Error code reference

Maytag Dishwasher Error Code 1F3

Communication problem

Communication problem - control and sensor pack communications is not operating properly.

First step from the service manual

Check connections to Wash Process Sensor from control board, check for properly operating Wash Process Sensor, then check control board.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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1F3 on my Maytag Dishwasher

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Communication problem - control and sensor pack

From Tech Sheet W15355503, p.35:

1.Check connections to Wash Process Sensor from control board, check for properly operating Wash Process Sensor, then check control board.

2.Inspect the communication harness between the main control and the UI board for bent pins or unseated connectors at each end.

3.Measure supply voltage to the UI board. Expected: 5 VDC at the interface connector; a low or missing rail points back to the main control supply.

Part W10811169

User interface control board

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