Refrigerator making loud noises
Some sounds are normal, like refrigerant flow or a light click. But a loud hum, grinding or constant knocking can signal a problem.
Symptoms you may notice
- A constant loud hum
- Grinding from the back or freezer
- A knock when the compressor starts or stops
Possible causes
- Worn evaporator or condenser fan
- Compressor vibration
- Fridge not level
Parts that may be involved
FansCompressor mounts
Error codes linked to this fault
There are no verified error codes directly linked to this fault in our tables yet.
This is awareness information to help you understand and describe the problem, not a final diagnosis. We don't publish disassembly or repair steps; diagnosis requires a qualified technician to inspect the appliance.