Bauknecht
Fan Motor Bearing Wear or Obstruction
Oven makes loud rattling or grinding noise when the fan is running
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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 convection fan motor bearings, Loose fan blade, Foreign object caught in fan, Loose mounting screws
How to Fix / Troubleshooting
Safety first: Disconnect power and allow the oven to cool.
- Identify noise source: Run the oven briefly and listen to locate whether the noise is from the rear (convection fan) or top (cooling fan).
- Inspect fan: Remove the inner rear panel to access the convection fan. Check for loose screws, bent blades, or debris.
- Tighten and clean: Tighten the fan nut and mounting screws. Remove any foreign objects.
- Replace motor: If the noise persists and the shaft has play or feels rough when turned by hand, replace the fan motor.
Warning: Do not insert tools into the fan area while the oven is powered.
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Repair Difficulty
Medium
3/5
Required Part
Convection Fan Motor
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