Error code reference

LG Washer Error Code nd

Drain error caused by damaged pump motor impeller, wrong voltage (220V supplied instead of 120V), part fault…

Drain error caused by damaged pump motor impeller, wrong voltage (220V supplied instead of 120V), part fault, freezing, clogged drain hose, or disconnected water pump terminal with foreign material collected inside drain pump assembly.

First step from the service manual

Check whether the revolutions of the drain pump motor are restrained by foreign material and remove as directed. Check the drain pump resistance.

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
  • Verified part numbers when replacement is required
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