F90
Maytag
Door Lock Motor or Switch Failure (Alternate Code Set)
Display shows F90, oven door lock problem during self-clean
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Failed door lock motor, Faulty lock switch, Wiring issue between lock and control, EOC lock driver failure
How to Fix / Troubleshooting
Safety first: Disconnect power and allow the oven to cool.
- Check door latch movement: With the top or rear panel removed, manually move the latch to ensure it is not mechanically jammed.
- Test motor and switch: Use a multimeter to check motor winding resistance and switch continuity. Replace the lock assembly if readings are out of spec.
- Inspect wiring: Verify the harness from the lock to the control is intact and connectors are tight.
- Replace EOC if needed: If the lock assembly is good but F90 persists, the control board may not be driving the motor correctly.
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Repair Difficulty
Hard
4/5
Required Part
Oven Door Lock Assembly
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