Error code reference

LG Washer Error Code WS

Water supply/inlet valve error

Water supply/inlet valve error – water level does not rise to the set level within 40 minutes.

First step from the service manual

Check if water faucet is open and water supply is not interrupted; clean or replace inlet valve filter.

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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