Sharp
Door switch or control logic fault
Oven interior light and fan stay on even when the door is closed and oven is off.
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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 or misaligned door switch, shorted door switch contacts, control board not recognizing door closed signal, wiring short in door switch circuit
How to Fix / Troubleshooting
Safety: Disconnect power before testing switches.
- Check door switch: Locate the door switch (usually near the door frame). Press it manually and listen for a click. If no click or light does not change, the switch may be faulty.
- Test continuity: Remove the switch and test with a multimeter. Replace if it does not open/close correctly.
- Inspect alignment: Ensure the door properly depresses the switch plunger when closed. Adjust the switch position if necessary.
- Control board: If the switch and wiring are good but the light/fan remain on, the control board may have a stuck relay and should be replaced.
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Repair Difficulty
Medium
3/5
Required Part
Oven Door Switch
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