Error code reference

Maytag Washer Error Code F28

Communication failure between CCU and MCU: may be caused by reversed polarity/mis-wire with open ground switches, or damaged communication cable from CCU (MI3) to MCU.

SourceMaytag Commercial Stacked Washer/Dryer - Tech Sheet (W10920931)p. 9

Diagnostic procedure

The full F28 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, check outlet for correct polarity.

SourceMaytag Commercial Stacked Washer/Dryer - Tech Sheet (W10920931)p. 9

More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock F28 procedure $9.95

Or subscribe: $29/month for all codes plus Max diagnostics, with 70 Max messages a day. Plus applicable tax.

75,000+ service documents · 20,000+ error codes · 100+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass · Plus applicable tax