Liebherr Fan Noise / Mechanical Interference

Oven makes loud rattling or scraping noises when the fan is running.

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.

Possible Causes

Loose convection fan blade, Debris caught in fan, Worn fan motor bearings, Loose mounting screws on fan housing

Safety first: Disconnect power and wait for the oven to cool before accessing the fan.

Steps:

Remove the internal rear panel to expose the convection fan.
Check for loose screws or panels vibrating; tighten as needed.
Inspect the fan blade for bent fins or contact with the shroud; straighten or replace the blade if damaged.
Remove any debris (foil, food particles) caught in the fan area.
If the motor is noisy when spun by hand or has excessive play, replace the convection fan motor.

Medium 3/5

Convection Fan Motor

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