Error code reference

LG Washer Error Code 1dC1

Door error (Upper washer)

Door error (Upper washer) - door lock switch terminal connected incorrectly or broken.

First step from the service manual

Check door lock switch terminal connections.

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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