Error code reference

LG Air Conditioner Error Code 106

Outdoor unit fan PCB IPM failure: IPM protection circuit activation due to overcurrent or overheating.

SourceLG Air Conditioner - Service Manual: Heat Recovery Outdoor Unit R410A (ARUB80LT2)p. 151

Diagnostic procedure

The full 106 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 fan motor assembly condition and locking; check fan motor U,V,W connector connection; check fan PCB heatsink assembly.

SourceLG Air Conditioner - Service Manual: Heat Recovery Outdoor Unit R410A (ARUB80LT2)p. 151

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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

32 manuals in the MyPros+ library document this code for LG air conditioner.

Models covered by the manuals that document this code

More models are covered than are listed here.

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The full 106 procedure

Where this code is documented

Models covered by the manuals that document this code

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