Miele
Convection Fan Mechanical Wear
Oven makes loud rattling, grinding, or squealing noises during 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
Worn fan motor bearings, Loose fan blade or mounting nut, Foreign object contacting fan, Bent fan blade
How to Fix / Troubleshooting
Safety first: Turn off power and allow the oven to cool before accessing the fan.
- Access fan: Remove the rear inner panel to expose the convection fan.
- Check for obstructions: Look for loose screws, foil, or food debris contacting the fan. Remove any foreign objects.
- Tighten fan nut: Ensure the fan blade is securely fastened to the motor shaft. Tighten the nut if loose.
- Assess motor bearings: Spin the fan by hand. If it feels rough or produces noise, replace the fan motor assembly.
Operating with a noisy fan can lead to complete motor failure and uneven cooking.
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Repair Difficulty
Medium
3/5
Required Part
Convection Fan Motor
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