Error code reference

LG Air Conditioner Error Code 5

Abnormal operation of multi product due to simultaneous cooling and heating operation modes.

SourceLG Multi Air Conditioner - Service Manual: LM Series (Exploded View)p. 35

Diagnostic procedure

The full 5 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

Reset the remote control and check for misconnection of connecting cables, refrigerant pressure, connecting pipe, and connecting cable.

SourceLG Multi Air Conditioner - Service Manual: LM Series (Exploded View)p. 35

Unlock with pass

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

38 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 5 procedure

Where this code is documented

Models covered by the manuals that document this code

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