Medisana
Fan Motor or Blower Wheel Failure
Dehumidifier makes loud grinding or squealing noises while 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 fan motor bearings, Fan wheel rubbing against housing, Loose or cracked blower wheel, Foreign object in fan
How to Fix / Troubleshooting
Safety: Unplug the dehumidifier before servicing.
- Inspect fan area: Remove the front or rear cover to access the fan. Look for debris or objects caught in the blades.
- Check clearance: Ensure the fan wheel is not rubbing against the shroud or housing. Adjust position if necessary.
- Tighten hub: If the fan is mounted on a shaft with a set screw, tighten it to eliminate wobble.
- Replace fan motor or wheel: If the motor is noisy when spun by hand or the wheel is cracked, replace the fan motor assembly or blower wheel with Medisana-compatible parts.
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Repair Difficulty
Medium
3/5
Required Part
Dehumidifier Fan Motor
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