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Error code reference
LG Air Conditioner Error Code C7
Over current error (CT2): operating current exceeded cut-off threshold 5 times within 1 hour.
SourceLG Room Air Conditioner - Service Manual: AS-W Series (Exploded View)p. 52, 60
Diagnostic procedure
The full C7 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 supplied voltage to outdoor PCB is AC 220/240V; verify indoor/outdoor fan operates normally.
SourceLG Room Air Conditioner - Service Manual: AS-W Series (Exploded View)p. 52, 60
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
2 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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