F90
Stoves
Door Lock Motor or Switch Failure
F90 displayed, oven door may be stuck locked or will not lock for 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, Jammed latch mechanism, Faulty lock position switch, Wiring fault between lock and EOC
How to Fix / Troubleshooting
Safety first: Disconnect power and allow the oven to cool completely.
Steps to check:
- Manual unlock: Access the lock mechanism from the top or rear and gently move the lock arm to release the door if stuck.
- Inspect mechanism: Check for bent latch, broken plastic parts, or obstructions preventing full travel.
- Test motor and switch: With a multimeter, check resistance of the lock motor coil and continuity of the lock switch. Replace the lock assembly if defective.
- Check wiring: Inspect the harness from the lock assembly to the EOC for breaks or burns.
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Repair Difficulty
Hard
4/5
Required Part
Oven Door Lock Motor Assembly
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