Error code reference

LG Refrigerator Error Code D-Heater

Defrost heater error - defrost heater circuit failure detected.

SourceLG GW-L227/GW-P227 Refrigerator - Service ManualTrouble Diagnosis - Defrost Heater Error

Diagnostic procedure

The full D-Heater procedure

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MyPros+ · DiagnosticsStep 1 preview

First diagnostic step

Enter TEST 2 MODE and check voltage between pins 6 (BL/WH) and 5 (BN) of CON3 for 230VAC.

SourceLG GW-L227/GW-P227 Refrigerator - Service ManualTrouble Diagnosis - Defrost Heater Error

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More steps, wiring diagram references, and verified part numbers

Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.

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Where this code is documented

1 manual in the MyPros+ library documents this code for LG refrigerator.

Models covered by the manuals that document this code

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The full D-Heater procedure

Where this code is documented

Models covered by the manuals that document this code

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