Frigidaire Faulty Door or Temperature Alarm Circuit

Alarm beeps periodically even though temperature appears normal.

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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 switch, intermittent thermistor readings, control board alarm logic fault

How to Fix / Troubleshooting

Safety: Unplug the unit before testing switches or sensors.

Steps:

  • Check door switch: Ensure the door switch operates correctly and the door fully depresses it.
  • Monitor display: Watch for brief temperature spikes or drops that could trigger alarms.
  • Test thermistor: Check for stable resistance readings; replace if intermittent.
  • Control board: If alarms persist with good sensors and switch, the control board may need replacement.
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Repair Difficulty

Medium 3/5

Required Part

Door Switch
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