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Error code reference
Whirlpool Range Error Code F-42
Power supply error (induction cooktop)
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$285
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Diagnostic procedure
The full F-42 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 for 240 volts AC at the main incoming power supply connection. Unplug range, connect voltage measurement equipment, reconnect power and check for 240V at J1 L to N and J2 L to N at the EMI filter board, then J1 L to N at both IPCs.
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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