Error code reference

LG Refrigerator Error Code F dH

Poor defrosting: defrost heater error; if defrosting sensor has not exceeded 46°F (8°C) after 1 hour of defrosting, caused by temperature fuse disconnection, heater disconnection, drain jam, or poor relay for heater.

SourceLG LMXS27626 Refrigerator - Full Service Manualp. 34-35

Diagnostic procedure

The full F dH 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 the door gasket for damage, then check the defrost control part (Fuse-M resistance and defrost sensor resistance).

SourceLG LMXS27626 Refrigerator - Full Service Manualp. 34-35

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

61 manuals in the MyPros+ library document 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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