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Error code reference
Frigidaire Microwave Error Code F90
Motor Door Lock mechanism failure: the oven control does not see the Motor Door Lock running.
SourceMicrowave Combination Unit - Service Data Sheet (A13273201)
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
Disconnect power to the unit, wait 30 seconds, then reapply power. Try again to make the door lock or unlock (e.g., initiate a Lockout or a Clean cycle).
SourceMicrowave Combination Unit - Service Data Sheet (A13273201)
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
2 manuals in the MyPros+ library document this code for Frigidaire microwave.
Models covered by the manuals that document this code
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