F34
Monogram
Convection Fan Speed or Feedback Error
Oven displays F34 during convection or fan-assisted modes.
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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 convection fan motor, Obstructed fan blade, Faulty fan speed sensor or tachometer, Defective fan relay on control board
How to Fix / Troubleshooting
Safety first: Turn off power and allow the oven to cool before accessing the fan.
- Listen for fan: During convection mode, you should hear the fan running. If silent or noisy, suspect the fan motor.
- Inspect fan blade: Remove the rear interior panel of the oven to access the convection fan. Check for food debris or screws obstructing the blade.
- Spin test: Turn the fan blade by hand; it should spin freely. If stiff or seized, replace the convection fan motor.
- Electrical test: With power disconnected, measure motor resistance and compare to specs. If open, replace the motor.
- Control board: If the fan runs but F34 persists, the speed feedback circuit on the control board may be faulty and require replacement.
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Repair Difficulty
Hard
4/5
Required Part
Convection Fan Motor
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