Error code reference

Maytag Washer Error Code F70

Communication failure between dryer CCU and UIC: UIC not receiving communications from CCU (cycles and price display disabled while error persists or is manually cleared).

SourceMaytag Commercial Washer - Tech Sheet: 50Hz Stacked Washer/Dryer Operation (W11316892)p. 6

Diagnostic procedure

The full F70 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Clear error code, unplug washer or disconnect power, verify that the communication cable is connected in the upper connector of the UI.

SourceMaytag Commercial Washer - Tech Sheet: Export FL Control Setup (W10222793)p. 8

More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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