Numatic Vacuum Motor Bearing Wear

Unusual high-pitched whine from vacuum motor area, louder than normal.

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

Worn motor bearings, Imbalanced motor fan, Ingress of fine dust into motor, Extended operation at high temperature

Safety first: Unplug the machine before accessing the motor.

Check filters: Ensure all filters are in place and clean to prevent further dust ingress.
Inspect fan: If accessible, check the motor fan for damage or debris.
Monitor noise: If the noise is progressively worsening, plan for motor replacement; bearing failure can lead to catastrophic motor damage.
Replace motor: Fit a new Numatic vacuum motor assembly if bearings are clearly worn.

Hard 4/5

Vacuum Motor Unit

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