F5E1
KitchenAid
Door Interlock Circuit Fault
Microwave shows F5E1 indicating door switch stuck closed or open; unit will not start.
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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
Stuck door switch, misadjusted door, bent door hinges, wiring issue in door switch harness, failed monitor switch
How to Fix / Troubleshooting
Safety: Disconnect power before servicing door components.
- Door alignment: Check that the door is level and not sagging. If the hinges are bent or loose, tighten or replace them.
- Inspect switches: Access the door switch cluster behind the control panel. Verify that each switch is firmly mounted and actuated by the latch correctly.
- Replace suspect switch: If a switch appears stuck or does not click, replace it with the correct KitchenAid door switch (primary, secondary, or monitor as applicable).
- Harness check: Inspect the door switch harness for damaged insulation or loose connectors and repair or replace as needed.
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Repair Difficulty
Medium
3/5
Required Part
Door Switch Assembly
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