Tosot
Blower Wheel or Fan Blade Damage
Dehumidifier makes a loud grinding or scraping noise when the fan runs.
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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
Cracked or warped blower wheel rubbing housing, Fan blade loose on motor shaft, Foreign object stuck in fan, Bent fan shroud
How to Fix / Troubleshooting
Safety: Unplug before working near the fan.
Steps:
- Access fan: Remove front and/or rear covers to expose the blower wheel and fan housing.
- Inspect wheel: Rotate the blower by hand and listen/feel for scraping. Look for cracks or missing fins.
- Check alignment: Ensure the blower is centered in its housing and not rubbing. Adjust position on the motor shaft if needed.
- Remove debris: Clear any plastic, insulation, or other objects caught in the fan.
- Replace damaged parts: Install a new blower wheel/fan assembly if the existing one is damaged or out of round.
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Repair Difficulty
Medium
3/5
Required Part
Blower Wheel / Fan Assembly
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