Refrigerator making loud buzzing or humming noise from the back.
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.
Possible Causes
How to Fix / Troubleshooting
Safety first: Unplug the unit before touching moving parts.
Fan inspection:
- Remove the rear lower panel and inspect the condenser fan.
- Clear any debris and ensure the blades spin freely.
- Tighten any loose mounting screws.
Compressor noise:
- Check that the compressor is not touching copper lines or the cabinet.
- Gently bend lines away if they vibrate against surfaces.
Note: Some compressor hum is normal. If the noise is very loud, metallic, or accompanied by poor cooling, a technician should evaluate the compressor and fan motor.
Repair Difficulty
Required Part
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