Error code reference

Maytag Dishwasher Error Code F8

Wash arm fault

Wash arm fault - an error with the wash arm rotation system has been sensed.

First step from the service manual

Check connections to Wash Process Sensor from control board. Check pump for the correct back wash arms and assignment of sensor. Check for properly operating Wash Process Sensor. Check control board.

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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F8 on my Maytag Dishwasher

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Wash arm fault - an error with the wash arm

From Tech Sheet W16260673, p.45:

1.Check connections to Wash Process Sensor from control board. Check pump for the correct back wash arms and assignment of sensor. Check for properly operating Wash Process Sensor. Check control board.

2.Measure drain pump winding resistance at connector J7 on the main control. Expected: 12 to 16 ohms at room temperature.

3.Back-probe the pump driver output under load. Verify the board switches the pump at 120 VAC during the drain portion of the cycle.

Part W10876537

Drain pump assembly

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First step from the service manual

Get the full diagnostic procedure for F8.

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