Error code reference

LG Air Conditioner Error Code CH07

Different mode operation error: indoor units operating in conflicting modes.

SourceLG Large Duct Air Conditioner - Service Manual: LB-H1208VA0p. 9

Diagnostic procedure

The full CH07 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

Verify all connected indoor units are set to the same operating mode.

SourceLG Large Duct Air Conditioner - Service Manual: LB-H1208VA0p. 9

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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

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

Models covered by the manuals that document this code

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The full CH07 procedure

Where this code is documented

Models covered by the manuals that document this code

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