dE
Frigidaire
Door Open Detected / Door Switch Fault
Microwave displays dE or DOOR and will not start; beeps when trying to run.
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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 not fully closed, Misaligned door latch, Failed door interlock switch, Broken door latch hook, Loose switch bracket
How to Fix / Troubleshooting
Safety First: Unplug the microwave before accessing internal components.
Basic checks:
- Close door firmly: Open and close the door several times, ensuring it latches securely. Listen for a solid click.
- Inspect door and frame: Check for bent hinges, warped door, or debris on the door seal or latch area.
- Check latch hooks: Inspect the plastic hooks on the door for cracks or wear.
Advanced checks:
- Access door switches: Remove the control panel and inner trim to reach the door switch assembly.
- Inspect switches: Ensure each switch is firmly mounted and actuated by the door latch. Replace any switch that does not click or shows signs of burning.
- Replace latch or switches: Install a new Frigidaire door latch assembly or door switch set as needed.
Note: Door interlock systems are a primary safety feature. If you are unsure, have a professional perform this repair.
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Repair Difficulty
Hard
4/5
Required Part
Door Switch Assembly
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