Error code reference

LG Washer Error Code 9C1

Power error

Power error - check consumer power conditions including operating voltage. An error occurs when under or over voltage is supplied.

First step from the service manual

Connect a tester to the internal power terminals during Boil operations and observe the washing machine operation carefully. Check the voltages.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
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