Error code reference

LG Refrigerator Error Code dF

Defrosting error: the defrost sensor temperature does not reach 13°C within 2 hours after defrosting starts, indicating a defrost system malfunction.

SourceLG Refrigerator - Full Service Manual (GR-382R, LRTP1231W)22-23 (Section 7-1-4)

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Diagnostic procedure

The full dF 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

First diagnostic step

Check defrost heater, temperature fuse, defrost sensor, and heater relay (RY2) on main PWB.

SourceLG Refrigerator - Full Service Manual (GR-382R, LRTP1231W)22-23 (Section 7-1-4)

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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

5 manuals in the MyPros+ library document this code for LG refrigerator.

Models covered by the manuals that document this code

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The full dF procedure

Where this code is documented

Models covered by the manuals that document this code

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