Posts
All the articles I've posted.
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A.O. Smith Water Heater Not Enough Hot Water - Causes & Fix
Most often caused by a failed lower heating element on electric models or undersized tank capacity for your demand.
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A.O. Smith Water Heater No Hot Water - Causes & Fix
Most often a tripped ECO reset button or failed upper heating element on electric models. Press the red reset; if no click, test the element.
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Rinnai Water Heater Rusty Water - Causes & Fix
Usually a corroded heat exchanger or scale buildup. Flush with four gallons of vinegar or replace the heat exchanger if leaking.
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Rinnai Water Heater Popping Noise - Causes & Fix
Scale buildup on the heat exchanger causes trapped water to flash into steam and pop through mineral deposits. Flush and descale the unit.
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Rinnai Water Heater Pilot Won't Stay Lit - Causes & Fix
Flame failure is usually a dirty flame rod or blocked vent. Clean the flame sensor and check venting for obstructions or improper install.
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Rinnai Water Heater No Ignition - Causes & Fix
Low gas pressure or a closed gas valve is the most common cause. Open the gas valve fully and check inlet pressure at the valve.
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Navien Water Heater Rusty Water - Causes & Fix
Rusty water usually means corrosion or sediment in the heat exchanger or supply plumbing. Flush the system and check for leaks.
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Navien Water Heater Popping Noise - Causes & Fix
Popping usually means scale or sediment has built up on the heat exchanger. Flush and descale the unit to remove mineral deposits.
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Navien Water Heater Pilot Won't Stay Lit - Causes & Fix
Navien units use electronic ignition, not standing pilots. A 'pilot won't stay lit' usually means ignition failure (Error 11 or 12) from a dirty flame rod or gas supply issue.
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Rheem Water Heater Rusty Water - Causes & Fix
Rusty hot water usually means a depleted anode rod or internal tank corrosion. Replace the anode if possible, otherwise replace the unit.
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Rheem Water Heater Making Popping Noise - Causes & Fix
Sediment buildup at the tank bottom is the most common cause. Flush the tank through the drain valve until water runs clear to resolve it.
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Rheem Water Heater Pilot Won't Stay Lit - Causes & Fix
A dirty or defective thermocouple or thermopile is the most common cause. Clean the pilot assembly and check the flame sensor connection.
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Samsung Mini Split Making Noise - Causes & Fix
A dirty air filter or loose mounting is the most common cause. Clean the filter and check that the indoor unit sits level and secure.
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Samsung Mini Split Not Responding to Remote - Causes & Fix
Dead or weak batteries are the most common cause. Replace the remote batteries and use a phone camera to verify IR transmission.
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Samsung Mini Split Ice on Coils - Causes & Fix
Usually caused by dirty filters or a blocked evaporator coil restricting airflow. Clean the filter and indoor coil, then defrost the unit.
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Samsung Mini Split Blowing Warm Air - Causes & Fix
Usually wrong mode or dirty filters. Check Cool mode is active, setpoint is low enough, clean indoor filters, and reset power at breaker.
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Samsung Mini Split Won't Turn On - Causes & Fix
Most likely a tripped breaker or dead remote batteries. Check the circuit breaker first, then replace remote batteries and confirm power at the unit.
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Samsung Mini Split Not Heating - Causes & Fix
Most likely the system is in the wrong mode or the set temperature is too low. Switch to Heat mode and raise the setpoint above room temperature.
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Samsung Mini Split Leaking Water - Causes & Fix
Most often caused by a clogged drain line or unlevel indoor unit. Clear the drain hole and check that the unit is mounted horizontally.
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Samsung Mini Split Not Cooling - Causes & Fix
Usually caused by wrong mode or setpoint, dirty air filter, or blocked airflow. Check mode setting, clean filter, clear obstructions.
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Rheem Furnace Making Loud Noise - Causes & Fix
Usually a failing inducer or blower motor. Check which motor is making noise, inspect airflow restrictions, and replace the worn motor.
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Fujitsu Mini Split Making Noise - Causes & Fix
Usually normal refrigerant flow or defrost sounds during operation. Check operating mode first, then inspect fan and panels for contact.
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Fujitsu Mini Split Not Responding to Remote - Causes & Fix
Dead batteries or incorrect battery installation in the remote control is the most common cause. Replace batteries and verify polarity.
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Fujitsu Mini Split Won't Turn On - Causes & Fix
Usually caused by a communication fault between indoor and outdoor units (often E1 code). Check wiring connections and power first.