Hisense
Mechanical Vibration / Loose Components
Hisense air conditioner makes loud rattling or buzzing noises 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 indoor or outdoor fan blade, Loose mounting screws or panels, Foreign objects in blower or fan guard, Worn fan motor bearings
How to Fix / Troubleshooting
Safety first: Turn off power before touching any moving parts. Do not insert fingers into fan guards.
- Step 1 – Identify noise source:
- Listen near the indoor and outdoor units to determine where the noise originates.
- Step 2 – Check indoor unit:
- Open the front panel and ensure the blower wheel is not rubbing against plastic or metal.
- Tighten any loose screws on the casing.
- Step 3 – Check outdoor unit:
- Inspect the fan blade for cracks or looseness on the motor shaft.
- Remove any debris from the fan guard.
- Step 4 – Replace worn parts:
- If the fan blade is damaged or the motor is noisy, replace with Hisense-compatible parts.
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Repair Difficulty
Medium
3/5
Required Part
Outdoor Fan Blade
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