Error code reference

LG Refrigerator Error Code Defrost error

Abnormal defrost - defrost heater defective, fuse melting, short circuit, or connector unplugged; error indicated 80 minutes after problem occurs.

SourceLG Refrigerator - Full Service Manual: GM-L277JSHPp. 25, 84

Diagnostic procedure

The full Defrost error procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check door gasket for abnormality, then disconnect product, remove fan grille, and check defrost control parts.

SourceLG Refrigerator - Full Service Manual: GM-L277JSHPp. 25, 84

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

More models are covered than are listed here.

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