Insignia
Cooling fan stuck on
Oven cooling fan runs continuously even when oven is off and cool.
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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 cooling fan relay on control board, Shorted fan wiring, Faulty temperature sensor reading high, Control board logic fault
How to Fix / Troubleshooting
Safety First: Turn off power before accessing the control area.
- Allow full cool-down: Ensure the oven has been off for several hours; some models keep the cooling fan running until the control area is cool.
- Test sensor: Measure the oven temperature sensor at room temperature. If it reads low resistance (indicating high temp), replace it.
- Inspect control board: Remove the rear control panel cover and inspect the electronic oven control board for a stuck fan relay (burn marks, welded contacts). Replace the board if faulty.
- Check wiring: Verify that the fan motor wiring is not shorted to a constant hot source.
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Repair Difficulty
Medium
3/5
Required Part
Electronic Oven Control Board
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