Tag: error-code
All the articles with the tag "error-code".
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Carrier AC E3 Error Code: IPM Module Fault Diagnosis and Fix
Carrier E3 error code means an IPM module fault on your AC or heat pump. Learn what causes Intelligent Power Module failures and when to replace the board.
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Goodman EE2 Error Code: Control Board Communication Fault Fix
Goodman EE2 error code means a control board communication fault. Diagnose wiring, power surges, and failed boards on Goodman, Amana, and Coleman HVAC systems.
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Trane XV20i Error Code 79: Communicating Thermostat Fault Fix
Trane XV20i error code 79 means a communicating thermostat fault. Learn the causes, how to diagnose ComfortLink II wiring issues, and how to fix it fast.
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York Furnace Error Code E2: Pressure Switch Fault Causes and Fix
York furnace error code E2 means a pressure switch fault. Diagnose blocked drains, bad inducer, or failed switch on York, Coleman, and Luxaire furnaces.
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Carrier Furnace Error Code 13 — Limit Circuit Lockout Fix
Carrier error code 13 means limit circuit lockout after repeated high-limit trips. It auto-resets after 3 hours. Here's what caused it and how to fix it.
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Carrier Furnace Error Code 31 — Pressure Switch Open Fix
Carrier error code 31 means the pressure switch failed to close. Blocked condensate, cracked hose, or weak inducer. Step-by-step diagnosis and fix.
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Carrier Furnace Error Code 33 — Flame Rollout & High Limit Switch Fix
Carrier error code 33 means flame rollout or limit circuit fault. Learn causes, step-by-step diagnosis, and how to fix it fast — dirty filter is #1.
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Goodman Furnace 2 Flashes — Pressure Switch Stuck Closed Fix
Goodman furnace 2 slow flashes means pressure switch stuck closed. Learn what causes it, how to diagnose, and how to fix it with this step-by-step guide.
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Goodman Furnace 3 Flashes — Pressure Switch Open Fix
Goodman furnace 3 slow flashes means pressure switch open. Blocked condensate drain, cracked inducer hose, or failed switch. Step-by-step fix guide.
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Goodman Furnace 4 Flashes — Open High Limit Switch Fix
Goodman furnace 4 slow flashes means the high limit switch is open. Dirty filter causes 80% of cases. Step-by-step diagnosis and fix guide.
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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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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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Carrier 13 Soft Lockout — What's Different from Hard Lockout
Carrier fault code 13 is a soft lockout, not a hard lockout. Learn what triggers it, how it differs from code 31, and how to clear it without a service call.
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Carrier Error Code 24 — Secondary Voltage Fuse Open
Carrier fault code 24 means the 3-amp secondary fuse on the IFC board has blown. Here's what caused it and how to replace it without burning through another fuse.
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Carrier Error Code 56 — IFC Fault (Induced Draft Motor)
Carrier furnace fault code 56 points to a problem with the induced draft blower or its proving circuit. Here's how to diagnose and fix it.
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Carrier Error Code 61 — Rollout Switch Lockout
Carrier fault code 61 means a rollout switch tripped. This is a serious safety fault — do not bypass it. Here's what causes rollout and how to fix it safely.
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Carrier Infinity System Communication Error Codes — Complete Guide
Carrier Infinity communicating system error codes explained. Learn how to diagnose system fault, component faults, and communication bus errors on Infinity HVAC systems.
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Crown Boiler E1 Error Code — Lockout Guide
Crown Boiler E1 error means an ignition lockout. This guide covers Crown Bimini, Aruba, and Sentinel boiler E1 diagnosis, reset, and common causes.
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Eaton PowerXL VFD Fault Codes Guide
Eaton PowerXL and DG1/DC1 VFD fault codes explained. Learn the most common overcurrent, undervoltage, overtemperature, and motor protection faults.
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Emerson / White-Rodgers Thermostat E1 Error — Fault Code Guide
Emerson and White-Rodgers thermostat E1 error means a sensor fault or power issue. This guide covers all Emerson E1 variations and how to fix them by model.
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Fanuc OT Alarm — Software Overtravel (All Series)
Fanuc soft OT alarm means the control hit a software travel limit, not necessarily a hard limit switch. Learn how to back off the axis and correct the underlying cause.