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Error code reference
LG Washer Error Code 9C1
Power check fault due to under or over voltage supply, use of plug receptacle causing momentary voltage drop, or main PBA fault.
SourceLG WA52M8650AV Washer - Service Manualp. 19, 27
Diagnostic procedure
The full 9C1 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 consumer's power conditions and operating voltage; connect a tester to internal power terminals during Boil or Dry operations.
SourceLG WA52M8650AV Washer - Service Manualp. 19, 27
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
5 manuals in the MyPros+ library document this code for LG washer.
Models covered by the manuals that document this code
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