F5
Thermador
Door Lock Switch or Motor Error
Oven displays F5 and may not enter or exit 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
Defective door lock motor, Faulty lock position switch, Misaligned latch mechanism, Broken wiring to lock assembly
How to Fix / Troubleshooting
Safety first: Disconnect power before working on the lock system. Beware of sharp edges.
- Check door alignment: Ensure the door closes squarely and the latch engages smoothly. Adjust hinges if necessary.
- Manually operate latch: With the top panel removed (power OFF), manually move the latch to locked/unlocked positions and listen for switch clicks.
- Test switches: Use a multimeter to verify continuity of the lock switches in each position. Replace the lock assembly if switches are faulty.
- Motor test: Apply appropriate voltage to the lock motor (only if you are qualified) to confirm operation. Replace if it does not run.
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Repair Difficulty
Hard
4/5
Required Part
Door Lock / Latch Assembly
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