Gree
Indoor Mechanical Vibration / Loose Components
Loud rattling or buzzing noise from indoor unit during operation.
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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
Loose front panel or filter, Blower wheel out of balance due to dirt, Loose mounting bracket or screws, Indoor fan motor bearing wear
How to Fix / Troubleshooting
Safety first: Turn OFF power before tightening screws or touching moving parts.
- Step 1 – Check front panel and filters: Ensure the front cover is fully closed and latched. Make sure filters are properly seated.
- Step 2 – Tighten mounting screws: Remove the front cover and gently tighten visible screws securing the chassis to the wall bracket.
- Step 3 – Clean blower wheel: If accessible, clean dust from the blower wheel using a brush and vacuum to reduce imbalance.
- Step 4 – Listen for bearing noise: If a grinding or high‑pitched squeal persists, the indoor fan motor bearings may be worn and the motor should be replaced.
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Repair Difficulty
Medium
3/5
Required Part
Indoor Fan Motor
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