Error code reference

Samsung Dishwasher Error Code 9C2

Power supply error

Power supply error - high or low voltage is supplied; driving part stops and display changes to pause.

First step from the service manual

Check voltage of the power outlet (120V).

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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9C2 on my Samsung DW80R5060US

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Power supply error - high or low voltage is

From Service Manual 408332, p.24:

1.Check voltage of the power outlet (120V).

2.Measure line voltage at the power cord terminal block. Expected: 120 VAC (L1 to neutral) or 208 to 240 VAC between L1 and L2 under load.

3.Inspect the cord strain relief and terminal block screws for signs of arcing or heat discoloration. Loose connections here mimic an intermittent power failure to the control board.

Part DC96-01043A

Power cord assembly

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First step from the service manual

Get the full diagnostic procedure for 9C2.

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