F91
Fisher & Paykel
Self-Clean Cycle Abort / Lock Feedback Fault
F91 displayed, self-clean cycle aborts, door may be stuck locked or unlocked
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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
Inconsistent lock feedback switch, Over-temperature during self-clean, Control board self-clean logic fault, Wiring issue to lock assembly
How to Fix / Troubleshooting
Safety first: Turn off power and allow the oven to cool fully.
- Check door position: Confirm whether the door is locked or unlocked. Do not force it.
- Inspect lock wiring: Access the lock assembly and check the harness and connectors for damage or looseness.
- Test lock operation: With power restored, attempt to start a self-clean and listen for the lock motor. If it runs intermittently or stops, the lock assembly may be failing.
- Replace lock assembly: If the feedback switch is unreliable or the motor is weak, replace the complete lock assembly.
- Control board: If a new lock does not resolve F91, the control board may have a self-clean logic fault and require replacement.
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Repair Difficulty
Hard
4/5
Required Part
Self-Clean Door Lock Assembly
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