Hansa Worn or Obstructed Convection Fan

Oven fan is very noisy, rattling, or scraping during operation

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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

Loose fan blade, Bent fan impeller, Worn fan motor bearings, Foreign object contacting fan

How to Fix / Troubleshooting

Safety first: Disconnect power and allow the oven to cool.

  • Access fan: Remove the rear panel inside the oven cavity to expose the convection fan.
  • Check for obstructions: Remove any loose screws, foil, or debris around the fan.
  • Tighten blade: Ensure the fan blade nut is tight on the motor shaft.
  • Spin test: Rotate the fan by hand. If it feels rough or wobbly, replace the Hansa convection fan motor and blade if necessary.
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Repair Difficulty

Medium 3/5

Required Part

Convection Fan Motor
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