Hoover
Cooling Fan Relay Stuck Closed
Hoover oven fan runs continuously even when the 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
Welded cooling fan relay contacts on PCB, Shorted triac driving fan, Miswired fan circuit, Faulty temperature sensor reading high
How to Fix / Troubleshooting
Safety first: Isolate the oven from mains power before accessing the control board.
- Check sensor reading:
- Test the cavity temperature sensor at room temperature.
- If it reads as if hot (low resistance), replace the sensor.
- Inspect PCB:
- Locate the cooling fan relay or triac on the main control board.
- Look for signs of overheating or welded contacts.
- If the relay is stuck closed, the PCB will need repair or replacement.
- Temporary measure:
- Leave the oven isolated when not in use to prevent unnecessary fan operation until repairs are completed.
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Repair Difficulty
Hard
4/5
Required Part
Main Control Board (Cooling Fan Relay)
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