Error code reference

Whirlpool Washer Error Code F42

Not supported - user selected on the UI an unsupported cycle on the CCU. Mismatch of User Interface and CCU or corrupted EEPROM.

SourceWhirlpool Washer WFW9600TW01 - Tech Sheetp. 8

Diagnostic procedure

The full F42 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
Perform Service Cycle to pair the UI and CCU SW. Replace User Interface. If failure still present, replace CCU.

SourceWhirlpool Washer MHWE300VW00 - Tech Sheetp. 7

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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