F9
American Range
Door Lock Circuit Failure
Display shows F9; oven door may not lock/unlock properly (on models with self-clean lock) or oven will not start a clean cycle.
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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 assembly, Faulty door lock switch, Broken or jammed lock mechanism
How to Fix / Troubleshooting
Safety first: Disconnect power before working on the door lock system.
- Check door movement: Verify the oven door opens and closes freely and is not misaligned or binding on the hinges.
- Access lock assembly: Remove the top or rear panel (depending on model) to access the door lock motor and switch assembly.
- Inspect linkage: Look for bent rods, broken plastic cams, or obstructions preventing the lock from moving fully.
- Electrical test: With power off, test the lock motor for continuity and the lock switch for proper open/closed operation using a multimeter.
- Replace faulty components: Replace the door lock motor assembly or switch if they test open or mechanically jammed. Reassemble and test a lock/unlock cycle.
Warning: Do not force the door open during a lock cycle; this can damage the hinges and lock mechanism.
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Repair Difficulty
Hard
4/5
Required Part
Oven Door Lock Motor Assembly
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