F9
Gaggenau
Door Lock Circuit Error
Oven shows F9, door may be locked or will not lock/unlock
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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
Door lock motor failure, Faulty lock position switch, Broken wiring to lock assembly, Control board lock driver failure
How to Fix / Troubleshooting
Safety: Disconnect power before working on the door lock. Be cautious of sharp metal edges.
- Check door status: Verify if the door is physically locked or unlocked. Do not force it.
- Attempt reset: Turn power off for 5 minutes, then restore and see if the lock cycles.
- Access lock assembly (technician): Remove top/front trim to access the door lock assembly.
- Test motor and switches: Use a multimeter to test the lock motor and position switches for continuity and proper operation.
- Inspect wiring: Check for broken or burned wires between the lock and control board.
- Replace components: Replace the door lock assembly if defective. If lock tests good, replace the electronic oven control.
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Repair Difficulty
Hard
4/5
Required Part
Oven Door Lock / Latch Assembly
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