F8
Hisense
Cooling Fan or Ventilation Fault
F8 error on oven display, fan may not run or oven may overheat.
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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
Failed oven cooling fan motor, Blocked air channels, Loose fan wiring, Control board not supplying power to fan
How to Fix / Troubleshooting
Safety: Disconnect power and allow the oven to cool.
- Access fan: Remove the rear panel to access the cooling fan (not the convection fan inside the cavity). Check that the blades spin freely.
- Test motor: Measure resistance across the fan motor terminals. An open reading indicates a failed motor that must be replaced.
- Check wiring: Inspect the fan wiring harness and connector at the control board. Repair any loose or burnt connections.
- Power test (advanced): With power restored and extreme caution, check if the board sends voltage to the fan when the oven is heating. If not, the control board may be faulty.
- Clear obstructions: Ensure that rear vents and internal air passages are not blocked by insulation or debris.
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Repair Difficulty
Hard
4/5
Required Part
Oven Cooling Fan Motor
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