Error code reference

Maytag Dishwasher Error Code SF3

Communication Problem

Communication Problem - communications between the controller and sensor pack are not operating.

First step from the service manual

Check connections to sensor pack from control board. Check for bad sensor pack. Check control board.

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

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SF3 on my Maytag Dishwasher

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Communication Problem - communications between

From Tech Sheet W15388177, p.29:

1.Check connections to sensor pack from control board. Check for bad sensor pack. 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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