Error code reference

Maytag Dryer Error Code F4

CCU is not receiving communications from UI (cycles and price display disabled while error persists or is manually cleared).

SourceMaytag Commercial Dryer - Tech Sheet: Export Model Control Setup (W10239197)p. 4

Diagnostic procedure

The full F4 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
Check communication wiring between CCU and UI boards; manually clear diagnostic code after correction.

SourceMaytag Commercial Dryer - Tech Sheet: Export Model Control Setup (W10239197)p. 4

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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Where this code is documented

12 manuals in the MyPros+ library document this code for Maytag dryer.

Models covered by the manuals that document this code

More models are covered than are listed here.

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