F52
Frigidaire
Door Lock Switch Mismatch
F52 error code, often appears during or after self-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
Misadjusted door lock switch, Broken lock switch actuator, Wiring issue between lock switch and EOC, Failed EOC input circuit
How to Fix / Troubleshooting
Safety first: Disconnect power at the breaker.
- Access lock switches:
- Remove top or rear panels to reach the door lock assembly.
- Identify the lock position switches (usually micro-switches actuated by the latch).
- Check switch operation:
- Manually move the latch and test each switch with a multimeter for proper open/closed operation.
- Replace any switch that does not change state reliably.
- Inspect actuator and bracket:
- Ensure the latch arm properly engages the switch levers.
- Repair or replace bent brackets or worn actuators.
- Control board: If switches and wiring are good, the EOC may be misreading the signals and should be replaced.
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Repair Difficulty
Hard
4/5
Required Part
Oven Door Lock Switch / Lock Assembly
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