Haier
Outdoor Fan or Compressor Mechanical Failure
Loud grinding or squealing noise from the outdoor unit when 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 outdoor fan motor bearings, Fan blade hitting shroud or grille, Failing compressor internal components, Loose compressor mounting bolts
How to Fix / Troubleshooting
Safety first: Turn off power and wait for all moving parts to stop before inspection.
- Inspect fan blade: Check for bent blades or contact with the shroud. Straighten or replace the blade if damaged.
- Check fan motor play: Wiggle the fan blade hub. Excessive play indicates worn bearings; replace the fan motor.
- Check compressor mounts: Ensure compressor mounting bolts and rubber grommets are intact and tight.
- If noise is from compressor body: Internal compressor damage is likely; replacement by a technician is required.
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Repair Difficulty
Hard
4/5
Required Part
Outdoor Fan Motor
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