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Error code reference
Whirlpool Range Error Code F90
Door lock motor or latch circuit failure.
SourceWhirlpool Range - Tech Sheet: Electronic Oven Control Fault Codes (ES 883)
Diagnostic procedure
The full F90 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
If lock motor runs, test continuity of wiring between EOC and lock switch on lock motor assembly. If lock motor does not run, test continuity of lock motor windings.
SourceWhirlpool Range - Tech Sheet: Electronic Oven Control Fault Codes (ES 883)
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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