Error code reference

Frigidaire Dishwasher Error Code iC3

Communication between the power board and Motor Control Board does not start.

Communication between the power board and Motor Control Board does not start.

First step from the service manual

Check wire harness between power board and motor control board

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

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iC3 on my Frigidaire Dishwasher

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Communication between the power board and Motor

From Service Manual 856831, p.43:

1.Check wire harness between power board and motor 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 5304504863

Display board

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