F93
LG
Door lock motor not operating
LG range shows F93 and self-clean cannot be started.
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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
Open lock motor, No power to lock motor, Faulty lock relay on control board, Broken wiring to lock motor
How to Fix / Troubleshooting
Safety first: Disconnect power at the breaker.
- Access lock motor: Remove the rear top panel to reach the door lock motor assembly.
- Test motor resistance: Disconnect the motor and measure resistance. An open reading indicates a failed motor; replace the lock assembly.
- Check wiring: Inspect the harness from the control board to the lock motor for breaks or burns. Repair as needed.
- Check control output: With caution and power ON, start a self-clean cycle and measure voltage at the lock motor connector. If no voltage is present, the control board or relay is faulty and must be replaced.
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Repair Difficulty
Hard
4/5
Required Part
Oven Door Lock Motor Assembly
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