet.
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Whirlpool Dryer Squeaking - Causes & Fix
Squeaking usually comes from a worn idler pulley or lint buildup on belts and pulleys. Check leveling, clean lint, and inspect pulleys.
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Whirlpool Dryer Stops Mid Cycle - Causes & Fix
Usually restricted airflow from lint buildup or blocked venting causes overheating and safety shutdown. Clean the lint screen, vent hose, and exterior vent to restore full airflow.
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Whirlpool Dryer Won't Tumble - Causes & Fix
Usually caused by a broken drive belt or a door that isn't fully latched. Check power, door latch, and belt first.
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Whirlpool Dryer Takes Too Long to Dry - Causes & Fix
Usually caused by a restricted airflow path. Clean the lint screen, check for kinked or crushed vent hose, and inspect the outdoor exhaust vent.
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LG Dryer Squeaking - Causes & Fix
A squeaking LG dryer usually has worn drum support rollers or a loose drum support shaft. Replace the worn rollers and inspect the shaft.
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LG Dryer Stops Mid Cycle - Causes & Fix
Usually dirty moisture sensors or a too-small load. Clean the sensor bars below the lint filter with a damp rag and retest.
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LG Dryer Won't Start - Causes & Fix
Usually caused by a tripped breaker or faulty outlet. Check power at the outlet first, then verify the door is fully closed.
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Samsung Dryer Shuts Off Early - Causes & Fix
Usually caused by a clogged lint screen or vent restricting airflow. Clean the entire exhaust path from the lint trap to the outside hood.
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Samsung Dryer Squeaking - Causes & Fix
Samsung dryer squeaking usually means the load is too heavy. Stop the cycle, remove some items, and restart to stop the noise.
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Samsung Dryer No Power - Causes & Fix
A tripped breaker or loose power cord connection is the most common cause. Check the breaker, plug, and outlet first before opening the dryer.
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Samsung Dryer Takes Too Long to Dry - Causes & Fix
A Samsung dryer taking too long to dry is usually caused by a blocked exhaust vent or clogged lint filter restricting airflow.
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Samsung Dryer Won't Start - Causes & Fix
Most often caused by Child Lock being on or the door switch failing. Check for error codes, turn off Child Lock, and test the door switch.
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Kenmore Washer Door Won't Unlock - Causes & Fix
Most often the machine has not finished draining or the door lock assembly has failed. Check drain completion first, then test or replace the lock.
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Kenmore Washer Won't Fill with Water - Causes & Fix
Usually clogged inlet screens or a failed water inlet valve. Clean the screens first, then test and replace the valve if needed.
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Kenmore Washer Leaking Water - Causes & Fix
A cracked or worn drain pump is the most common leak source. Inspect the pump, tub-to-pump hose, and door boot seal, then replace the failed part.
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Kenmore Washer Won't Drain - Causes & Fix
Usually a clogged pump filter or kinked drain hose. Clean the coin trap, check the hose for blockages, and test the drain pump for obstructions.
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Frigidaire Washer Won't Fill With Water - Causes & Fix
Usually caused by closed supply faucets or kinked inlet hoses. Check that both hot and cold faucets are fully open and hoses are straight.
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Frigidaire Washer Won't Turn On - Causes & Fix
Usually caused by no power at the outlet or a failed door latch. Check the breaker, outlet, and door lock first before replacing parts.
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Frigidaire Washer Stops Mid Cycle - Causes & Fix
Usually a lid or door lock feedback problem. Check the latch for positive closure and test the lock assembly for continuity.
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Frigidaire Washer Leaking Water - Causes & Fix
Most leaks come from loose or damaged inlet hoses and O-rings. Turn off water, inspect connections, replace worn gaskets, and check drain routing.
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GE Washer Won't Turn On - Causes & Fix
Usually no incoming power or control lock engaged. Check the breaker, outlet, and cord, then disable control lock and reset the machine.
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GE Washer Won't Fill with Water - Causes & Fix
Usually a closed supply valve, kinked hose, clogged inlet screen, or failed water inlet valve. Check supply path first, then test the valve.
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GE Washer Won't Drain - Causes & Fix
Most often a clogged pump filter or failed drain pump. Clean the filter first, then test the pump in service mode and replace if needed.
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Maytag Washer Won't Spin - Causes & Fix
Most often caused by an unbalanced load or a faulty lid latch. Redistribute the laundry, make sure the lid closes fully, and retry the spin cycle.
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Whirlpool Washer Won't Fill with Water - Causes & Fix
Usually a closed supply valve, kinked hose, or clogged inlet screen. Check water supply first, then clean screens and test the valve.
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LG Washer Door Won't Unlock - Causes & Fix
Usually caused by water still in the tub or a hot drum. Drain the washer, wait for cooling, then power-cycle and try the door again.
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LG Washer Won't Fill with Water - Causes & Fix
Usually caused by closed water taps or clogged inlet screens. Check that both supply valves are open and clean the filters at the hose connections.
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LG Washer Won't Drain - Causes & Fix
A clogged drain pump filter or coin trap is the most common cause. Unplug the washer, drain residual water, remove and clean the filter, then test a spin cycle.
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Samsung Washer Shaking and Loud - Causes & Fix
Usually caused by shipping bolts still installed or washer not level. Check for rigid drum movement and verify all feet contact floor.
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Samsung Washer Stops Mid Cycle - Causes & Fix
Most often caused by a clogged drain filter or kinked drain hose. Clean the filter and check the hose routing to restore operation.
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Samsung Washer Leaking Water - Causes & Fix
Loose or damaged inlet hoses at the back connections are the most common cause. Shut off water, tighten fittings, and replace cracked hoses.
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Samsung Washer Won't Spin - Causes & Fix
Usually an unbalanced load or drain restriction. Redistribute clothes, clean the filter, check the door lock, and inspect the drain hose.
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Siemens Micromaster F0004 - Causes & Fix
F0004 means inverter overtemperature shutdown. Most often caused by blocked airflow or a failed cooling fan. Check ventilation first.
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Siemens Micromaster F0003 - Causes & Fix
F0003 means undervoltage: the DC link voltage dropped below the safe limit. Most often fixed by checking incoming power supply.
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Siemens G120 F0015 Fault - Causes & Fix
F0015 means motor temperature signal lost or open-circuit. Check motor thermistor wiring and sensor connections at motor and drive.
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Siemens G120 A03520 Fault - Causes & Fix
A03520 is a temperature sensor fault in the G120 Control Unit. Most often caused by poor airflow or a failed CU sensor circuit.
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State Water Heater E169 Error Code - Causes & Fix
E169 is not a confirmed State Water Heaters code. Check your model label and control type, then match to the correct fault table.
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State Water Heater E152 Error Code - Causes & Fix
E152 is not a standard State code. Check your model's manual via the rating plate QR code for the correct troubleshooting table.
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State Water Heater E123 Error Code - Causes & Fix
E123 is not a verified State water heater code. Find your model number on the rating plate and check the manual for the correct fault list.
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State Water Heater E81 Error Code - Causes & Fix
E81 on State tankless water heaters means ignition failure. Most common fix: clean blocked air intake screens and verify gas supply.
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State Water Heater E76 Error Code - Causes & Fix
E76 means internal communication failure between control components. Most often fixed by checking wiring connections or replacing the board.
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State Water Heater E49 Error Code - Causes & Fix
E49 is a model-specific fault code on State water heaters. Find your exact model number and check the manual for the component list.
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State Water Heater E23 Error Code - Causes & Fix
E23 on a State water heater is not documented in standard manuals. Check your model number and inspect for ignition or airflow issues.
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Whirlpool Water Heater E07 Error - Causes & Fix
E07 means lower thermistor sensor failure. Check wiring at the electronic thermostat first, then replace the lower sensor if connections are good.
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GE Water Heater F81 Error Code - Causes & Fix
F81 on a GE GeoSpring water heater means the leak sensor battery is low. Replace the battery to clear the fault and restore normal operation.
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Rheem A01 Error Code - Causes & Fix
A01 means maximum ignition attempts: the burner failed to light and prove flame. Check gas supply and flame sensor first.
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State Tankless E65 Error - Causes & Fix
E65 is not a verified State tankless code. Check your model's actual fault list, then inspect gas supply, venting, and scale buildup.
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State E52 Error Code - Causes & Fix
E52 means communication failure between the display and control board. Check wiring connections first, then replace faulty components.
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State Tankless Water Heater E03 Error Code - Causes & Fix
E03 on State tankless heaters usually signals overheat or low water flow. Check your model manual, clean the inlet filter, and verify flow.
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State Tankless Water Heater E02 Error - Causes & Fix
E02 means your State tankless heater detected water over the safe temperature limit. Most often the thermistor sensor is faulty.
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Ruud Tankless E12 Error Code - Causes & Fix
E12 is a flame-failure fault: the heater tried to ignite but could not prove a stable flame. Check gas supply and clean the flame rod.
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Ruud E11 Error Code - Causes & Fix
E11 means ignition failure: the burner won't light or flame isn't detected. Most common fix: clean the flame rod and igniter.
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Bosch E3 Error Code - Causes & Fix
E3 on Bosch tankless heaters signals a flue gas temperature sensor fault or overheating. Check sensor wiring, test the sensor, or descale.
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A.O. Smith E21 Error Code - Causes & Fix
E21 means a shorted thermistor (TH-1 or T-Out). Most often the sensor itself has failed. Check wiring, then replace the thermistor.
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A.O. Smith Tankless E06 Error - Causes & Fix
E06 on an A.O. Smith tankless heater means water temperature is too high. Run a hot tap for 5 minutes to clear the fault or check sensors.
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A.O. Smith Tankless E04 Error - Causes & Fix
E04 on an A.O. Smith electric tankless water heater means moisture or a leak is detected inside. Turn off power and water, then call support.
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Rinnai LC Error Code - Causes & Fix
LC code means scale buildup in the heat exchanger. Flush the unit with descaling solution to clear the code and restore full operation.
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Navien E594 Error Code - Causes & Fix
E594 means abnormal EEPROM operation on your Navien tankless heater. The main control board has failed or corrupted memory. Replace the PCB.
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Siemens G120 F01205 - Causes & Fix
F01205 means the control unit's CPU ran out of processing time. Power-cycle the drive. If it returns, replace the control unit.
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Siemens G120 VFD F01040 - Causes & Fix
F01040 means the G120 drive changed a parameter and needs you to save settings (p0971) then power-cycle the Control Unit to clear.
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Siemens G120 F01033 - Causes & Fix
F01033 means a reference parameter for unit conversion is invalid (often 0.0). Fix by correcting the scaling parameter in your drive setup.
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Siemens G120 A01028 Fault - Causes & Fix
A01028 means the drive's saved configuration was made for a different module type. Save parameters with p0971=1 or reload the correct project.
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Siemens F01018 - Causes & Fix
F01018 means the G120 drive's power-up was interrupted multiple times and it reverted to factory settings. Fix by checking supply power stability first.
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ABB ACS550 AI1 LOSS - Causes & Fix
AI1 LOSS means analog input 1 signal is missing or below the configured threshold. Check wiring and field device before adjusting parameters.
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ABB ACS580 A2B4 Fault Code - Causes & Fix
A2B4 means short circuit in the motor or motor cable. Most often caused by damaged cable insulation or motor winding failure.
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ABB ACS580 A2B1 Fault Code - Causes & Fix
A2B1 means overcurrent on your ABB ACS580 VFD. Usually caused by overload, short ramps, or wiring faults. Check load and motor cables first.
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Kenmore Microwave E1 Error Code - Causes & Fix
E1 means a thermistor sensing fault. The control board isn't receiving proper temperature feedback. Replace the thermistor or fix wiring.
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LG Microwave F13 Error Code - Causes & Fix
F13 means a voltage error in your LG microwave. LG requires service for this fault. Unplug for one minute, then call a tech if it returns.
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LG Microwave F1 Error Code - Causes & Fix
F1 on an LG microwave means a mainboard fault. Most likely fix: replace the main control board after checking power and connections.
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Samsung Microwave E-82 Error - Causes & Fix
E-82 means a communication short error between control circuits. Power-cycle for 60 seconds. If it returns, call service.
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Maytag Range F2 E1 Error Code - Causes & Fix
F2 E1 means a fault in the keypad, control board, or wiring between them. Check grates first, then reset power for one minute.
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GE Range F1 Error Code - Causes & Fix
F1 on a GE range means the oven control detected a keypad or control board fault. Most often a shorted keypad or failed control board.
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Amana Furnace E05 Error Code - Causes & Fix
E05 on Amana furnaces signals an open fuse fault. Most often the control board fuse or a shorted wire is to blame.
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Amana Furnace E04 Error Code - Causes & Fix
E04 means an open limit, rollout, or reverse-airflow safety switch has shut down your Amana furnace. Check and replace your air filter first.
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Kenmore Microwave F3 Error Code - Causes & Fix
F3 on Kenmore microwaves typically means a thermistor/temperature sensor fault. Most often the thermal probe has failed or its wiring is loose.
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Kenmore Microwave E11 Error - Causes & Fix
E11 on a Kenmore microwave means a humidity sensor fault. The most common fix is replacing the failed humidity sensor.
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Panasonic H98 Error Code - Causes & Fix
H98 means a high-voltage or heating-system fault in your Panasonic inverter microwave. Usually requires Power PCB or magnetron replacement.
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Panasonic Microwave U30 Error Code - Causes & Fix
U30 means memory cook time exceeds the limit for Double or Triple Quantity mode. Reprogram the stored time to fix it.
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Panasonic E01 Error Code - Causes & Fix
E01 means a self-diagnostic fault or invalid operation. Unplug the microwave and call Panasonic service if it appears during cooking.
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Whirlpool Microwave E63 Error Code - Causes & Fix
E63 means the oven sensor circuit is shorted. Most often caused by a failed sensor. Reset power first, then test sensor and wiring.
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Whirlpool Microwave E13 Error Code - Causes & Fix
E13 means preheat failure on Whirlpool over-the-range microwaves. Most often the appliance control board or wiring has failed.
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Whirlpool Microwave E21 Error - Causes & Fix
E21 means the control board sees an open thermal sensor circuit. Most often caused by a failed sensor or loose connector.
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GE Microwave PF Error Code - Causes & Fix
PF means power failure. The microwave lost incoming power. Press CLEAR, unplug for 60 seconds, then plug back in to reset the code.
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GE Microwave F6 Error Code - Causes & Fix
F6 on a GE microwave means a shorted temperature probe. The most likely fix is replacing the probe or repairing its wiring.
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LG Microwave F16 Error - Causes & Fix
F16 means a heating issue in the inverter. Most likely fix: reset power and check the inverter cooling fan or replace the inverter board.
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LG Microwave F5 Error - Causes & Fix
F5 means damper switch error on LG microwaves. Check for obstructions blocking the door, then call service if the code stays.
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LG Microwave F11 Error Code - Causes & Fix
F11 on an LG microwave means an inverter communication error. Unplug for 1 minute and retry. If it persists, call for service.
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LG Microwave F4 Error - Causes & Fix
F4 means a humidity sensor error on LG microwaves. The most likely fix is replacing the failed humidity sensor or repairing its wiring.
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Samsung E-X2 Microwave Error - Causes & Fix
E-X2 means Additional Short Error. Power reset the microwave for 60 seconds. If it returns, a control board or keypad short needs service.
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Samsung Microwave E-81 Error - Causes & Fix
E-81 means Communication Open Error. A control-board or wiring fault interrupted communication. Power reset first, then call service.
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Samsung Microwave E-63 Error - Causes & Fix
E-63 means T1 Max Time Humidity Sensor Error. Most often the humidity sensor has failed. Reset power for 60 seconds first.
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Samsung Microwave E-34 Error - Causes & Fix
E-34 means Over Weight Error: the turntable load exceeds the model's limit for weight-sensing mode. Reset power for 60 seconds first.
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Samsung Microwave E-01 Error - Causes & Fix
E-01 means an open circuit is detected. Unplug the microwave for 60 seconds, then restore power to clear the code and test again.
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Maytag Range F2E0 Error Code - Causes & Fix
F2E0 on a Maytag range means the control detected a keypad or UI communication fault. Reset power first, then check the keypad.
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GE Range F5 Error Code - Causes & Fix
F5 on a GE range means a control-circuit failure in the main electronic oven control. Most often the EOC board itself needs replacement.
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LG Range E7 Error Code - Causes & Fix
E7 is not a standard LG range code. It's used for LG SideKick washers and means the unit lacks a compatible top washer or the stacking switch failed.
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GE Oven F350 Error Code - Causes & Fix
F350 means the upper cooling fan isn't spinning correctly. Check for obstructions first, then replace the blower motor if needed.
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Samsung Microwave E-41 Error - Causes & Fix
E-41 means an open Easy/PH sensor error. Unplug for 60 seconds and retry. If the code returns, a technician must check the sensor or board.
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Samsung Microwave E-24 Error Code - Causes & Fix
E-24 on Samsung microwaves means over-temperature detected. Let unit cool, restart. If it returns, check the temp sensor or call service.
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Samsung E-13 Error Code - Causes & Fix
E-13 means T1 max time gas sensor error on Samsung microwaves. Unplug for 60 seconds and retest. Persistent code needs sensor repair.
-
Samsung Microwave E-02 Error - Causes & Fix
E-02 means Cooking Time Setting Over Error. The microwave detected an invalid time setting. Most cases clear after unplugging for 60 seconds.
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Samsung Microwave C-F2 Error Code - Causes & Fix
C-F2 means touch key communication failure. Most often fixed by unplugging for 2 minutes or replacing the touchpad or control board.
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Samsung Microwave C-d1 Error Code - Causes & Fix
C-d1 means a door-interlock fault. Most often a failed door switch or stuck latch. Power cycle first, then test the switch.
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Samsung Microwave C-A0 Error Code - Causes & Fix
C-A0 is a functional error on Samsung microwaves. Power-reset the unit for 60 seconds. If the code returns, call service for repair.
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Samsung Microwave C-72 Error Code - Causes & Fix
C-72 means a steam sensor fault. First, unplug for 60 seconds and retry. If it returns, check for moisture, loose wiring, or a bad sensor.
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Samsung C-71 Error Code - Causes & Fix
C-71 means steam sensor error on Samsung microwaves. Most often fixed by a 60-second hard reset or letting the unit dry after steam exposure.
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Samsung C-20 Error Code - Causes & Fix
C-20 means a sensor fault in your Samsung microwave. Reset by unplugging 30+ seconds. If it returns, check or replace the thermistor.
-
Kenmore Range F031 Error Code - Causes & Fix
F031 signals a shorted or out-of-range oven temperature sensor circuit. Most often the sensor probe itself has failed and needs replacement.
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Kenmore F030 Error Code - Causes & Fix
F030 on a Kenmore range means the oven temperature sensor circuit has failed. The sensor probe itself is the most common cause.
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Kenmore F10 Error Code - Causes & Fix
F10 means runaway oven temperature. Most common fix: replace the temperature sensor or the electronic control board.
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Maytag Range F5E0 Error Code - Causes & Fix
F5E0 means a door latch or door switch fault. Most often the oven door is not fully seated or the latch assembly has failed.
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Maytag Range A6 Error Code - Causes & Fix
A6 or 5A6 on your Maytag range means Sabbath mode is active, not a component fault. Exit by holding Clock 3 seconds or reset power.
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Maytag Range Lock Error Code - Causes & Fix
Lock, LOC, or Locked on your Maytag range means the control lockout feature is active. Hold START/ENTER for 5 seconds to unlock.
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Maytag Range F0 Error Code - Causes & Fix
F0 or F0 E0 means the oven control can't identify the fault. Most common fix: reset power, check for stuck touchpad button, replace keypad.
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KitchenAid F8 Error Code - Causes & Fix
F8 EA means UI/wiring fault. F8 E0 means cooling fan speed too low. Most often fixed by power reset or replacing the UI or fan.
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KitchenAid Range F1 Error Code - Causes & Fix
F1 signals a fault with the oven temperature sensor, control board, or wiring. Power-cycle at the breaker first, then check the sensor.
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KitchenAid F0 Error Code - Causes & Fix
F0 (or F0 E0) means the control can't identify the problem. Reset power for 1 minute. If it returns, replace the control board.
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Frigidaire F90 Error Code - Causes & Fix
F90 means the oven door lock failed to complete its locking or unlocking cycle. Most often fixed by replacing the door lock assembly.
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Frigidaire Range F12 Error Code - Causes & Fix
F12 means Micro Identification fault in the control electronics. Reset power for 30 seconds. If it returns, replace the control panel or board.
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Frigidaire Range F8 Error Code - Causes & Fix
F8 on a Frigidaire range means a door lock or latch fault. The latch is jammed or the lock assembly has failed. Reset and inspect.
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Frigidaire Range F4 Error Code - Causes & Fix
F4 on Frigidaire ranges signals an oven temperature sensor or circuit fault. Most often fixed by replacing the RTD probe or harness.
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Frigidaire F3 Error Code - Causes & Fix
F3 on Frigidaire ranges is usually an oven sensor circuit fault or communication error. Reset power first, then check the sensor and wiring.
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Frigidaire Range F2 Error Code - Causes & Fix
F2 on a Frigidaire range means oven over-temperature or a sensor fault. Most common fix: replace the oven temperature sensor.
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Frigidaire Range F1 Error Code - Causes & Fix
F1 means shorted keypad on Frigidaire ranges. Most often the touchpad membrane or control board is faulty. Reset, inspect, replace.
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GE Range FC Error Code - Causes & Fix
FC means the control detects a faulty door lock circuit. Most often the oven latch assembly has failed and needs replacement.
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GE Range F7 Error Code - Causes & Fix
F7 on a GE range means a keypad or control-interface fault. The keypad assembly or control board is usually the fix.
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GE Range F97 Error Code - Causes & Fix
F97 means an internal component has failed, typically the lower cooling fan or its circuit. Most repairs need the fan replaced.
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GE Range F8 Error Code - Causes & Fix
F8 on a GE range usually means a control board fault or door latch problem. Most often fixed by replacing the main control board.
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GE Range F6 Error Code - Causes & Fix
F6 on a GE range means a keypanel problem. The keypad assembly usually needs replacement. Learn how to diagnose and fix it.
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GE Range F7 Error Code - Causes & Fix
F7 on a GE range means a stuck or shorted keypad button. Clean the ribbon cable contacts or replace the membrane keypad to fix it.
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GE Range F4 Error Code - Causes & Fix
F4 means shorted or low-resistance oven sensor. Most common fix: replace the oven temperature sensor after testing resistance at 1100 Ω.
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GE Range F20 Error Code - Causes & Fix
F20 means your GE oven detected an over-temperature condition. Most common fix: replace the oven temperature sensor or control board.
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GE Range F0 Error Code - Causes & Fix
F0 on a GE range means a stuck or failed keypad. The most common fix is to replace the touchpad or control board.
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Whirlpool Range AB Error Code - Causes & Fix
AB or SAB on a Whirlpool range usually means Sabbath Mode is active. Exit the mode using your owner's manual button sequence.
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Whirlpool FC E4 Error Code - Causes & Fix
FC E4 on a Whirlpool range means a communication fault between the oven control and appliance manager. Reset power at the breaker first.
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Whirlpool Range F9 Error Code - Causes & Fix
F9 or F9 E0 on a Whirlpool range means the control detected a wiring or supply voltage problem. Reset the breaker first.
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LG Range F7 Error Code - Causes & Fix
F7 means your LG oven failed to heat above 150°F during preheat. Most often the bake element, temperature sensor, or convection fan has failed.
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LG Range F4 Error Code - Causes & Fix
F4 means a shorted oven sensor (lower thermistor). Reset the breaker for 30 seconds. If it returns, replace the oven sensor.
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Bosch ER2 Oven Error - Causes & Fix
ER2 means electrical network connection failure. The oven won't heat and the alarm sounds continuously. Reset the breaker first.
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Maytag Oven F5 Error Code - Causes & Fix
F5 means the door latch system has failed. Reset power first, then inspect the latch assembly, switches, and wiring.
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KitchenAid Oven F6 E6 Error Code - Causes & Fix
F6 E6 means loss of communication with the upper oven control. Power-cycle at the breaker for 1 minute to reset the control.
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Samsung Oven E27 Error Code - Causes & Fix
E27 means an open oven temperature sensor circuit. The most common fix is replacing the failed temperature sensor itself.
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Amana Refrigerator D9 Error Code - Causes & Fix
D9 on an Amana fridge is not a standard published code. Power-cycle the unit, check your model's service sheet, or call a tech.
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KitchenAid Refrigerator E3 Error Code - Causes & Fix
E3 on a KitchenAid refrigerator means a faulty thermistor. Reset power first. If it returns, check the sensor and wiring.
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Samsung Range C-20 Error Code - Causes & Fix
C-20 on a Samsung range means oven sensor malfunction. Most common fix: replace the oven temperature sensor probe or repair damaged wiring.
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Kenmore Oven F5 Error Code - Causes & Fix
F5 or E1-F5 means a door lock or latch fault. Most often the latch assembly is stuck or a switch has failed after a self-clean cycle.
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Kenmore Oven F3 Error Code - Causes & Fix
F3 means oven temperature sensor probe fault. Most often the sensor itself has failed and needs replacement. Check sensor, wiring, then board.
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Kenmore Oven F1 Error Code - Causes & Fix
F1 means control board failure on most Kenmore ovens. Replace the electronic control board or test the keypad if your model uses one.
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Bosch Oven F121 Error Code - Causes & Fix
F121 means a stuck key on your Bosch oven's control panel. The quickest fix is power cycling the oven and cleaning the keypad surface.
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Bosch Oven Er1 Error Code - Causes & Fix
Er1 on a Bosch oven means temperature sensor failure. Most likely fix: replace the oven temperature sensor after testing it.
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Maytag Oven PF Error Code - Causes & Fix
PF means power failure was detected. Press Cancel to clear the code, then reset the clock if needed and check for normal operation.
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Maytag Oven AB Error Code - Causes & Fix
AB (SAb) on a Maytag oven means Sabbath mode is active, not a fault. Exit by pressing and holding Clock for 3+ seconds.
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Maytag Oven F4 Error Code - Causes & Fix
F4 signals a temperature sensor circuit fault. Most often the oven sensor has shorted. Reset power first, then check the sensor.
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Maytag Oven F2 Error Code - Causes & Fix
F2 means over-temperature condition or sensor fault. F2 E0 points to keypad or control wiring. Most common fix: replace temperature sensor.
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Maytag Oven F0 Error Code - Causes & Fix
F0 means the control can't identify the fault, usually a stuck keypad. Reset power for 1 minute. If it returns, replace the touchpad.
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KitchenAid F6 E5 Error Code - Causes & Fix
F6 E5 means a control panel or wiring fault. Power reset first, then check connectors and replace the panel or board if needed.
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KitchenAid Oven F6 E3 Error - Causes & Fix
F6 E3 on a KitchenAid oven signals a control/communication fault. Power-cycle the oven first, then check wiring and controls.
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KitchenAid Oven F6 E2 - Causes & Fix
F6 E2 means a fault in the Appliance Manager Control, Converter Control, or wiring. Power-cycle the breaker for one minute first.
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KitchenAid F6 E0 Error Code - Causes & Fix
F6 E0 means the control board cannot communicate with the user interface. Reset the circuit breaker for 1 minute to clear the fault.
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KitchenAid Oven SAB Error Code - Causes & Fix
SAB on a KitchenAid oven means Sabbath Mode is active, not a fault. Exit the mode using your model's control sequence to restore normal operation.
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Frigidaire Oven F41 Error Code - Causes & Fix
F41 means cooktop lockout is active or a control fault. Try a 30-second power reset and cancel lock by holding OFF for 6 seconds.
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Frigidaire Oven F40 Error Code - Causes & Fix
F40 means your cooktop is locked out. Power-cycle the range for 30 seconds to reset the lockout and clear the code.
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Frigidaire F13 Error Code - Causes & Fix
F13 means EEPROM failure on the control board. Power-cycle the range for 30 seconds first. If it returns, replace the control board.
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Frigidaire F26 Error Code - Causes & Fix
F26 means a communication error between control boards. Most often fixed by cycling power or replacing a failed control board or harness.
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Frigidaire Oven F3 Error - Causes & Fix
F3 on a Frigidaire oven means a temperature sensor circuit fault or communication error. Most often the oven sensor has failed.
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GE Oven F97 Error Code - Causes & Fix
F97 means an internal component failed, usually the lower cooling fan or its sensor. Most techs replace the fan assembly first.
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Whirlpool Oven LOC Error Code - Causes & Fix
LOC means the control lock (child lock) is on, not a fault. Press and hold START/ENTER for 5 seconds to unlock the keypad and clear the display.
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Samsung SE Error Code - Causes & Fix
SE means a stuck or shorted keypad button. Most common fix: replace the membrane switch assembly or reseat its ribbon connector.
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Samsung Oven C-23 Error Code - Causes & Fix
C-23 on Samsung ovens signals a temperature sensor malfunction. The most common fix is replacing the oven thermistor or its wiring.
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Amana Refrigerator PO Error Code - Causes & Fix
PO means Power Outage detected and freezer warmed to 18°F or higher. Press MEASURED FILL under Confirm to clear the alert and verify cooling.
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Bosch Refrigerator E21 Error - Causes & Fix
E21 means communication failure between control boards (IWD and UIM). Check wiring connections between modules or replace the faulty board.
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KitchenAid Refrigerator E1 Error Code - Causes & Fix
E1 on KitchenAid refrigerators usually means ice maker cooling failure or a thermistor fault. Power reset first, then check sensor.
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Frigidaire Refrigerator SB Error Code - Causes & Fix
SB on a Frigidaire fridge means Sabbath Mode is active, not a fault. Press and hold the mode-exit keys for 5 seconds to turn it off.
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Frigidaire Refrigerator E11 Error Code - Causes & Fix
E11 is not a standard Frigidaire refrigerator code. Likely a misread alarm or model-specific fault. Reset power for 2–3 minutes first.
-
Samsung Refrigerator AP Code - Causes & Fix
AP on a Samsung fridge means Access Point (Wi-Fi setup mode), not a fault. Exit setup mode or complete SmartThings pairing to clear it.
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Kenmore Dishwasher F9E2 Error Code - Causes & Fix
F9E2 means your Kenmore dishwasher cannot drain water properly. Check for a knockout plug left in your garbage disposer or a kinked hose.
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Maytag Dishwasher F2E2 Error Code - Causes & Fix
F2E2 means lost communication between the control panel and main board. Most common fix: reseat connectors or replace the UI control.
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Maytag Dishwasher E4 Error Code - Causes & Fix
E4 (F8E4) means water in the drip tray triggered the float switch. Most common fix: dry the base pan and check supply connections.
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Whirlpool H2O Error Code - Causes & Fix
H2O means the dishwasher paused the cycle because water fill is not detected. Check water supply is on and inlet hose is not kinked.
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Bosch Dishwasher E01 Error Code - Causes & Fix
E01 means a heat pump motor circuit fault at the main control board. Reset power at the breaker for 30 seconds, then call service if it returns.
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Amana Dryer F70 Error Code - Causes & Fix
F70 means a communication fault between the console and main control board. Power-cycle at the breaker, then inspect wiring and connectors.
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Amana Dryer F4 E4 Error Code - Causes & Fix
F4 E4 means low or no line voltage to your Amana dryer. Most often a tripped breaker on one leg of the 240 V supply or loose power cord.
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LG Refrigerator C1 Error Code - Causes & Fix
C1 means a communication error between the display and dispenser assembly. LG requires professional service for this fault.
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LG Refrigerator dS Error Code - Causes & Fix
dS means a defrost sensor circuit fault (short or open). Most often the defrost thermistor has failed and needs replacement by a tech.
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LG Refrigerator EID Error Code - Causes & Fix
EID means freezer ice maker sensor failure. LG provides no user reset steps. A technician must diagnose the sensor circuit and replace the failed component.
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Amana Dishwasher H2O Error Code - Causes & Fix
H2O means your Amana dishwasher isn't getting enough water during fill. Most common fix: check that the shutoff valve is fully open.
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Kenmore Dishwasher F8E2 Error Code - Causes & Fix
F8E2 signals a drain pump electrical fault. Most often the drain pump itself has failed or its wiring is loose or damaged.
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Kenmore Dishwasher F7E1 Error Code - Causes & Fix
F7E1 means a heating element fault in your Kenmore dishwasher. The most common fix is replacing the failed heating element.
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Kenmore Dishwasher F6E1 Error - Causes & Fix
F6E1 means your Kenmore dishwasher cannot start or resume a cycle. Most often a power reset fixes it. If not, check the control panel.
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Kenmore Dishwasher E13 Error Code - Causes & Fix
E13 on Kenmore dishwashers (LG-built models) signals a drain problem. Most often a kinked or clogged drain hose or blocked pump.
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Kenmore Dishwasher E11 Error - Causes & Fix
E11 means your Kenmore dishwasher isn't filling with water in time. Most often it's a closed shutoff valve or clogged inlet screen.
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Kenmore Dishwasher E07 Error Code - Causes & Fix
E07 on Bosch-built Kenmore dishwashers means a defective Zeolite/CrystalDry fan motor. Reset power for 30 seconds first.
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Maytag Dishwasher FAE5 Error Code - Causes & Fix
FAE5 means the cycle ended and the dishwasher drained. Press Cancel twice and start a new cycle. If it repeats, diagnose fill or flood.
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Maytag Dishwasher F7E2 Error Code - Causes & Fix
F7E2 means wash motor overheat or speed sensor fault. Most often fixed by clearing debris from the pump or replacing the motor assembly.
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Maytag Dishwasher E15 Error Code - Causes & Fix
E15 means water detected in the base pan. Most common fix: find and repair the internal leak, then dry the base completely.
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Maytag Dishwasher E1 Error Code - Causes & Fix
E1 means your Maytag dishwasher detects a drain fault or siphoning condition. Fix it by checking drain hose height and routing first.
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Frigidaire Dishwasher LO Error Code - Causes & Fix
LO means low or empty rinse aid. Refill the dispenser to the fill line. If the code stays on, the dispenser may need replacement.
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Frigidaire i40 Error Code - Causes & Fix
i40 means clogged filter or sump on Frigidaire dishwashers. Clean the glass trap and filter assembly, then check the sump for food debris.
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Frigidaire i20 Error Code - Causes & Fix
The i20 code means your Frigidaire dishwasher did not drain. Most often it's a clogged filter or kinked drain hose. Clean and check both.
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GE Dishwasher FFF Error Code - Causes & Fix
FFF is not a standard GE code. GE drain faults show as C1 or C3. Clean the filter and drain hose first, then check the pressure sensor.
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KitchenAid H2O Error Code - Causes & Fix
H2O means your KitchenAid dishwasher isn't getting enough water. Check that the supply valve under the sink is fully open and the hose isn't kinked.
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GE Dishwasher PF Error Code - Causes & Fix
PF means power failure detected. Most often caused by a tripped breaker or brief outage. Clear by pressing Start/Cancel.
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KitchenAid F8E2 Error Code - Causes & Fix
F8E2 means a drain pump electrical fault. Most likely fix: replace the drain pump or repair its wiring harness and connectors.
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KitchenAid Dishwasher F6E3 Error Code - Causes & Fix
F6E3 means excessive suds detected in the tub. Usually caused by wrong detergent or too much detergent. Clear foam and run empty cycles.
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KitchenAid F3E2 Error Code - Causes & Fix
F3E2 on KitchenAid ovens/ranges signals a faulty oven or warming-drawer temperature sensor. Power-cycle first, then check the sensor.
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KitchenAid F1E2 Dishwasher Error - Causes & Fix
F1E2 means a failed or incompatible electronic control board. Most often you'll replace the main control to clear the fault.
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LG Dishwasher CR Error Code - Causes & Fix
CR means your LG dishwasher is stuck in test mode (Continuous Run). Press POWER to turn it off, then power-cycle the unit to exit.
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KitchenAid Dishwasher F1E1 Error - Causes & Fix
F1E1 means a stuck relay on the control board. The dishwasher drains then stops. Fix: power reset first, then replace the board.
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Samsung Dishwasher CE Error Code - Causes & Fix
CE means a communication error between the control panel and main board. Most often fixed by a power reset or replacing a failed board.
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Whirlpool F1E1 Dishwasher Error - Causes & Fix
F1E1 means your Whirlpool dishwasher starts draining, then stops. Most often a blocked drain hose, bad pump, or control issue.
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Whirlpool Dishwasher E6 Error Code - Causes & Fix
E6 / F6E6 signals a water supply or filling fault. Check that the shutoff valve is fully open, then reset power for one minute.
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Whirlpool Dishwasher E4 Error Code - Causes & Fix
E4 means water in the base pan. Most often a loose inlet hose connection. Press Cancel twice, dry the pan, check all fittings.
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Whirlpool Dishwasher E1 Error Code - Causes & Fix
E1 means a water-fill problem from siphoning. Check the drain hose is looped at least 20 in. above the floor and above the trap.
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Bosch Dishwasher E08 Error Code - Causes & Fix
E08 means water level is too low or not pumping correctly. Most often fixed by cleaning the filter or checking inlet water supply.
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Bosch E07 Error Code - Causes & Fix
E07 means a Zeolite CrystalDry fan fault. Most often caused by water leaking into the drying assembly from a cracked fill tube.
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Amana Dryer FC E1 Error Code - Causes & Fix
FC E1 on Amana dryers signals a control communication fault. Power reset is the manufacturer-confirmed fix. Full guide inside.
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Amana Dryer F50 Error Code - Causes & Fix
F50 is a general electronic failure code on Amana dryers. The manufacturer remedy is a 5-minute power reset and timed dry test.
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Amana Dryer F6E3 Error Code - Causes & Fix
F6E3 means a voltage sensing or power supply fault. First fix: turn off the dryer at the breaker for 5 minutes, restore power, then test.
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Amana Dryer F4 E1 Error Code - Causes & Fix
F4 E1 means your Amana dryer detects a heating system fault. Most often caused by blocked venting or a failed heating element.
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Amana Dryer F3 E3 Error Code - Causes & Fix
F3 E3 means inlet thermistor fault. Most likely fix: replace the inlet thermistor or repair its wiring after a power reset fails.
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Amana Dryer F3 E1 Error Code - Causes & Fix
F3 E1 means exhaust thermistor fault on Amana dryers. Power down 5 minutes, restart, and run a timed cycle to test the thermistor.
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Amana Dryer F2E5 Error Code - Causes & Fix
F2E5 is not an Amana dryer code. Dryer code F3E5 means five loads without moisture sensor data. Washer F2E5 means UI wiring fault.
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Amana Dryer F29 Error Code - Causes & Fix
F29 on an Amana dryer signals a moisture sensor circuit fault. Clean the sensor bars near the lint screen and power-reset the unit.
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Amana Dryer F23 Error Code - Causes & Fix
F23 means outlet thermistor circuit fault. Most often the exhaust temperature sensor failed or its wiring is damaged or loose.
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Amana Dryer F22 Error Code - Causes & Fix
F22 means a thermistor temperature-sensing fault. Most often the thermistor itself has failed or its wiring is loose or damaged.
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Kenmore Dryer F01 Error Code - Causes & Fix
F01 means the electronic machine control board has failed. Most likely fix: reset power, then replace the main control board.
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Frigidaire Dryer AL-22 Error Code - Causes & Fix
AL-22 is not a standard Frigidaire code. It may be a misread display. Check door closure, power-reset the dryer, and verify the exact code.
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Frigidaire Dryer AL-09 Error Code - Causes & Fix
AL-09 is not a documented Frigidaire code. Verify the exact display, power-cycle the dryer, and check the manual for your model number.
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Maytag Dryer F1E5 Error Code - Causes & Fix
F1E5 means communication fault between main control and motor control/inverter. Most often fixed by reconnecting or replacing boards.
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Maytag Dryer F01 Error Code - Causes & Fix
F01 means main control board or control system failure. Most common fix: power reset first, then replace the control board if code returns.
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Amana Dryer F1 E4 Error Code - Causes & Fix
F1 E4 on Amana dryers likely means F4 E4 (Low or No Line Voltage). Check both 240 V breakers first, then power cord connections.
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Amana Dryer PF Error Code - Causes & Fix
PF means power failure. The dryer lost electricity during the cycle. Hold START to restart or press POWER to clear the display.
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Electrolux Dryer AD Code - Causes & Fix
AD means Auto Dry Setting, not an error. If your dryer won't finish cycles or dries poorly, clean the humidity sensors first.
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Electrolux Dryer H4 / B4 Error Code - Causes & Fix
H4 means a stuck key or keypad fault on the console. The most likely fix is a power reset or replacing the button panel assembly.
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Electrolux Dryer EF3 Error Code - Causes & Fix
EF3 means your load didn't dry within the cycle time. Clean the lint screen and vent duct first-restricted airflow is the most common cause.
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Electrolux Dryer EA5 Error Code - Causes & Fix
EA5 means the main control board has detected a fault in its own power-sensing circuitry. Most often fixed by replacing the board.
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Electrolux Dryer EA4 Error Code - Causes & Fix
EA4 means incorrect wiring at the terminal block. Most often caused by loose or miswired power connections. Check and tighten all leads.
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Electrolux Dryer E97 Error Code - Causes & Fix
E97 means program mismatch in the main control board. Most likely fix: replace the electronic control board after a hard reset.
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Electrolux Dryer E93 Error Code - Causes & Fix
E93 means the dryer detects a control configuration fault or mismatch between boards. Usually fixed by replacing the main control.
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Electrolux Dryer E71 Error Code - Causes & Fix
E71 means outlet thermistor fault. Usually a failed outlet temperature sensor, damaged wiring, or bad control board.
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Electrolux Dryer E66 Error Code - Causes & Fix
E66 means the thermal limiter tripped due to overheating. Most often caused by a blocked exhaust vent or a failed thermal fuse.
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Electrolux Dryer E64 Error Code - Causes & Fix
E64 on an Electrolux dryer means a heater-circuit fault. The most common fix is replacing a failed heating element or thermal fuse.
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Electrolux Dryer E54 Error Code - Causes & Fix
E54 means the drive motor relay circuit failed. Most common fix: check power supply, reset the dryer, or replace the control board.
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Electrolux Dryer E42 Error Code - Causes & Fix
E42 means the door lock isn't being recognized. Check the door is fully closed and the latch clicks, then test the door switch.
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Electrolux Dryer E31 Error Code - Causes & Fix
E31 means moisture sensor feedback is too high or out of range. Clean the sensor bars inside the drum to fix sensor dry failures.
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Electrolux Dryer E09 Error Code - Causes & Fix
E09 is not a verified Electrolux dryer code. Check if the display shows E4, EF1, E42, or H2 instead and refer to your model's guide.
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Kenmore Dryer F70 Error Code - Causes & Fix
F70 means no communication between the machine control and console. Most often caused by a loose or corroded connector, not a failed board.
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Kenmore Dryer F31 Error Code - Causes & Fix
F31 means low or no voltage on the L2 heating leg. Check your breaker panel-one side of the 30-amp circuit has likely tripped.
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Kenmore Dryer F23 Error Code - Causes & Fix
F23 means the outlet thermistor circuit is open or faulty. The most common fix is replacing the outlet thermistor after testing.
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Frigidaire Dryer AL-02 Error Code - Causes & Fix
AL-02 is not a verified Frigidaire code. If you see AD, it means moisture sensor fault. Clean sensor bars or check vent blockage first.
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Maytag Dryer F2E1 Error Code - Causes & Fix
F2E1 means a stuck or shorted button on your Maytag dryer's keypad. Most often fixed by replacing the user interface assembly.
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Maytag Dryer F9E2 Error Code - Causes & Fix
F9E2 signals a control communication fault. Power-cycle the dryer at the breaker for 5 minutes, then test with a timed-dry cycle.
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Maytag Dryer F73 Error Code - Causes & Fix
F73 is not listed in Maytag's dryer codes. It's a washer code for control board communication failure. Verify your model first.
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Maytag Dryer F6E1 Error Code - Causes & Fix
F6E1 means the main control board and user interface lost communication. Most often fixed by resetting power or replacing one board.
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Maytag Dryer F4E2 Error Code - Causes & Fix
F4E2 means a heater relay or heating circuit fault. Most often the heater relay on the control board has failed and needs replacement.
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Maytag Dryer F28 Error Code - Causes & Fix
F28 on a Maytag dryer requires a power reset. Turn off the breaker for 5 minutes, restore power, and run a test cycle to clear the code.
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Maytag Dryer F26 Error Code - Causes & Fix
F26 is a control or communication fault. Most common fix: power off at the breaker for 5 minutes, then run a timed dry test cycle.
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Maytag Dryer F25 Error Code - Causes & Fix
F25 on a Maytag dryer signals a persistent internal fault. Power-cycle the dryer for five minutes and retest with a timed dry cycle.
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Maytag Dryer F20 Error Code - Causes & Fix
F20 on a Maytag dryer means a power or control reset fault. Turn off the circuit breaker for 5 minutes, then restore power to clear it.
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LG Dryer tE Error Code - Causes & Fix
tE (or tE1/tE3) means the control board detected a faulty thermistor signal. Most common fix: power reset, then check airflow and sensor.
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LG Dryer LE2 Error Code - Causes & Fix
LE2 on an LG heat-pump dryer signals a compressor fault. Power-cycle the unit first, check ambient temp and airflow, then call service.
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LG Dryer E4 Error Code - Causes & Fix
E4 means the steam heater failed in your LG dryer or Styler. Most often caused by contaminated water or scale. Reset power and clean the tank.
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LG Dryer D80 Error Code - Causes & Fix
D80 means 80% airflow blockage in your LG dryer. Clean the lint trap, check the vent hose for kinks, and clear the outdoor vent cap.
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Samsung Dryer FC Error Code - Causes & Fix
FC means invalid incoming power frequency. Most often fixed by checking the electrical supply, outlet, and cord connections.
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LG Dryer Add Error Code - Causes & Fix
LG dryer Add code means insufficient water for steam cycles. Fill the steam feeder to MAX with tap water and close the drawer fully.
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Samsung Dryer HC2 Error Code - Causes & Fix
HC2 means gas ignition error on some Samsung dryers or overheating on others. Most common fix: clean the lint filter and vent duct.
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Samsung Dryer Ct Error Code - Causes & Fix
Ct means the dryer is below 32°F or above 104°F. Move it to a normal-temperature space and clear any blocked vents to fix the code.
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Speed Queen Washer SH Error Code - Causes & Fix
SH means shorted thermistor or temperature sensor. The most likely fix is replacing the failed thermistor after checking wiring.
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Speed Queen Washer E7 Error Code - Causes & Fix
E7 on Speed Queen washers means heater circuit error. The most common fix is replacing the failed heating element or control board.
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Maytag Washer F30 Error Code - Causes & Fix
F30 means the dispenser motor is not reaching the correct position. Clean the drawer and housing, check for jams, or replace the actuator.
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Samsung Washer LE1 Error Code - Causes & Fix
LE1 on a Samsung washer means water leakage detected or a water level sensor fault. Check base and hoses for leaks, then inspect sensor wiring.
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Samsung HC4 Dryer Error - Causes & Fix
HC4 means your Samsung dryer is overheating. The most common fix is cleaning the lint screen and checking the exhaust vent for blockages.
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Samsung Dryer hE Error Code - Causes & Fix
Samsung dryer hE code means a heating error, usually overheating. Most often caused by blocked airflow from a clogged vent or lint screen.
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Samsung Dryer HC Error Code - Causes & Fix
HC means your Samsung dryer detected an overheat condition. The most common fix is cleaning the lint screen and exhaust vent.
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Samsung Dryer bC2 Error Code - Causes & Fix
bC2 means a button on your Samsung dryer is stuck, jammed, or being pressed continuously. Power-cycle the dryer first.
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Samsung Dryer bE2 Error Code - Causes & Fix
bE2 means a button on your Samsung dryer is stuck or jammed. Press each button to release it. If it returns, replace the control panel.
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Samsung Dryer dO Error Code - Causes & Fix
Samsung dO code means the dryer detects the door is not latched or sensed correctly. Most often fixed by reseating the door or latch.
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Whirlpool Dryer F3E1 Error Code - Causes & Fix
F3E1 means an exhaust thermistor fault. Most often the thermistor itself has failed or its wiring is loose or damaged.
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Whirlpool Dryer PF Error Code - Causes & Fix
PF means power failure. The dryer detected a power interruption. Press and hold START to restart the cycle or press POWER to clear.
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Amana Washer F5 E2 Error Code - Causes & Fix
F5 E2 means the door or lid lock is not engaging. Check for obstructions, close the lid fully, and reset power for five minutes.
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Amana Washer PF Error Code - Causes & Fix
PF means Power Failure on Amana washers. The cycle was interrupted by a power loss. Hold START to restart or press POWER to clear.
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Amana Ld Error Code - Causes & Fix
Ld means long drain: the washer is draining too slowly. Check the drain hose insertion depth (no more than 4.5 in into standpipe).
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Amana dLO Error Code - Causes & Fix
dLO (or Ld) on Amana top-load washers means a long-drain fault. The washer can't empty water fast enough. Usually a kinked hose.
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Speed Queen Washer EI:0A Error - Causes & Fix
EI:0A means invalid machine type or proximity error. Most often caused by a mismatched or failed control board after recent service.
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Speed Queen EI:03 Error Code - Causes & Fix
EI:03 means the control has data for the wrong machine type. Most common fix: reload correct software or replace the control board.
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Speed Queen Washer E:07 Error Code - Causes & Fix
E:07 means inoperative control or control communication fault. Most often fixed by reseating wiring harnesses at the control boards.
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Speed Queen Washer EL Error Code - Causes & Fix
EL code means leak detected. Check for water under the washer, inspect fill hoses, inlet valves, and drain connections for leaks.
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Speed Queen Washer NF Error Code - Causes & Fix
NF means No Fill: the washer didn't see enough water level rise during fill. Check that both water faucets are fully open and hoses aren't kinked.
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Bosch F34 Error Code - Causes & Fix
F34 means the door lock failed or the door isn't fully latched. Check for obstructions, then test or replace the door lock assembly.
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Bosch F27 Error Code - Causes & Fix
F27 means a faulty pressure sensor in your Bosch washer. Most often fixed by replacing the sensor or clearing the pressure hose.
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Bosch Washer F23 Error Code - Causes & Fix
F23 means the AquaStop leak protection has been triggered. Check for water leaks in hoses, dispenser, or door gasket and dry the base pan.
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Bosch Washer F20 Error Code - Causes & Fix
F20 on Bosch washers means unexpected heating. Power-cycle the machine first. If it returns, check the heating element and thermostat.
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Bosch Washer E37 Error Code - Causes & Fix
E37 means overfilling or a pressure-sensor fault. The most common fix is cleaning the blocked pressure chamber or replacing the sensor.
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Bosch E24 Error Code - Causes & Fix
E24 means your Bosch dishwasher isn't draining. The most common fix is cleaning the filter and checking the drain hose for clogs.
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Bosch Washer E19 Error Code - Causes & Fix
E19 on a Bosch washer means a heating fault. The machine can't heat water in time. Most common fix: replace the heating element.
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Electrolux Washer EF2 Error Code - Causes & Fix
EF2 means excess foam or suds in the drum. Most often caused by too much detergent or a clogged drain filter blocking water removal.
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Electrolux EF5 Error Code - Causes & Fix
EF5 means an out-of-balance load during spin. Redistribute laundry evenly, check the machine is level, and inspect the drain pump.
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Electrolux Washer E60 Error Code - Causes & Fix
E60 means your Electrolux washer isn't heating water. Most often the heating element or temperature sensor has failed. Check and replace.
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Electrolux E51 Error Code - Causes & Fix
E51 means a motor triac short circuit on the main control board. Most common fix: replace the electronic control board or the motor.
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Electrolux Washer E44 Error Code - Causes & Fix
E44 means door lock failure on Electrolux washers. Most common fix: replace the door lock assembly after checking door closure.
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Electrolux Washer E12 Error Code - Causes & Fix
E12 means your Electrolux washer isn't filling with water during rinse. Check taps are open, hoses aren't kinked, and inlet valve works.
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Maytag Washer D4 Error Code - Causes & Fix
D4 means a lid switch circuit failure (top-load) or door sense error (front-load). Check the lid or door switch and wiring first.
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Whirlpool Washer F3E2 Error Code - Causes & Fix
F3E2 on a Whirlpool washer signals an inlet water temperature sensor fault. The most common fix is replacing the thermistor.
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Whirlpool F0E1 Error Code - Causes & Fix
F0E1 means the Clean Washer cycle started with laundry inside. Remove all items from the tub and restart the cycle empty to clear.
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Electrolux E10 Error Code - Causes & Fix
E10 means your Electrolux washer cannot fill with water in time. Most often the inlet tap is closed or the inlet filter is clogged.
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Kenmore Washer F1 E1 Error Code - Causes & Fix
F1 E1 on Kenmore washers means control board fault. Power-cycle first: unplug 5 minutes. If code returns, replace main control board.
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Frigidaire Washer E23 Error Code - Causes & Fix
E23 means the drain pump relay on the control board has failed. Most often you'll replace the main electronic control board.
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Frigidaire E14 Error Code - Causes & Fix
E14 means the washer detects the dispenser drawer is open or not seated. Most often fixed by cleaning residue and reseating the drawer.
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Frigidaire Washer E13 Error Code - Causes & Fix
E13 means water leak or pressure-sensor air hose leak. Check under the tub for leaks and inspect the pressure hose for disconnects or cracks.
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Frigidaire Washer E4 Error Code - Causes & Fix
E4 means your Frigidaire washer detected an out-of-balance load and stopped the spin. Redistribute laundry evenly and check leveling.
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Maytag LdU Error Code - Causes & Fix
LdU means lid cannot unlock. Usually caused by objects on the lid or detergent buildup blocking the lock. Remove obstructions and reset.
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Maytag HC Error Code - Causes & Fix
HC means hot and cold inlet hoses are reversed. Swap the hoses at the back of the washer or at the wall faucets to clear the code.
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Maytag F8 E1 Error Code - Causes & Fix
F8 E1 means your Maytag washer isn't getting enough incoming water. Check that both supply valves are fully open and clean the inlet screens.
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Maytag F7 E1 Error Code - Causes & Fix
F7 E1 means motor speed sensing error. Most common fix: remove shipping bolts still installed on drum or reset the washer.
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Maytag Washer F71 Error Code - Causes & Fix
F71 signals a motor speed sensing or drive engagement fault. On front-loaders, replace the motor control unit. On top-loaders, check the drive hub.
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Maytag Washer F29 Error Code - Causes & Fix
F29 means the door lock failed to unlock after a cycle. Most often the door latch assembly is defective or the door hook is misaligned.
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Maytag Washer F22 Error Code - Causes & Fix
F22 means the door lock is not engaging or reporting correctly. Most often fixed by clearing obstructions or replacing the door lock.
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Maytag Washer d13 Error Code - Causes & Fix
d13 is not a standard Maytag code. It's likely a misread of dL, SD, F3 E1, or F9 E1. Verify the exact display, reset, then check drain and suds.
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Maytag Washer d9 Error Code - Causes & Fix
d9 on a Maytag washer means low voltage detected at the control. Most often fixed by checking the outlet, power cord, and internal connections.
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Maytag Washer d8 Error Code - Causes & Fix
d8 means slow drain detected on legacy Maytag top-loaders. Most often caused by a kinked drain hose or clogged pump. Clear path and test.
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Maytag Washer D5 Error Code - Causes & Fix
D5 (or Sd/5d) on most Maytag washers means excess suds detected. Most common fix: let the washer run its suds routine and switch to HE detergent.
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Maytag Washer D1 Error Code - Causes & Fix
D1 means water level circuit failure on the control board. Most common fix: replace the main control board after checking wiring.
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LG Washer FE Error Code - Causes & Fix
FE means your LG washer is overfilling. The water inlet valve is usually stuck open or leaking. Turn off water and replace the valve.
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LG Washer AE Error Code - Causes & Fix
AE means the leak sensor detected water in the base pan. Most often caused by a torn door boot or excess suds. Dry the pan and find the leak.
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LG Washer CL Error Code - Causes & Fix
CL on an LG washer means Child Lock is on, not a fault. Press and hold the Child Lock button for 3-5 seconds to turn it off.
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LG Washer HE Error Code - Causes & Fix
HE means temporary heater error. Power reset: unplug 10 seconds, restart. If it repeats, the heater circuit needs service.
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LG Washer tE Error Code - Causes & Fix
tE means a heating or temperature-sensing error. The thermistor (temp sensor) is usually faulty and needs replacement.
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LG Washer PF Error Code - Causes & Fix
PF means your LG washer detected a power failure during the cycle. Usually you can press START/PAUSE and resume after an outage.
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LG Washer CE Error Code - Causes & Fix
CE means motor over-current detected. Usually caused by a shorted motor, failed control board, or loose wiring. Reset first, then check motor.
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Samsung Washer OF Error Code - Causes & Fix
OF/OE on Samsung washers means overflow detected. Most often a stuck-open inlet valve or bad pressure sensor. Power off, check valves.
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Samsung Washer OE Error Code - Causes & Fix
OE means a drain timeout: water isn't leaving the tub. Most common fix: clean the clogged drain filter at the front lower panel.
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Samsung Washer LC1 Error Code - Causes & Fix
LC1 means your Samsung washer detected a water leak or moisture where it shouldn't be. Check hoses, connections, and the base sensor.
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Samsung LC Error Code - Causes & Fix
Samsung LC means leak detected. Check for water under the washer, inspect all hoses and connections, and clean the leak sensor at the base.
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Samsung Washer dE2 Error Code - Causes & Fix
dE2 means the door is closed but not locked or an on/off switch fault. Most common fix: power reset or door lock assembly replacement.
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Samsung Washer CE Error Code - Causes & Fix
CE means water temperature issue. Usually hot and cold hoses are reversed at the back. Swap them and run calibration to clear the code.
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Samsung Washer bC Error Code - Causes & Fix
Samsung bC error means a button or control-panel input fault. Most often a stuck button or failed display PCB relay. Power cycle first.
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Samsung Washer bE2 Error Code - Causes & Fix
bE2 means a stuck or jammed button on the control panel (or Mems sensor on some models). Reset power and check each button for binding.
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Samsung Washer bE1 Error Code - Causes & Fix
bE1 means a stuck or faulty power button on your Samsung washer. The most likely fix is cleaning the button or replacing the control panel.
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Samsung Washer AE Error Code - Causes & Fix
AE is a communication error between control boards in your Samsung washer. Most often fixed by a power reset or reseating connectors.
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Whirlpool Washer drn Error Code - Causes & Fix
The drn code means your Whirlpool washer is draining too slowly. Most often it's a kinked or clogged drain hose or debris in the pump.
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Whirlpool LdU Error Code - Causes & Fix
LdU means the lid cannot unlock on your Whirlpool washer. Most often an object on the lid or detergent buildup is blocking the latch.
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Whirlpool Washer LdL Error Code - Causes & Fix
LdL means the lid is not locking. Usually caused by an item under the lid or detergent buildup around the lock mechanism.
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Whirlpool F8E2 Error Code - Causes & Fix
F8E2 means a dispenser system fault. The dispenser motor cannot reach position. Check for clogs, refill detergent, and inspect wiring.
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Whirlpool HC Error Code - Causes & Fix
HC means hot and cold inlet hoses are reversed. Swap the supply hoses at the back of the washer so hot connects to hot and cold to cold.
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Whirlpool Washer F2E1 Error - Causes & Fix
F2E1 on a Whirlpool washer means a stuck or faulty key on the console. Most often fixed by power-cycling or cleaning the keypad.
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Whirlpool F3E1 Error Code - Causes & Fix
F3E1 means the washer can't detect water level. Most often caused by a kinked or clogged pressure hose. Reset and inspect the hose first.
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Whirlpool F1E1 Error Code - Causes & Fix
F1E1 means the main control board has a checksum or internal data error. Try a 5-minute power reset first, then replace the board if it returns.
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Navien Alarm 438 - Causes & Fix
Alarm 438 means a recirculation system fault. Most often a closed valve, clogged filter, or failed circulation pump stops flow in the loop.
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Navien E515 Error Code - Causes & Fix
E515 signals an abnormal PCB condition on your Navien tankless. Most common fix is reseating connectors or replacing the main control board.
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Navien Tankless E013 Error Code - Causes & Fix
E013 on Navien tankless means abnormal pump operation. Most common fix: check pump wiring and connectors, then replace the pump if faulty.
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Navien E011 Error Code - Causes & Fix
E011 on Navien tankless means high water pressure or a faulty pressure sensor. Most often fixed by replacing the water pressure sensor.
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Navien E007 Error Code - Causes & Fix
E007 means the hot water outlet thermistor circuit is open. Most likely fix: replace the outlet temperature sensor or repair its wiring.
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Navien E006 Error Code - Causes & Fix
E006 means the heating supply outlet thermistor is shorted. Most units need a new thermistor after checking wiring and connectors.
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Navien E004 Error Code - Causes & Fix
E004 means false flame detection. Check for vent blockages and clean the flame rod first-most common fix for this safety lockout.
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Lennox E204 Error Code - Causes & Fix
E204 means blower motor communication fault. Most often fixed by repairing damaged wiring harness or replacing the blower motor.
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Lennox E205 Error Code - Causes & Fix
E205 means gas valve control relay contact shorted. Check wiring at the control board and gas valve, then replace the control if wiring is OK.
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Lennox E125 Error Code - Causes & Fix
E125 means the integrated control board failed its self-check due to internal hardware fault. Most cases need board replacement.
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Bosch Dishwasher E14 Error Code - Causes & Fix
E14 means the flow meter is not reporting water moving in. Clean the inlet screen, then suspect the reed switch flow sensor.
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Bosch Dishwasher E13 Error Code - Causes & Fix
E13 means the incoming water is too hot. Confirm the dishwasher is plumbed to a cold line, then check the water temperature sensor.
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Bosch Dishwasher E25 Error Code - Causes & Fix
E25 means the drain pump is blocked or its cover is loose. Clear the impeller, reseat the cover, and check the non-return valve.
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Frigidaire Oven F11 Error Code - Causes & Fix
Frigidaire F11 is a shorted keypad fault, the control reads a stuck key. Reset power, dry the panel, then replace the keypad or control board.
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Frigidaire Oven F90 Error Code - Causes & Fix
Frigidaire F90 means the door unlock timed out after self-clean. The usual fix is replacing the motor door latch assembly that runs the lock.
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Frigidaire Refrigerator SH Error Code - Causes & Fix
SH means a temperature sensor has shorted. The fix is usually testing the thermistor and replacing it if the resistance reading is wrong.
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GE Dishwasher C5 Error Code - Causes & Fix
C5 means the dishwasher underfilled or pumped out too fast. Most often a low water supply or a clogged water inlet valve.
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GE Oven F0 Error Code - Causes & Fix
GE oven F0 means a stuck key or shorted touch panel. Most fixes start by reseating the ribbon cable, then replacing the control panel.
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GE Oven F4 Error Code - Causes & Fix
GE oven F4 means the temperature sensor reads shorted, under about 950 ohms. The common fix is replacing the RTD oven temperature sensor.
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GE Oven FC Error Code - Causes & Fix
GE oven FC is a door lock circuit fault, often during self clean. The usual fix is freeing the latch or replacing the door lock motor assembly.
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GE Oven FD Error Code - Causes & Fix
GE oven FD points to the meat probe or its receptacle. Start by unplugging the probe, and if FD clears, replace the meat probe.
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GE Refrigerator CC Error Code - Causes & Fix
CC means the control cannot keep the fridge at the set temperature. The common fix is a new thermistor, inverter board, or main control board.
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GE Refrigerator CF Error Code - Causes & Fix
CF means a communication failure between the main control board and the user interface. The common fix is repairing wiring or replacing a board.
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GE Refrigerator CI Error Code - Causes & Fix
CI means the ice maker is not operating correctly and is not making ice. The common fix is a new water inlet valve or ice maker assembly.
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GE Refrigerator HS Error Code - Causes & Fix
HS means the humidity sensor near the crisper is reading out of range. The common fix is replacing the humidity sensor or its wiring.
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KitchenAid Dishwasher F2E2 Error Code - Causes & Fix
KitchenAid F2E2 means the user interface cannot talk to the control board. Reseat the ribbon and harness, then replace the failed board.
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KitchenAid Dishwasher F3E1 Error Code - Causes & Fix
KitchenAid F3E1 points to a thermistor or OWI sensor failure. Clean the sensor first, then replace the thermistor and OWI if it stays.
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KitchenAid Dishwasher F5E1 Error Code - Causes & Fix
KitchenAid F5E1 means the control does not see the door latched. The common fix is the door latch and switch assembly or its wiring.
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KitchenAid Dishwasher F6E2 Error Code - Causes & Fix
KitchenAid F6E2 flags a water inlet valve failure. The fix is usually a clogged inlet screen, a wiring fault, or a new inlet valve.
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KitchenAid Dishwasher F8E1 Error Code - Causes & Fix
KitchenAid F8E1 means a slow drain. Clear the drain path and filter first, then test or replace the drain pump if water still lingers.
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KitchenAid Dishwasher F9E1 Error Code - Causes & Fix
KitchenAid F9E1 means the control cannot detect the diverter disc position. The common fix is the diverter motor and disc assembly.
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LG Dishwasher E1 Error Code - Causes & Fix
E1 means your LG dishwasher detected a leak and the float switch tripped. Dry the base, fix the leak, then replace the float switch assembly.
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LG Dishwasher HE Error Code - Causes & Fix
HE means your LG dishwasher cannot heat the water properly. Power cycle first, then test the heating element and replace it if it has no continuity.
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LG Dishwasher LE Error Code - Causes & Fix
LE is a locked motor error on your LG dishwasher. Clear debris from the wash impeller and check wiring, then replace the circulation pump motor.
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LG Oven F7 Error Code - Causes & Fix
F7 means the upper convection fan is not turning as expected. The most likely fix is replacing the convection fan motor.
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LG Refrigerator CO Error Code - Causes & Fix
CO means the main board and display board are not talking. Check the harness between them, then replace the failed board.
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LG Refrigerator FS Error Code - Causes & Fix
FS means the freezer temperature sensor is shorted or open. The fix is usually a new freezer thermistor after checking the wiring.
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LG Refrigerator IS Error Code - Causes & Fix
IS points to the ice maker sensor or fan in the in-door ice maker. Check the door wiring first, then replace the ice maker assembly.
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Samsung Dishwasher 3E Error Code - Causes & Fix
3E means the incoming water is too hot. Lower the water heater feed or check the temperature sensor that reads the inlet.
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Samsung Dishwasher 3C Error Code - Causes & Fix
3C means the wash circulation pump is not running right. Check for a jammed impeller and debris first, then test the pump motor.
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Samsung Dishwasher 9E Error Code - Causes & Fix
9E means the dishwasher detects a low water level during the wash. Check the supply and inlet valve, then the float switch.
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Samsung Dishwasher bE Error Code - Causes & Fix
bE means a button is stuck on the control panel. Clean the buttons first, then replace the panel or membrane if one stays pressed.
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Samsung Dishwasher LC Error Code - Causes & Fix
LC means the leak sensor in the base pan found moisture. Most fixes start by drying the pan and finding the drip source.
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Samsung Dishwasher OC Error Code - Causes & Fix
OC means the dishwasher detected too much water in the tub. Stop the cycle and check for a stuck inlet valve or a drain problem.
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Samsung Oven C-20 Error Code - Causes & Fix
C-20 means the oven temperature sensor is open or shorted. Most fixes come down to replacing the oven temperature sensor.
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Samsung Oven C-d0 Error Code - Causes & Fix
C-d0 means a key looks stuck or the door lock will not register. Clean the panel and latch first, then replace the lock or membrane.
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Samsung Oven E-08 Error Code - Causes & Fix
E-08 means the oven is not reaching the set temperature. A failed bake element is the most common cause on electric models.
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Samsung Oven E-OE Error Code - Causes & Fix
E-OE means the oven door lock did not move or report the right state. The fix is usually a new door lock motor and latch assembly.
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Samsung Oven E-54 Error Code - Causes & Fix
E-54 is a communication fault between the oven control board and the touch panel. Check the ribbon cables, then replace the board.
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Samsung Refrigerator 25E Error Code - Causes & Fix
25E flags an ice maker fault, often no water reaching the tray. A failing water inlet valve is a frequent cause and common replacement part.
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Samsung Refrigerator 2E Error Code - Causes & Fix
2E means the fridge compartment temperature sensor has failed or lost connection. Most repairs need a new fridge room thermistor after a reset.
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Samsung Refrigerator 88 Error Code - Causes & Fix
88 or 88 88 is a communication fault from a power surge or interrupted bootup. A long unplug often clears it, a damaged board needs replacement.
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Whirlpool Dishwasher F5E1 Error Code - Causes & Fix
F5E1 means the control sees a door switch fault. The most likely fix is replacing a worn door latch assembly so the door reads as closed.
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Whirlpool Dishwasher F6E2 Error Code - Causes & Fix
F6E2 means the water inlet valve has failed during fill. The most likely fix is replacing the inlet valve so the tub fills on command.
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Whirlpool Oven F5 E0 Error Code - Causes & Fix
F5 E0 means the door switch and latch switch disagree. The fix usually involves the door latch assembly or its switches and wiring.
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Whirlpool Oven F9 Error Code - Causes & Fix
F9 means the door latch will not lock or unlock as commanded. Cleaning or replacing the door latch assembly clears most F9 faults.
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Whirlpool Refrigerator dF Error Code - Causes & Fix
dF means a defrost failure with frost building on the coil. The usual fix is the defrost heater, defrost thermostat, or defrost sensor.
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Whirlpool Refrigerator E1 Error Code - Causes & Fix
E1 points to an open fresh food temperature sensor. After a reset, the usual fix is replacing the refrigerator thermistor.
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Whirlpool Refrigerator E5 Error Code - Causes & Fix
E5 points to an ice maker fill or sensing fault and usually no ice. The common fix is the ice maker assembly or the water inlet valve.
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Whirlpool Refrigerator E6 Error Code - Causes & Fix
E6 means the main control board and the display can no longer talk. The usual fix is reseating wiring then replacing the UI or control board.
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Whirlpool Refrigerator E9 Error Code - Causes & Fix
E9 is a freezer high temperature alarm. Start with the door seal and airflow, then check the evaporator fan motor and the freezer sensor.
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Bradford White 3 Flashes - Causes & Fix
3 flashes on a Bradford White gas water heater means a thermal well sensor or gas control fault. Most often the thermal well is damaged.
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LG Microwave F-11 Error Code - Causes & Fix
F-11 means inverter communication error. Most likely fix: replace the inverter board or check wiring between control and inverter.
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Kenmore Microwave F2 Error Code - Causes & Fix
F2 means thermistor short or keypad fault (varies by OEM). Most likely fix: check sensor wiring and resistance, then replace sensor or UI board.
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Whirlpool Washer F21 Error Code - Causes & Fix
F21 means your Whirlpool washer is not draining or draining too slowly. The usual fix is clearing a clogged drain pump filter or hose.
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Whirlpool Washer F9E1 Error Code - Causes & Fix
F9E1 means your Whirlpool washer is taking too long to drain. Start by clearing the drain pump filter and hose, then test the pump.
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LG Dryer HS Error Code - Causes & Fix
HS means the humidity or moisture sensor is faulty. The common fix is cleaning the sensor bars, then replacing them if the code stays.
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Maytag Washer F7E1 Error Code - Causes & Fix
F7E1 means the washer cannot reach the right drum speed. On top-load models the usual fix is replacing the shift actuator.
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Maytag Washer F8E1 Error Code - Causes & Fix
F8E1 means your Maytag is filling too slowly or not at all. The usual fix is clearing a clogged inlet screen or replacing the water inlet valve.
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Bradford White 5 Flashes Error Code - Causes & Fix
5 flashes on Bradford White gas water heaters means false pilot flame present. The pilot valve is stuck open and you need a new gas control.
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Whirlpool Microwave F7 Error - Causes & Fix
F7 means magnetron power or inverter fault on most Whirlpool inverter microwaves. Usually a failed inverter board or shorted magnetron.
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LG Dishwasher tE Error Code - Causes & Fix
tE error means the dishwasher's control detected a temperature-sensor fault. The thermistor or its wiring is usually the fix.
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Samsung Dishwasher HE Error Code - Causes & Fix
HE means the dishwasher can't heat water or detect temperature. Most often a bad heater, thermistor, or loose wiring.
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A.O. Smith E2 Error Code - Causes & Fix
E2 means over-temperature shutdown on A.O. Smith electric tankless heaters. Most common fix: replace the thermistor sensor.
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LG Washer LE Error Code - Causes & Fix
LE means the motor is overloaded and locked, so the tub won't spin. Usually caused by an overloaded wash or bad hall sensor.
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Rinnai Error Code 25 - Causes & Fix
Rinnai error code 25 means condensate backup has tripped the safety switch. Clear blocked drain lines or check the condensate pump.
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LG Microwave F-3 Error - Causes & Fix
F-3 on an LG microwave signals a control panel problem. Clean the touch buttons first, then reset power to clear the fault.
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GE Oven F7 Error Code - Causes & Fix
F7 means keypad or control-panel fault. Most often a stuck button, shorted membrane, or bad ribbon contact. Reseat or replace the keypad.
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LG Dishwasher IE Error Code - Causes & Fix
IE means not enough water entered within the expected fill time. Most often caused by a closed valve, kinked hose, or clogged inlet filter.
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Samsung 33E Error Code - Causes & Fix
Samsung 33E means the ice pipe heater that prevents the fill tube from freezing has failed. Most repairs need a new heater assembly.
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Kenmore Dryer F22 Error Code - Causes & Fix
F22 means the outlet thermistor circuit is open or out of range. Most often the outlet sensor itself has failed and needs replacement.
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Frigidaire E20 Error Code - Causes & Fix
E20 means drain fault: the washer can't evacuate water. Most common fix is to clean the pump filter and check the drain hose for clogs.
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Rinnai Code 12 - Flame Failure & Lost Flame Fix
Code 12 means flame failure or lost flame. Most often it's low gas pressure, a dirty flame rod, or a venting problem.
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Navien E003 Error - Ignition Failure Causes & Fix
E003 means your Navien tankless heater can't ignite the burner. Most often caused by low gas pressure, closed gas valve, or bad igniter.
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York Furnace 7 Flashes - Causes & Fix
York 7 flashes means low flame sense or ignition lockout. Most often a dirty flame sensor or clogged burner. Clean the sensor first.
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Goodman Furnace 1-Flash Error Code - Causes & Fix
1-flash code means ignition or flame failure. Most often caused by dirty flame sensor or weak igniter. Check gas supply and clean sensor.
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Samsung Microwave SE Error Code - Causes & Fix
SE means Key Short Error: a stuck or shorted keypad button. Power reset first, then clean the panel or replace the touchpad assembly.
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Samsung Range SE Error Code - Causes & Fix
SE means a stuck or shorted button on your Samsung range keypad. The usual fix is replacing the membrane touchpad assembly.
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Whirlpool Dishwasher F9E1 Error - Causes & Fix
F9E1 means your Whirlpool dishwasher can't drain. Check the disposer knockout plug, kinked drain hose, and blockages first.
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LG FF Error Code - Causes & Fix
FF means the freezer fan motor isn't running. Most often ice buildup locks the blades. Defrost manually and check door seals.
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Frigidaire SY EF Error Code - Causes & Fix
SY EF means evaporator fan fault. The control detects the fan motor is not running or the RPM signal is missing. Replace the fan motor.
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Samsung 22E Refrigerator Error - Causes & Fix
Samsung 22E means the evaporator fan motor isn't sending feedback to the control board. Most often caused by ice buildup or a failed fan.
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Samsung Washer 5E Error Code - Causes & Fix
5E means drain fault: water isn't emptying fast enough. Most common fix: clean the pump filter at the front lower panel.
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Samsung DC Error Code - Causes & Fix
DC error means unbalanced load. Redistribute laundry, level the washer, remove shipping bolts if present, and verify door lock function.
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Honeywell Thermostat E1 Error Code - Causes & Fix
E1 means replace the thermostat on TH1100/TH1110/TH1210 models. On other Honeywell units it signals a sensor or setup fault. Check wiring first.
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Whirlpool Washer F8 E1 Error Code - Causes & Fix
F8 E1 means your Whirlpool washer isn't sensing enough incoming water. Check water valves, inlet hoses, and screens first.
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Yaskawa GA800 E25 Fault - Causes & Fix
E25 on a Yaskawa GA800 means main circuit power establishment error. Learn causes, diagnostic steps, and when to call support.
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Yaskawa GA800 E18 Error - Causes & Fix
Yaskawa GA800 E18 (Back EMF Error) occurs when induced-voltage tuning results fall outside range. Fix motor data and rerun auto-tune.
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Yaskawa GA800 E14 Fault - Causes & Fix
E14 is not a documented GA800 fault code. Learn how to identify the correct fault, verify your drive model, and follow Yaskawa's reset procedure.
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Yaskawa GA800 E12 Fault Code - Causes & Fix
Yaskawa GA800 E12 (Er-12) is a current detection error. Learn the real causes, step-by-step diagnostics, and repair actions.
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Yaskawa GA800 E02 Fault - Causes & Fix
Yaskawa GA800 E02 (Er-02) is a minor fault caused by incorrect motor data during Auto-Tuning. Fix by verifying nameplate data and rerunning tuning.
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Danfoss FC302 ALARM 26 - Causes & Fix
ALARM 26 on Danfoss FC302 means brake resistor power limit exceeded. Learn causes, diagnostic steps, and fixes for this VFD fault.
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Danfoss FC302 Alarm 24 - Causes & Fix
Alarm 24 on the Danfoss FC302 drive means Safe Stop is active. Learn how to check external safety circuits, reset interlocks, and clear this fault.
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Danfoss FC302 ALARM 16 - Causes & Fix
ALARM 16 on a Danfoss FC302 VLT drive signals a line-to-line short circuit in the motor or motor cable. Step-by-step repair guide.
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Siemens Micromaster F0072 - Causes & Fix
Siemens Micromaster F0072 means no USS setpoint data on RS485 during telegram timeout. Fix RS485 wiring, controller, and comm boards.
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Siemens Micromaster F0071 - Causes & Fix
Siemens Micromaster F0071 means USS setpoint communication lost. Fix by checking master device, wiring, and comm parameters.
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Siemens Micromaster F0052 - Causes & Fix
Siemens Micromaster F0052 (Power stack fault) means the drive cannot read valid powerstack data. Learn causes, diagnostics, and repair.
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Siemens Micromaster F0051 - Causes & Fix
Siemens Micromaster F0051 means Parameter EEPROM Fault. Learn the reset sequence, factory restore steps, and when to replace the drive.
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Siemens Micromaster F0023 - Causes & Fix
Siemens Micromaster F0023 fault means one motor output phase is disconnected. Learn how to diagnose and repair this output fault.
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Siemens Micromaster F0021 - Causes & Fix
Siemens Micromaster F0021 means earth fault detected. The drive sees leakage current to ground exceeding 5% of nominal current.
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Siemens Micromaster F0011 - Causes & Fix
Siemens Micromaster F0011 means motor overtemperature. Learn the real causes, diagnostic steps, and parts to fix this thermal overload fault.
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Siemens G120 F01611 - Causes & Fix
Siemens G120 F01611 means a defect in a safety monitoring channel. Learn how to diagnose r0949, check safety wiring, and clear the fault.
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Siemens G120 A01590 Fault Code - Causes & Fix
A01590 is not a standard Siemens G120 code. Learn how to read the actual fault buffer, troubleshoot unknown alarms, and clear errors.
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Siemens G120 F01122 - Causes & Fix
Siemens G120 F01122 means frequency at the measuring probe input is too high. Learn the causes, diagnostic steps, and repair.
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Siemens G120 F01044 - Causes & Fix
Siemens G120 fault F01044 means a CU descriptive data error. Learn what triggers this memory fault and how to restore valid data or replace failed components.
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Siemens G120 F01034 - Causes & Fix
F01034 on Siemens G120 means parameter reference value change failed. Learn causes, diagnostic steps, and when to replace the Control Unit.
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Siemens G120 F01015 - Causes & Fix
Siemens G120 F01015 signals an internal software error in the drive control unit. Learn causes, power-on reset steps, and when to replace the Control Unit.
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Siemens G120 F01001 - Causes & Fix
Siemens G120 F01001 (FloatingPoint exception) is an internal software error. Learn the real causes and step-by-step repair.
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Siemens G120 F01000 - Causes & Fix
Siemens G120 fault F01000 means an internal software error in the drive's control electronics. Learn the reset procedure and when to replace the Control Unit.
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ABB ACS550 EFB 1 Fault - Causes & Fix
ABB ACS550 fault code 31 / EFB 1 is an embedded fieldbus protocol error. Meaning depends on your protocol. Fix comm issues, wiring, and master status.
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ABB ACS550 AI2 LOSS Fault - Causes & Fix
AI2 LOSS on the ABB ACS550 means analog input 2 signal is lost or below the minimum threshold. Fix wiring, check field device, and verify parameters.
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ABB ACS550 AI1 LOSS - Causes & Fix
ABB ACS550 AI1 LOSS means analog input 1 has fallen below the configured minimum or the signal is lost. Fix wiring, source, or parameters.
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ABB ACS580 FF63 - STO Diagnostics Failure Fix
ABB ACS580 FF63 means STO diagnostics failure (SW internal malfunction). Reboot the control unit or cycle power. If it returns, contact ABB.
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ABB ACS580 A7CE Fault Code - Causes & Fix
ABB ACS580 A7CE means embedded fieldbus (EFB) communication loss. Learn common causes, step-by-step diagnostics, and fixes.
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ABB ACS580 A5A0 Fault - Causes & Fix
ABB ACS580 A5A0 means Safe Torque Off is active. Learn the common wiring and safety-relay causes and how to restore STO signals.
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ABB ACS580 A0 Fault Code - Causes & Fix
ABB ACS580 A0 is likely a misread of A5A0 or 5091, meaning Safe Torque Off is active. Learn causes, diagnosis, and reset steps.
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ABB ACS580 A2A1 - Causes & Fix
A2A1 on the ABB ACS580 is an informative warning for current calibration, not a trip fault. Learn what it means and how to clear it.
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EcoSmart ECO 24 Error Codes - Causes & Fix
Decode EcoSmart ECO 24 error codes E1, E2, E3, E4, E5, and S103. Learn what each fault means and follow step-by-step repair procedures.
-
Daikin U8 Error Code - Causes & Fix
Daikin U8 error means communication fault between remote controllers. Learn causes, diagnostics, and repair steps for this transmission error.
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Daikin U7 Error Code - Causes & Fix
Daikin U7 means different faults across product lines. Room Air units show PCB mismatch, VRV systems show outdoor unit transmission failure.
-
Daikin U3 Error Code - Causes & Fix
Daikin U3 means check operation not executed or transmission error. Learn causes, wiring checks, test-run steps, and when to call a pro.
-
Daikin E2 Error Code - Causes & Fix
Daikin E2 means ground leakage on VRV/VRF systems or room sensor fault on some splits. Diagnose wiring, high-pressure switch, and thermistor.
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Siemens VFD F1 Fault - Causes & Fix
Siemens F1 (F0001) overcurrent fault on SINAMICS V20 drives: causes, diagnostics, parameter checks, and step-by-step repair.
-
Carrier Error Code 17 - Causes & Fix
Carrier error code 17 often means VFD System Fault - High Line Voltage on inverter models. Learn causes, diagnostic steps, and repair.
-
Best CNC Touch Probe (2026) — 3 Tested Picks for Setup and Inspection
For most shops running Haas, Mazak, DMG-MORI, or Okuma machining centers, the Renishaw OMP60 is the touch probe to buy — proven optical signal, ±1 µm...
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Doosan / DN Solutions Alarm 302 — APC Fix
Doosan (now DN Solutions, after the 2022 rebrand) alarm 302 on the Fanuc-controlled VMC, HMC, and Mynx machining centers indicates an APC (Automatic Pallet...
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Fanuc Alarm 430 — Servo Motor Overheat Fix
Fanuc Alarm 430 (Servo Motor Overheat, with axis name) means the thermistor inside the named servo motor's stator winding exceeded the trip threshold —...
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Fanuc vs Mazak CNC Controls — A Machinist's Honest Comparison (2026)
If your shop runs job-shop work with frequent program changes, varied materials, and operators with mixed experience levels, buy a Mazak — the SMOOTH...
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Haas Alarm 219 — X-Axis Servo Error Fix
Haas Alarm 219 (X-Axis Servo Error) on NGC machines is the X-axis-specific servo position-loop fault — distinct from the generic Alarm 114 (Servo Error Too...
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Mazak Matrix Alarm 1041 — Battery Voltage Drop / Encoder Battery Fix
Mazak Matrix Alarm 1041 (Battery Voltage Drop) is a warning that the absolute encoder backup battery has dropped below the low-voltage threshold — about...
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Mazak Alarm 218 — Spindle Motor Overheat Fix
Mazak Alarm 218 (Spindle Motor Overheat) fires when the thermistor embedded in the spindle motor stator windings exceeds the trip threshold — typically...
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Mazak Alarm 415 — Position Detector Error Fix
Mazak Alarm 415 (Position Detector Error) means the servo drive lost a clean signal from the position encoder on one axis — either the absolute position...
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Mazak Servo Parameter Error Fix (Matrix, M-Plus, Smooth)
A Mazak servo parameter error (variously labeled "Servo Parameter Error," Alarm 1280, Alarm 13, "PARAM SET," or shown as a drive-side AL on the MDS...
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Mori Seiki / DMG MORI Alarm 3010 — Servo Error Fix
Mori Seiki / DMG MORI Alarm 3010 (sometimes formatted as "SV-3010" or "Servo Alarm 3010" in the OPERATOR screen) is a Fanuc servo amplifier error indicating...
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Okuma OSP Alarm 2202 — Spindle Fix
Okuma OSP control alarm 2202 (formatted as "2202 SPINDLE" or "2202-1" with axis sub-code) indicates the spindle drive amplifier has detected a fault during...
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Rheem Performance Platinum PDN Tankless Error Codes — Complete Fix Guide
Rheem Performance Platinum PDN tankless water heater error codes. Covers codes 10, 11, 12, 13, 14, 29, P1, and combustion/venting faults with step-by-step diagnosis.
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Fujimak Commercial Dishwasher Fault Codes — Guide
Updated:Fujimak commercial dishwasher fault codes: what each means and how to fix it.
-
Navien NFC Combi Boiler Error Codes: Complete Guide
Updated:Navien NFC combi boiler error codes and fault diagnostics. E-series error codes, causes, and technician-level troubleshooting procedures.
-
Noritz NR111 Tankless Water Heater Error Codes: Complete Guide
Updated:Noritz NR111 tankless water heater error codes and fault diagnostics. Error codes, causes, and technician-level troubleshooting procedures.
-
Pitco Commercial Fryer Error Codes — Guide
Updated:Pitco commercial fryer error codes: what each means and how to fix it.
-
Rinnai I120CN Tankless Water Heater Error Codes: Complete Guide
Updated:Rinnai I120CN tankless water heater error codes and fault diagnostics. Error codes, causes, and technician-level troubleshooting procedures.
-
WaterFurnace Series 7 Geothermal Error Codes: Complete Guide
Updated:WaterFurnace Series 7 geothermal heat pump error codes and fault diagnostics. IntelliZone2 fault codes, causes, and technician-level fixes.
-
Weil-McLain Ultra Series Boiler Error Codes: Complete Guide
Updated:Weil-McLain Ultra Series boiler error codes and fault diagnostics. E-series fault codes, causes, and technician-level troubleshooting procedures.
-
Winterhalter Dishwasher Fault Codes — Guide
Updated:Winterhalter commercial dishwasher fault codes: what each means and how to fix it.
-
Commercial Refrigerator Not Cooling - Emergency Diagnostic Guide
Commercial fridge stopped cooling? Step-by-step emergency diagnostic for restaurant walk-ins, reach-ins, and prep tables. Fix condenser coils, evaporator fans, and more before losing inventory.
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Commercial Ice Machine Repair vs. Replace: A Restaurant Owner's ROI Guide
Commercial ice machine repair cost: $150-$800 by component. Replacement: $2,500-$8,000. Age rule, energy savings, warranty factors. ROI calculator for restaurant owners making the call.
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Heat Pump Water Heater vs. Tankless: 2025 Cost and Efficiency Comparison
Heat pump water heaters cost $1,500 to $3,000 installed vs tankless at $1,200 to $2,500. Compare IRA rebates, energy factor ratings, space needs, and payback periods.
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Heat Pump vs. Gas Furnace: Total Cost Comparison and Decision Guide
Compare upfront costs, operating costs by region, climate suitability, IRA tax credits, and lifespan for heat pumps vs gas furnaces to make the right HVAC decision.
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Commercial Ice Machine Not Making Ice - Diagnostic Guide for All Brands
Commercial ice machine not making ice? Brand-agnostic diagnostic guide for Manitowoc, Scotsman, Hoshizaki, Ice-O-Matic. Fix water supply, condenser, harvest cycle issues fast.
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Tankless Water Heater vs. Tank: Cost, ROI, and Which to Choose
Tankless water heaters cost $800 to $1,500 vs tanks at $400 to $900 installed. Compare lifespan, energy savings, and installation complexity to pick the right one.
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Water Heater No Hot Water - Troubleshooting Guide for Gas and Electric
Water heater not producing hot water? Step-by-step diagnostic for gas and electric units. Covers pilot light, thermocouple, heating elements, thermostat, and more.
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Cleveland Range Steamer Error Codes — Complete Fix Guide
Cleveland Range steamer error codes for SteamCraft, convection steamers, and combi ovens. What each code means and how to fix it.
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Daikin Chiller Fault Codes — Complete Troubleshooting Guide
Daikin chiller fault codes for EWAD, EWAQ, and McQuay series. What each alarm means and how to fix it.
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Hussmann Refrigeration Case Error Codes — Complete Fix Guide
Hussmann refrigeration display case error codes for Impact and Quantum series. What each code means and how to fix it.
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Wolf Commercial Range Error Codes — Complete Fix Guide
Wolf commercial range and oven error codes for Wolf and Sub-Zero commercial equipment. What each code means and how to fix it.
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Copeland Scroll Compressor Fault Codes — Complete Troubleshooting Guide
Copeland scroll compressor fault codes for ZR, ZF, ZP, and ZS series. What each code means and how to fix it.
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Frymaster Fryer Error Codes — Complete Fix Guide
Frymaster fryer error codes for M4000, MJCF, MJH, and FPH series. What each code means and how to fix it.
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PTAC Error Codes — All Brands Complete Fix Guide
PTAC error codes for Amana, GE, LG, Islandaire, and Friedrich. What each code means and how to fix it.
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Sub-Zero Refrigerator Error Codes — Complete Fix Guide
Sub-Zero refrigerator error codes: what each code means and how to fix it. Covers 600, 700, and PRO series.
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Rational iCombi Classic & Pro Error Codes: E01, Service 20.x, 21, 26 Fixes
Every Rational iCombi Classic and iCombi Pro error code explained. E01 board fault, Service 20.x sensor codes, Service 21, Service 26, and legacy SCC WE codes. Step-by-step diagnosis with OEM part numbers for commercial kitchen technicians.
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Bosch Greentherm 9000/9800 Error Codes — Complete Fix Guide
Bosch Greentherm 9000 and 9800 error codes A0, C7, E9, BB explained. Diagnose and fix ignition failure, fan faults, and burner lockout on Bosch tankless heaters.
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Lochinvar Knight Boiler Error Messages — Complete Display Guide
Lochinvar Knight boiler display messages explained: Flame Fail Ign, Air Pressure SW, Fan Speed, Flow Switch LWCO, Fatal Error. Step-by-step diagnosis and fix guide.
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Navien Error Code E021 — Cold Water Inlet Thermistor Fault Fix
Navien error code E021 means the cold water inlet thermistor has an open circuit. Learn how to diagnose and replace the NTC sensor on NPE, NPN, and NCB series units.
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Navien Error Code E022 — Hot Water Outlet Thermistor Fault Fix
Navien E022 error code means the hot water outlet thermistor is shorted or open. Learn how to diagnose the NTC sensor and wiring on Navien NPE, NPN, and NCB models.
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Rinnai Error Code 07 — Heat Exchanger High Temperature Fix
Rinnai error code 07 means the secondary heat exchanger exceeded its temperature limit. Learn the causes, diagnosis steps, and fixes for non-SENSEI Rinnai models.
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Rinnai Error Code 10 — Condensate / Exhaust Blockage / Fan Motor Fault Fix
Rinnai error code 10 signals a condensate drain blockage, exhaust restriction, or fan motor failure on SENSEI and non-SENSEI series — here's how to diagnose and fix it.
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Rinnai Error Code 29 — System Communication Fault Fix
Rinnai error code 29 indicates a system or communication fault on Rinnai tankless water heaters. Learn how to diagnose PCB failure, sensor faults, and wiring issues.
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Lochinvar Boiler F08 Flame Failure Error — Causes and Fix
Lochinvar boiler F08 (Flame Failure) error code explained — causes, step-by-step diagnosis including flame sensor, igniter, and gas pressure checks, and fix guide.
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Hoshizaki Ice Machine E7 Error Code — High-Side Pressure Switch Fault Fix
Hoshizaki ice machine E7 error means the high-side pressure switch has tripped. Learn what causes high head pressure, how to diagnose, and when refrigerant work is needed.
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Hoshizaki Ice Machine E8 Error Code — Low-Side Pressure Switch Fault Fix
Hoshizaki ice machine E8 error means the low-side pressure switch has tripped, often indicating low refrigerant charge. Learn causes, diagnosis steps, and repair options.
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Hoshizaki Ice Machine E9 Error Code — Compressor Overload Fault Fix
Hoshizaki ice machine E9 error code means compressor overload or thermal cutout. Learn the causes, how to diagnose the compressor and start relay, and when to call a tech.
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Manitowoc Ice Machine E01 Error: Long Freeze Cycle Shutdown Causes and Fix
Manitowoc ice machine E01 error means a long freeze cycle timeout. Learn the causes and repairs for Indigo, Q Series, and S Series units.
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Manitowoc Ice Machine E05 HPC Fault: High Pressure Cutout Causes and Fix
Manitowoc ice machine E05 HPC fault means a high pressure cutout. Learn the fastest fixes for Indigo, Q Series, and S Series machines.
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Manitowoc Ice Machine E04 Error: High Condenser Temperature Causes and Fix
Manitowoc ice machine E04 error means high condenser temperature. Learn the fast cleaning and airflow fixes for Indigo, Q Series, and S Series.
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True Refrigerator Error Code E1 / P1: Thermostat Probe Failure Causes and Fix
True refrigerator E1 or P1 error means the cabinet thermostat probe failed. Learn how to test and replace the sensor on GDM and T Series units.
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True Refrigerator Error Code E2 / P2: Evaporator Probe Failure Causes and Fix
True refrigerator E2 or P2 error means the evaporator probe failed. Learn how to test and replace the sensor on GDM and T Series units.
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AO Smith Water Heater 3 Flashes — What It Means and How to Fix It
AO Smith water heater flashing 3 times? This means the pilot is out or won't stay lit. Here's how to diagnose the thermocouple and thermopile and fix it yourself.
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AO Smith Water Heater 4 Flashes — What It Means and How to Fix It
AO Smith water heater flashing 4 times indicates an igniter fault or flame sense failure. Learn what causes it, how to test the igniter, and which parts fix it.
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Furnace Filter Size Guide — How to Find the Right Size and MERV Rating
Not sure what furnace filter size you need? This guide shows you how to measure, read the label, understand MERV ratings, and pick the right filter for your system.
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Rheem Water Heater Blinking Light Codes — What Each Flash Means and How to Fix It
Rheem water heater status light blinking 1-9 times? This guide covers what each blink code means, step-by-step fixes, and which parts to replace.
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A.O. Smith Signature 900 Tankless Water Heater Error Codes - Full Fault Guide
Complete fault code guide for the A.O. Smith Signature 900 condensing tankless water heater, covering error codes E01 through E09, gas valve faults, heat exchanger issues, flow sensor failures, and step-by-step diagnosis. Written for homeowners and plumbing technicians.
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Bradford White Infiniti K Tankless Water Heater Error Codes
Full fault code reference for the Bradford White Infiniti K condensing tankless water heater, covering all error codes, condensate drain faults, scale sensor diagnostics, and controller troubleshooting with step-by-step repair guides.
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Eccotemp FVI12 Error Codes - What It Means and How to Fix It
Eccotemp FVI12 flush-mount indoor tankless water heaters share the i12 error architecture but add installation-specific airflow and access issues. This guide explains the common E1 through E9 codes and the fastest path to diagnosing them.
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Eccotemp i12 Error Codes - What It Means and How to Fix It
Eccotemp i12 indoor tankless water heaters use E1 through E9 codes to report ignition, flame, temperature, flow, and fan faults. This guide explains what each code usually means and how to diagnose the likely failed part.
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EcoSmart ECO 18 Electric Tankless Water Heater Error Codes
Complete error code guide for the EcoSmart ECO 18 electric tankless water heater, covering heating element faults, flow sensor errors, and temperature sensor failures — with key differences from the ECO 27 and ECO 36 models.
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EcoSmart ECO 27 Error Codes - What It Means and How to Fix It
EcoSmart ECO 27 electric tankless water heaters use E1, E2, E3, E4, and Err codes to report flow, sensor, heating element, and thermal cutoff faults. This guide shows what each code means and the parts most likely to fix it.
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EcoSmart ECO 36 Error Codes - What It Means and How to Fix It
EcoSmart ECO 36 electric tankless water heaters use the same core fault architecture as the ECO 27, but the higher-capacity unit has different flow, amperage, and heating element considerations. This guide explains each code and the repair steps that make sense on the 36kW platform.
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Heat Pump Defrost Mode - What It Is and When to Worry
Learn how heat pump defrost mode works, why steam may come off the outdoor unit, and how to tell normal winter operation from a real fault. Includes the signs of a stuck defrost cycle, auxiliary heat behavior, and the parts that commonly fail.
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Hoshizaki KM-2000SAJ Ice Machine Error Codes - Full Diagnostic Guide
Complete Hoshizaki KM-2000SAJ error codes E1 through E8, harvest fault diagnosis, and step-by-step repair guide for this high-capacity ice machine.
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Manitowoc Indigo NXT Ice Machine Complete Troubleshooting Guide
Complete troubleshooting guide for Manitowoc Indigo NXT ice machines, including major error codes, cleaning steps, harvest cycle faults, and bin control problems. Learn how to diagnose the common faults that stop production and what parts usually fix them.
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Manitowoc NEO Ice Machine Error Codes - What It Means and How to Fix It
Complete Manitowoc NEO series ice machine error code reference covering all fault codes, diagnostic steps, and fixes for NEO air-cooled and water-cooled cube ice machines.
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Navien NPE-240S Tankless Water Heater Error Codes - Full Fault Guide
Complete error code guide for the Navien NPE-240S condensing tankless water heater. Covers all fault codes, scale sensor alerts, secondary heat exchanger issues, and step-by-step fixes.
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Rheem RTEX Electric Tankless Water Heater Error Codes
Complete guide to Rheem RTEX series error codes E1-E4. Covers RTEX-13, RTEX-18, RTEX-24, and RTEX-36 fault diagnosis, heating element testing, and flow switch troubleshooting.
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Rheem RTGH-95DVLN Condensing Tankless Water Heater Error Codes
Complete error code reference for the Rheem RTGH-95DVLN condensing tankless water heater, covering all fault codes, secondary heat exchanger issues, condensate drain problems, and ignition failures. Written for homeowners and plumbing technicians.
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Rinnai RU130iN Tankless Water Heater Error Codes - Full Fault Guide
Complete error code reference for the Rinnai RU130iN condensing tankless water heater — the highest-capacity residential Rinnai unit. Covers all fault codes including Error 79 scale sensor, gas pressure faults, and advanced diagnostics.
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Scotsman C0830 Ice Machine Error Codes - Full Fault Reference
Scotsman C0830 ice machine error codes, LED diagnostic patterns, and step-by-step repair guide for this large-capacity undercounter unit.
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Scotsman Prodigy Plus Error Codes - What It Means and How to Fix It
Complete Scotsman Prodigy Plus ice machine error code reference covering all alert codes, diagnostic steps, and fixes for C0322, C0530, C0830, and related models.
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Takagi T-H3-DV Tankless Water Heater Error Codes - Indoor Direct Vent Fault Guide
Complete fault code guide for the Takagi T-H3-DV indoor condensing tankless water heater, covering error codes 11, 12, 14, 16, 31, 32, 33, 52, 61, 65, 72, 76, 91, 93, and 99. Includes diagnosis steps, replacement parts, and when to call a plumber.
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Takagi TK-340X3-NIH Commercial Tankless Water Heater Error Codes
Complete fault code reference for the Takagi TK-340X3-NIH condensing commercial tankless water heater, covering all error codes, condensate neutralizer faults, secondary heat exchanger diagnostics, and step-by-step repair procedures.
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True GDM-23 Error Codes - What It Means and How to Fix It
The True GDM-23 is a common single-door cooler that uses digital fault codes to flag sensor, defrost, and temperature control problems. This guide shows what the codes mean and what to inspect first.
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True GDM Error Codes - What It Means and How to Fix It
True GDM merchandisers use error codes to flag sensor, defrost, fan, and controller problems before product warms up. This guide explains the common codes and the field checks that solve them fastest.
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True T-72 Refrigerator Error Codes - Full Fault Guide
True T-72 three-door reach-in commercial refrigerator error codes, temperature sensor faults, fan and defrost failures, and step-by-step repair instructions.
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Turbo Air Refrigerator Error Code E5 - What It Means and How to Fix It
Turbo Air E5 error code indicates a condenser coil high temperature fault. Learn what causes it, how to diagnose, and what parts to replace to get your unit running.
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Best Furnace Igniter Replacement — Universal and Brand-Specific Picks
Furnace not igniting? Here's how to identify your igniter type, the best universal replacements by brand, and how to swap one in 15 minutes.
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Bradford White Water Heater Error Code 1 — Pilot Outage Fix
Bradford White error code 1 means the pilot light went out or failed to light. Here's how to diagnose the thermocouple, thermopile, and gas valve — with parts and costs.
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Furnace Repair or Replace? The Decision That Saves You Thousands
Use our age-and-cost rule to decide whether to repair your furnace or replace it. Includes repair cost ranges, red flags that mean replace now, and what a new furnace actually costs.
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Scotsman Ice Machine Error Code 5 — Freeze Cycle Timeout Causes & Fix
What Scotsman ice machine error code 5 means, why the freeze cycle times out, and how to fix it step by step.
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Beverage-Air Refrigerator Error Code E2 — Evaporator Sensor Causes & Fix
What Beverage-Air E2 means, why the evaporator sensor fails, and how to fix it step by step.
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Turbo Air Refrigerator Error Code E3 — Defrost Sensor Causes & Fix
What Turbo Air E3 means, why the defrost sensor fails, and how to fix it step by step.
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True Refrigeration E5 Error Code — Defrost Sensor Causes & Fix
What True Refrigeration E5 means, why the defrost sensor faults, and how to fix it step by step.
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Alto-Shaam Commercial Oven Error Codes — Guide
Alto-Shaam commercial oven error codes for Vector multi-cook and Combitherm ovens: what each means and how to fix it.
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Bosch Commercial Dishwasher E-Codes — Guide
Bosch commercial dishwasher E-codes: what each means and how to fix it.
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Coleman-Evcon Furnace Error Codes — Fault Code Diagnostic Guide
Complete guide to Coleman-Evcon furnace error codes, LED flash sequences, common fault causes, and step-by-step repair procedures for HVAC technicians.
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Ecolab Dishwasher Fault Codes — Guide
Ecolab commercial dishwasher fault codes: what each means and how to fix it.
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Furnace Error Code Lookup Tool: All Brands
Master furnace error code lookup guide covering Carrier, Goodman, Lennox, Trane, York, Rheem, Bryant, Heil, Amana, Coleman, and more.
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Hoshizaki DKM-500 Cube Dispenser Error Codes — Fault Code Diagnostic Guide
Complete guide to Hoshizaki DKM-500 cube dispenser error codes, diagnostic LED codes, common fault causes, and step-by-step repair procedures.
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Ice Machine Error Code Lookup: All Brands
Master ice machine error code lookup guide covering Hoshizaki, Manitowoc, Scotsman, Ice-O-Matic, Follett, and more.
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Ice-O-Matic GEM-0305 Error Codes — Fault Code Diagnostic Guide
Complete guide to Ice-O-Matic GEM-0305 ice machine error codes, diagnostic LED codes, common fault causes, and step-by-step repair procedures.
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Jackson Commercial Dishwasher Error Codes — Guide
Jackson commercial dishwasher error codes: what each means and how to fix it.
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Manitowoc ID-0502 Error Codes — Fault Code Diagnostic Guide
Complete guide to Manitowoc ID-0502 ice machine error codes, diagnostic display codes, common fault causes, and step-by-step repair procedures.
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Manitowoc IYT-0450 Error Codes — Fault Code Diagnostic Guide
Complete guide to Manitowoc IYT-0450 ice machine error codes, diagnostic display codes, common fault causes, and step-by-step repair procedures.
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Meiko Commercial Dishwasher Fault Codes — Guide
Meiko commercial dishwasher fault codes: what each means and how to fix it.
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Scotsman HID312 Error Codes — Fault Code Diagnostic Guide
Complete guide to Scotsman HID312 ice machine error codes, diagnostic display codes, common fault causes, and step-by-step repair procedures.
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Traulsen RLT Series Error Codes — Fault Code Diagnostic Guide
Complete guide to Traulsen RLT Series commercial refrigerator error codes, diagnostic codes, common fault causes, and step-by-step repair procedures.
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True T-23 Refrigerator Error Codes — Fault Code Diagnostic Guide
Complete guide to True T-23 commercial refrigerator error codes, diagnostic LED codes, common fault causes, and step-by-step repair procedures.
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Boiler Lockout Error Codes: All Brands Guide
Complete guide to boiler lockout error codes across Navien, Rinnai, Weil-McLain, Lochinvar, Burnham, Viessmann, and other common brands.
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Furnace Flashing Red Light: What It Means and How to Fix It
Complete guide to furnace flashing red light codes, including common flash patterns across Carrier, Goodman, Lennox, Trane, York, and Rheem furnaces.
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Hoshizaki KM-330 Error Codes — Fix Guide
Hoshizaki KM-330 ice machine error codes: what each means and how to fix it.
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Hoshizaki KM-515 Error Codes — Fix Guide
Hoshizaki KM-515 ice machine error codes: what each means and how to fix it.
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Manitowoc ID-0322 Error Codes — Fix Guide
Manitowoc ID-0322 ice machine error codes: what each means and how to fix it.
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Manitowoc IY-0454 Error Codes — Fix Guide
Manitowoc IY-0454 ice machine error codes: what each means and how to fix it.
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Navien NCB Combi Boiler Error Codes — Complete Fault Guide
Complete guide to Navien NCB combi boiler error codes, what each fault means, and step-by-step troubleshooting for heating and hot water failures.
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Navien NPE Series Error Codes — Tankless Water Heater Fault Guide
Complete guide to Navien NPE series tankless water heater error codes, what each fault means, and step-by-step troubleshooting for ignition, flow, and sensor failures.
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Noritz NRCP Series Error Codes — Condensing Tankless Fault Guide
Complete guide to Noritz NRCP series condensing tankless water heater error codes, fault causes, and step-by-step troubleshooting.
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Commercial Refrigeration Alarm Guide: Quick Reference
Quick-reference guide to commercial refrigeration alarms across walk-ins, display cases, controllers, and ice machines, including common meanings and first checks.
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Rinnai CBU Combi Boiler Error Codes — Complete Fault Guide
Complete guide to Rinnai CBU series combi boiler error codes, fault causes, and step-by-step troubleshooting for heating and domestic hot water failures.
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Rinnai RUR Series Error Codes — Tankless Water Heater Fault Guide
Complete guide to Rinnai RUR series condensing tankless water heater error codes, fault causes, and step-by-step troubleshooting for the most common failures.
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Scotsman C0522 Error Codes — Fix Guide
Scotsman C0522 ice machine error codes: what each means and how to fix it.
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Weil-McLain ECG Boiler Error Codes — Complete Fault Guide
Complete guide to Weil-McLain ECG series gas boiler error codes, fault causes, and step-by-step troubleshooting for the most common heating system failures.
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Emerson/Alco Controls EEV Fault Codes — Troubleshooting Guide
Emerson and Alco Controls electronic expansion valve fault codes: controller alarms, superheat problems, stepper valve faults, and repair steps.
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Heatcraft ZER/ZR Series Unit Cooler Alarms — Troubleshooting Guide
Heatcraft ZER and ZR series unit cooler alarm codes and controller faults: sensor errors, defrost alarms, fan issues, and fix steps.
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Johnson Controls Penn Commercial Controls Fault — Troubleshooting Guide
Johnson Controls Penn commercial controls faults for A421, A350, P70, and pressure/temperature controls: common alarms, causes, and repair steps.
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Lincoln Impinger Conveyor Oven Fault Codes — Complete Guide
Lincoln Impinger conveyor oven fault codes and error messages for Models 1000, 1100, 1600, and 2000 series: causes and troubleshooting steps.
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Manitowoc Ice Machine Complete Troubleshooting Guide — All Error Codes
Complete Manitowoc ice machine troubleshooting guide covering all error codes for Indigo, NEO, and S-Series machines: causes and fix steps.
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Middleby Marshall Oven Fault Codes — PS528 / PS536 Guide
Middleby Marshall conveyor oven fault codes for PS528, PS536, and WOW series ovens: error codes, causes, and step-by-step troubleshooting.
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Penn Commercial Controls Fault Codes — Quick Troubleshooting Guide
Penn commercial controls fault codes and safety trips for pressure controls, temperature controls, and refrigeration cutouts with common causes and fixes.
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Scotsman Ice Machine Complete Troubleshooting Guide — All Error Codes
Complete Scotsman ice machine troubleshooting guide for HC, HID, Prodigy, and Prodigy+ series: all error codes, blink codes, causes, and fix steps.
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TurboChef Rapid Cook Oven Fault Codes — Sota / Encore Guide
TurboChef rapid cook oven fault codes for Sota, Encore, and i5 series: error messages, causes, and troubleshooting for commercial rapid cook ovens.
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Alco Controls EXV Fault Codes - Complete Guide
Alco Controls (Emerson) electronic expansion valve fault codes for EX series controllers: causes and troubleshooting steps.
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Carel IR33 Controller Fault Codes - Complete Guide
Carel IR33 refrigeration controller fault codes and alarm codes: causes, reset procedures, and repair guidance.
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Emerson E2 Refrigeration Controller Error Codes - Complete Guide
Emerson (Copeland) E2 refrigeration controller error codes and alarms for supermarket and cold storage: causes and fix steps.
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Sporlan Electronic Expansion Valve Fault Codes - Complete Guide
Sporlan (Parker) electronic expansion valve and SEI controller fault codes: causes, diagnostic steps, and repair guidance.
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Aprilaire Dehumidifier Error Codes — Complete Guide
Aprilaire dehumidifier error codes for models 1700, 1710, 1750, 1850, and E100: fault codes, causes, and fixes for whole-home dehumidifiers.
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Bell & Gossett Pump Fault Codes — Complete Guide
Bell & Gossett pump fault codes for e-80, ecocirc, Series 100, and e-series circulators: LED fault indicators, causes, and fixes for B&G hydronic pumps.
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Taco Variable Speed Pump Fault Codes — Complete Guide
Taco variable speed pump fault codes for 00-VR3, VR series, and Taco Comfort Solutions circulators: LED faults, error codes, and step-by-step fixes.
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Watts Regulator Error Codes — Complete Guide
Watts regulator and valve error codes for water pressure regulators, backflow preventers, and mixing valves: fault indicators, failure modes, and fixes.
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American Water Heater Error Codes — Complete Guide
American Water Heater error codes for gas, electric, and power vent models. Decode LED flash codes and digital display errors to fix your American water heater.
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A.O. Smith Water Heater E1 Error Code — Sensor Fault Guide
A.O. Smith water heater E1 error means a temperature sensor fault. This guide covers gas and electric models, sensor testing, and how to fix or replace the sensor.
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Bradford White Error Code 7 — Pilot Out
Bradford White error code 7 means the pilot went out or failed to light. Here's how to relight it, test the thermocouple, and fix recurring pilot outages.
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Burnham Boiler E4 Error Code — Flame Loss During Operation
Burnham boiler E4 error means the flame went out during operation. Learn the common causes — gas pressure, flame sensor, and draft — and how to fix it.
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Garland Commercial Oven Error Codes — Guide
Garland commercial oven error codes: what each means and how to fix it.
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Henny Penny Fryer Error Codes — Guide
Henny Penny commercial fryer error codes: what each means and how to fix it.
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Lochinvar Boiler Error Code E03 — High Limit Tripped
Lochinvar E03 error means the high limit switch opened due to overtemperature. Learn why this happens on Knight and Crest boilers and how to fix it.
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Frymaster Commercial Fryer Error Codes — Guide
Frymaster commercial deep fryer error codes: what each means and how to fix it.
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Rheem Water Heater Error Codes — Complete Guide
Rheem water heater error codes for gas, electric, and tankless models. Decode the flashing LED, digital display codes, and app alerts to fix your water heater fast.
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State Water Heater Error Codes — Complete Guide
State water heater error codes for gas, electric, and heat pump models. Decode LED flash codes and digital display errors to diagnose and fix your State water heater.
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Vulcan Commercial Oven Error Codes — Guide
Vulcan commercial oven error codes: what each means and how to fix it.
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Weil-McLain E05 Error Code — Sensor Fault
Weil-McLain E05 error means a temperature sensor fault on the boiler. Learn which sensor triggered E05, how to test it, and whether to repair or replace.
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Weil-McLain E06 Error Code — Ignition Lockout
Weil-McLain E06 means the boiler failed to establish flame after multiple ignition attempts and entered lockout. Here's how to diagnose and reset it.
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Welbilt Ice Machine Error Codes — Guide
Welbilt ice machine error codes (Manitowoc and Multiplex brands): what each code means and how to fix it.
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A.O. Smith Water Heater Error Codes Guide
Complete A.O. Smith water heater error code guide. Covers Vertex, Voltex, ProLine tankless, and commercial models with fault codes and technician fixes.
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Bohn Refrigeration Error Code Guide — Causes & Fixes
Bohn unit cooler error codes: what each alarm means and how to fix it.
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Bradford White Water Heater Error Codes Guide
Complete Bradford White water heater error code guide. Covers Infiniti, eF, and Defender series fault codes with diagnostic steps and technician fixes.
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Commercial Combi Oven Error Codes — Rational & Alto-Shaam Guide
Commercial combi oven error codes for Rational and Alto-Shaam: what each code means and how to fix it.
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Heatcraft Walk-In Cooler Error Code Guide — Causes & Fixes
Heatcraft walk-in cooler and freezer error codes: what each alarm means and how to fix it.
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Hobart Commercial Dishwasher Error Codes — Guide
Hobart commercial dishwasher error codes: what each code means and how to fix it.
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Hussmann Walk-In Cooler Error Code Guide — Causes & Fixes
Hussmann walk-in cooler and freezer error codes: what each code means and how to fix it.
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Larkin Refrigeration Error Code Guide — Causes & Fixes
Larkin unit cooler error codes: what each alarm means and how to fix it.
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Navien Error Code E024 — Overheat / High Temperature Cutoff
Navien tankless water heater Error Code E024 means the unit has detected an overheat condition. Learn causes, diagnostic steps, and how to fix Navien E024.
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Noritz Error Code 20 — Low Water Flow
Noritz tankless water heater Error Code 20 means low water flow or a water flow sensor fault. Learn causes, diagnostic steps, and how to fix Noritz Error 20.
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Commercial Refrigeration Error Codes — Master Guide
Commercial refrigeration error codes for walk-in coolers, reach-ins, and ice machines: what each code means and how to fix it.
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Rinnai Error Code 52 — Outlet Water Temperature Sensor Fault
Rinnai tankless water heater Error Code 52 means the outlet water temperature sensor has failed. Learn causes, diagnostic steps, and the fix.
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Rinnai Error Code 65 — Water Flow Rate Fault
Rinnai tankless water heater Error Code 65 means insufficient water flow or a water flow sensor fault. Learn causes, diagnostic steps, and how to fix it.
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WaterFurnace Geothermal Fault Code 1 — Low Pressure Lockout
WaterFurnace geothermal heat pump Fault Code 1 means low refrigerant pressure lockout. Learn the causes, diagnostic steps, and how to fix this geothermal fault.
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Hoshizaki KM-1301 Error Codes — Complete Guide
Hoshizaki KM-1301 error codes: freeze cycle, harvest cycle, thermistor, and water system faults with causes and fixes.
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Ice-O-Matic GEMU090 Error Codes — Causes & Fix
What Ice-O-Matic GEMU090 faults mean, why they happen, and how to troubleshoot this undercounter pearl ice machine.
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Manitowoc Indigo Ice Machine Error Codes — Complete Guide
Manitowoc Indigo error codes: safety limits, temperature faults, and water system alarms with causes and fixes.
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Navien Tankless Water Heater Error Codes — Complete Guide
Navien error codes: all E001–E302 fault codes explained with causes and step-by-step fixes for NPE and NHB series.
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Noritz Tankless Water Heater Error Codes — All Codes Guide
Noritz error codes: complete fault code list for NRCP, NRC, NR, EZ series tankless water heaters with causes and fixes.
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Nor-Lake Refrigerator Error Code E1 — Causes & Fix
What Nor-Lake Refrigerator E1 means, why it happens, and how to fix it step by step.
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Rheem Classic Series Furnace Error Codes — Complete Guide
Rheem Classic and Classic Plus furnace error codes: all flash codes with meanings and repair steps for R801T, R96V, and Classic series models.
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Rinnai Tankless Water Heater Error Codes — Complete Guide
Rinnai error codes: all fault codes 11–79 explained with causes and fixes for RU, RL, RH, and RX series tankless water heaters.
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Scotsman HID525 Error Codes — Complete Guide
Scotsman HID525 error codes: common alarm conditions, causes, and fixes for this hotel-style ice dispenser.
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True T-49 Refrigerator Error Codes — Complete Guide
True T-49 refrigerator error codes: common controller alarms, causes, and fixes for this two-door commercial reach-in.
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Turbo Air Freezer Error Code E2 — Causes & Fix
What Turbo Air Freezer E2 means, why it happens, and how to fix it step by step.
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Victory Refrigeration Error Code E1 — Causes & Fix
What Victory Refrigeration E1 means, why it happens, and how to fix it step by step.
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AirEase Furnace E1 Error Code — Causes & Fix
What AirEase furnace error code E1 means, why the system locks out, and how to fix it step by step.
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Burnham Boiler E2 Error Code — Causes & Fix
What Burnham boiler error code E2 means, why the pressure switch faults, and how to fix it step by step.
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Continental Refrigerator Error Code E1 — Causes & Fix
What Continental Refrigerator E1 means, why it happens, and how to fix it step by step.
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Comfortmaker Furnace E4 Error Code — Causes & Fix
What Comfortmaker furnace error code E4 means, why ignition fails, and how to fix it step by step.
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Delfield Refrigerator Error Code E1 — Causes & Fix
What Delfield refrigerator error code E1 means, why the temperature sensor faults, and how to fix it step by step.
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Ducane Furnace E1 Error Code — Causes & Fix
What Ducane furnace error code E1 means, why the pressure switch faults, and how to fix it step by step.
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Follett Ice Machine Error Code E3 — Causes & Fix
What Follett Ice Machine E3 means, why it happens, and how to fix it step by step.
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Gibson Furnace E1 Error Code — Causes & Fix
What Gibson furnace error code E1 means, why the pressure switch faults, and how to fix it step by step.
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Heil Furnace E2 Error Code — Causes & Fix
What Heil furnace error code E2 means, why the pressure switch sticks closed, and how to fix it step by step.
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Hoshizaki F2 Error Code — Ice Full Sensor Fault Causes & Fix
What Hoshizaki error code F2 means, why the ice full sensor faults, and how to fix it step by step.
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Ice-O-Matic Error Code E3 — Causes & Fix
What Ice-O-Matic Error Code E3 means, why it happens, and how to fix it step by step.
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Manitowoc Ice Machine Error Code 10 — Ice Full Sensor Causes & Fix
What Manitowoc ice machine error code 10 means, why the ice full sensor faults, and how to fix it step by step.
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Master-Bilt Refrigerator Error Code 1 — Causes & Fix
What Master-Bilt Error Code 1 means, why it happens, and how to fix it step by step.
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Nordyne Furnace E4 Error Code — Causes & Fix
What Nordyne furnace error code E4 means, why ignition locks out, and how to fix it step by step.
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Payne Furnace 33 Error Code — Causes & Fix
What Payne furnace error code 33 means, why the limit device trips, and how to fix it step by step.
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Payne Furnace 31 Error Code — Causes & Fix
What Payne furnace error code 31 means, why it happens, and how to fix the pressure switch fault step by step.
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Scotsman Ice Machine Error Code 7 — Causes & Fix
What Scotsman Error Code 7 means, why it happens, and how to fix it step by step.
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Tempstar Furnace E4 Error Code — Causes & Fix
What Tempstar furnace error code E4 means, why the limit circuit opens, and how to fix it step by step.
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True Refrigeration E4 Error Code — Causes & Fix
What True Refrigeration error code E4 means, why the defrost heater faults, and how to fix it step by step.
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Westinghouse Furnace E1 Error Code — Causes & Fix
What Westinghouse furnace error code E1 means, why the system locks out, and how to fix it step by step.
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Bryant Furnace 31 Error Code — Pressure Switch Open
What the Bryant furnace 31 error code means, why the pressure switch fault triggers, and how to fix it step by step.
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Bryant Furnace 33 Error Code — Limit Device Lockout
What the Bryant furnace 33 error code means, why the limit switch trips, and how to fix it step by step.
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Follett Horizon Elite Error Code Guide — Causes & Fixes
Follett Horizon Elite ice machine error codes: what each code means and how to fix it.
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Heatcraft Refrigeration Alarm 3 — High Discharge Temperature
What Heatcraft Refrigeration Alarm 3 means, why discharge temperature goes high, and how to fix it step by step.
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Hoshizaki F1 Error Code — Causes & Fix
What Hoshizaki F1 means, why it happens, and how to fix it step by step.
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Hussmann Display Case E2 Error Code — Defrost Circuit Fault
What the Hussmann display case E2 error code means, why the defrost circuit fault triggers, and how to fix it step by step.
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Ice-O-Matic Error Code E1 — Causes & Fix
What Ice-O-Matic Error Code E1 means, why it happens, and how to fix it step by step.
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Luxaire Furnace E1 Error Code — System Lockout
What the Luxaire furnace E1 error code means, why the system locks out, and how to fix it step by step.
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Manitowoc Ice Machine Error Code 9 — Causes & Fix
What Manitowoc Error Code 9 means, why it happens, and how to fix it step by step.
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Manitowoc NEO Ice Machine Error Code Guide — Causes & Fixes
Manitowoc NEO ice machine error codes: what each code means and how to fix it step by step.
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Ruud Furnace 4 Flashes — High Limit Switch Fault
What 4 flashes on a Ruud furnace means, why the high limit switch trips, and how to fix it step by step.
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Ruud Furnace 7 Flashes — Low Flame Signal
What 7 flashes on a Ruud furnace means, why the flame sensor produces a low signal, and how to fix it step by step.
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Scotsman Prodigy Plus Error Code Guide — Causes & Fixes
Complete guide to Scotsman Prodigy Plus ice machine error codes, what each means, and how to fix them.
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Tyler Refrigeration Error Code 1 — High Temperature Alarm
What Tyler Refrigeration Error Code 1 means, why the high temperature alarm triggers, and how to fix it step by step.
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Hoshizaki Ice Machine E8 Error Code — Causes & Fix
What Hoshizaki E8 low-side pressure switch fault means, why it trips, and how to diagnose and fix it step by step.
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Hoshizaki KM Series E1 Error Code — Causes & Fix
What Hoshizaki KM Series E1 means, why it happens, and how to fix it step by step.
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Manitowoc Ice Machine E01 Error Code — Causes & Fix
What Manitowoc E01 long freeze cycle means, why it shuts down, and how to diagnose and fix it step by step.
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Manitowoc Ice Machine E04 Error Code — Causes & Fix
What Manitowoc E04 high condenser temperature means, why it trips, and how to fix it step by step.
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Noritz Error Code 90 — Causes & Fix
What Noritz error code 90 combustion fan fault means, why it trips, and how to diagnose and fix it step by step.
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Rinnai Error Code 11 No Ignition — Causes & Fix
What Rinnai error code 11 no ignition lockout means, why it trips, and how to diagnose and fix it step by step.
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True Refrigeration T-Series Error Codes — Complete Fix Guide
True T-Series commercial refrigerator error codes (T-49, T-72, T-23): what each code means and how to fix it.
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Weil-McLain Boiler Error Code E10 — Causes & Fix
What Weil-McLain E10 low water pressure means, why it trips, and how to fix it step by step.
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Weil-McLain Boiler Error Code E08 — Causes & Fix
What Weil-McLain E08 DHW sensor fault means, why it trips, and how to diagnose and fix it step by step.
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Comfortmaker Furnace E1 Error Code — Causes & Fix
What Comfortmaker furnace E1 error code means, why the system locks out, and how to fix it step by step.
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Heil Furnace E4 Error Code — Causes & Fix
What Heil furnace E4 error code means, why the limit circuit opens, and how to fix it step by step.
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Hoshizaki F01 Error Code — Causes & Fix
What Hoshizaki F01 error code means, why abnormal ice making operation triggers, and how to fix it step by step.
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Manitowoc Ice Machine Error Code 7 — Causes & Fix
What Manitowoc ice machine error code 7 means, why bin thermostat faults trigger, and how to fix it step by step.
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Navien Error Code E007 — Causes & Fix
What Navien error code E007 means, why hot water outlet temperature is too high, and how to fix it step by step.
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Noritz Error Code 29 — Causes & Fix
What Noritz error code 29 means, why exhaust overheat triggers, and how to fix it step by step.
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Rinnai Error Code 33 — Causes & Fix
What Rinnai error code 33 means, why exhaust overheat triggers, and how to fix it step by step.
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Scotsman Ice Machine Error Code 6 — Causes & Fix
What Scotsman ice machine error code 6 means, why long harvest occurs multiple times, and how to fix it step by step.
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Tempstar Furnace E1 Error Code — Causes & Fix
What Tempstar furnace E1 error code means, why the pressure switch faults, and how to fix it step by step.
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True Refrigeration E3 Error Code — Causes & Fix
What True refrigeration E3 error code means, why defrost termination faults, and how to fix it step by step.
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Weil-McLain E04 Error Code — Causes & Fix
What Weil-McLain E04 error code means, why the sensor faults, and how to fix it step by step.
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American Standard Furnace 3 Flash Error Code — Causes & Fix
What 3 flashes on an American Standard furnace means, why the pressure switch faults, and how to diagnose and fix it.
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Beverage-Air Refrigerator Error Code E1 — Causes & Fix
What Beverage-Air E1 means, why it happens, and how to fix it step by step.
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Burnham Boiler E5 Error Code — Causes & Fix
What Burnham boiler error code E5 means, why a sensor fault occurs, and how to diagnose and fix the temperature sensor.
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Gree Mini Split E1 Error Code — Causes & Fix
What Gree mini split error code E1 means, why high pressure protection trips, and how to diagnose and fix it.
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Hoshizaki E9 Error Code — Causes & Fix
What Hoshizaki E9 error code means, why the evaporator temperature sensor faults, and how to diagnose and fix it.
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Lochinvar Boiler Error Code E04 — Causes & Fix
What Lochinvar boiler error code E04 means, why the high limit trips, and how to diagnose and reset safely.
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Manitowoc Ice Machine Error Code 5 — Causes & Fix
What Manitowoc Error Code 5 means, why it happens, and how to fix it step by step.
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Traulsen Refrigerator Error Code E1 — Causes & Fix
What Traulsen E1 means, why it happens, and how to fix it step by step.
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Turbo Air Refrigerator Error Code E1 — Causes & Fix
What Turbo Air E1 means, why it happens, and how to fix it step by step.
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Weil-McLain E03 Error Code — Causes & Fix
What Weil-McLain error code E03 means, why the third ignition attempt fails, and how to diagnose and restore ignition.
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Armstrong Furnace E4 Error Code — Causes & Fix
What Armstrong furnace E4 means, why ignition fails repeatedly, and how to fix it step by step.
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Coleman Furnace E2 Error Code — Causes & Fix
What Coleman furnace E2 means, why the pressure switch faults, and how to diagnose and fix it.
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Heil Furnace E1 Error Code — Causes & Fix
What Heil furnace E1 means, why the pressure switch faults, and how to diagnose and fix it.
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Hoshizaki E6 Error Code — Causes & Fix
What Hoshizaki ice machine error code E6 means, why the refrigerant circuit faults, and how to fix it.
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ICP Furnace E4 Error Code — Causes & Fix
What ICP/Heil furnace E4 means, why the limit circuit opens, and how to fix it step by step.
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Keeprite Furnace E1 Error Code — Causes & Fix
What Keeprite furnace E1 means, why the system locks out, and how to diagnose and fix it.
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Manitowoc Ice Machine Error Code 8 — Causes & Fix
What Manitowoc ice machine error code 8 means, why the ice thickness sensor faults, and how to fix it.
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Navien E006 Error Code — Causes & Fix
What Navien error code E006 means, why the exhaust high limit trips, and how to fix it step by step.
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Navien E009 Error Code — Causes & Fix
What Navien error code E009 means, why the heat exchanger overheats, and how to fix it.
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Noritz Error Code 12 — Causes & Fix
What Noritz error code 12 means, why the flame rod faults, and how to fix it step by step.
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Noritz Error Code 16 — Causes & Fix
What Noritz error code 16 means, why over-temperature shutdown occurs, and how to fix it.
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Payne Furnace 13 Error Code — Causes & Fix
What Payne furnace error code 13 means, why the limit device locks out, and how to fix it step by step.
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Rheem Furnace 3 Flashes Error Code — Causes & Fix
What Rheem 3 flashes means on a furnace, why the draft pressure switch faults, and how to fix it.
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Rinnai Error Code 16 — Causes & Fix
What Rinnai error code 16 means, why the combustion fan faults, and how to fix it step by step.
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Rinnai Error Code 32 — Causes & Fix
What Rinnai error code 32 means, why the overheat cutoff trips, and how to diagnose and fix it.
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Scotsman Ice Machine Error Code 3 — Causes & Fix
What Scotsman Error Code 3 means, why it happens, and how to fix it step by step.
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True Refrigeration E2 Error Code — Causes & Fix
What True Refrigeration E2 means, why it happens, and how to fix it step by step.
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Burnham Boiler E3 Error Code — Causes & Fix
What Burnham boiler E3 error code means, why it happens, and how to fix it step by step.
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Follett Ice Machine Error Code E2 — Causes & Fix
What Follett ice machine error code E2 means, why it happens, and how to fix it step by step.
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Hoshizaki E4 Error Code — Causes & Fix
What Hoshizaki E4 error code means, why it happens, and how to fix it step by step.
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Hoshizaki E7 Error Code — Causes & Fix
What Hoshizaki E7 error code means, why it happens, and how to fix it step by step.
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Hussmann Display Case Error Code E1 — Causes & Fix
What Hussmann display case error code E1 means, why it happens, and how to fix it step by step.
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Lochinvar Boiler Error Code E01 — Causes & Fix
What Lochinvar boiler error code E01 means, why it happens, and how to fix it step by step.
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Manitowoc Ice Machine Error Code 3 — Causes & Fix
What Manitowoc ice machine error code 3 means, why it happens, and how to fix it step by step.
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Manitowoc Ice Machine Error Code 6 — Causes & Fix
What Manitowoc Error Code 6 means, why it happens, and how to fix it step by step.
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Navien Error Code E016 — Causes & Fix
What Navien error code E016 means, why it happens, and how to fix it step by step.
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Rinnai Error Code 14 — Causes & Fix
What Rinnai error code 14 means, why it happens, and how to fix it step by step.
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Scotsman Ice Machine Error Code 2 — Causes & Fix
What Scotsman ice machine error code 2 means, why it happens, and how to fix it step by step.
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Scotsman Ice Machine Error Code 8 — Causes & Fix
What Scotsman ice machine error code 8 means, why it happens, and how to fix it step by step.
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True Refrigeration E1 Error Code — Causes & Fix
What True Refrigeration E1 means, why it happens, and how to fix it step by step.
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Amana Furnace 3 Flash Error Code — Causes & Fix
What Amana 3 flashes means, why it happens, and how to fix it step by step.
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Bryant Furnace 13 Error Code — Causes & Fix
What Bryant 13 means, why it happens, and how to fix it step by step.
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Follett Ice Machine Error Code E1 — Causes & Fix
What Follett E1 means, why it happens, and how to fix it step by step.
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Hoshizaki E3 Error Code — Causes & Fix
What Hoshizaki E3 means, why it happens, and how to fix it step by step.
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Hoshizaki E5 Error Code — Causes & Fix
What Hoshizaki E5 means, why it happens, and how to fix it step by step.
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Manitowoc Ice Machine Error Code 2 — Causes & Fix
What Manitowoc error code 2 means, why it happens, and how to fix it step by step.
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Navien E002 Error Code — Causes & Fix
What Navien E002 means, why it happens, and how to fix it step by step.
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Navien E030 Error Code — Causes & Fix
What Navien E030 means, why it happens, and how to fix it step by step.
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Nordyne E1 Error Code — Causes & Fix
What Nordyne E1 means, why it happens, and how to fix it step by step.
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Noritz Error Code 10 — Causes & Fix
What Noritz 10 means, why it happens, and how to fix it step by step.
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Noritz Error Code 11 — Causes & Fix
What Noritz 11 means, why it happens, and how to fix it step by step.
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Rinnai Error Code 12 — Causes & Fix
What Rinnai 12 means, why it happens, and how to fix it step by step.
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Rinnai Error Code 25 — Causes & Fix
What Rinnai 25 means, why it happens, and how to fix it step by step.
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Scotsman Ice Machine Error Code 4 — Causes & Fix
What Scotsman code 4 means, why it happens, and how to fix it step by step.
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Weil-McLain E02 Error Code — Causes & Fix
What Weil-McLain E02 means, why it happens, and how to fix it step by step.
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Rinnai Error Code 11 — No Ignition Fix
Rinnai error code 11 means the tankless water heater failed to ignite. This guide covers every cause and fix for the Rinnai Code 11 ignition failure.
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Navien Error Code E012 — Flame Loss During Operation Fix
Navien E012 error code means the flame was lost during operation. This guide covers diagnosis and fixes for the Navien E012 flame loss fault on tankless and combi units.
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Navien Error Code E001 — No Ignition Fix
Navien E001 error code means the burner failed to ignite. This guide covers every cause and fix for the Navien tankless water heater and combi-boiler E001 ignition fault.
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Weil-McLain Boiler Error Code E01 — Lockout Fix
Weil-McLain boiler error code E01 means the boiler locked out after repeated flame failures. This guide covers every cause and fix for E01 on Weil-McLain gas boilers.
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Burnham Boiler E1 Lockout Code Fix
Burnham boiler E1 lockout means the burner failed to ignite after the maximum number of attempts. This guide covers every cause and fix — gas, ignition, and control board.
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Lochinvar Boiler Error Code E02 — Ignition Failure Fix
Lochinvar boiler error code E02 means ignition failure lockout on Knight, Crest, and SYNC series boilers — here's how to diagnose and fix it.
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Navien Error Code E003 — Ignition Failure Fix
Navien error code E003 means ignition failure on NPE, NPN, and NCB series tankless water heaters and combi boilers — here's how to diagnose and fix it.