Basic refrigerator/freezer maintenance involves the cleaning of the condenser coils on the back of the appliance. When the coils are covered in dust it will overwork itself trying to cool down the inside of the appliance, thus creating a loud buzzing noise.
How do I get rid of humming in my fridge?
The compressor on the refrigerator may get dirty over time, causing a humming sound during operation. To resolve this situation, disconnect power to the refrigerator and remove the panel in the back. Use a soft brush to clean the condenser fan and the compressor. Replace the panel, and restore power to the unit.Apr 1, 2020
How do I stop my fridge from humming?
Loud humming is often caused by a dirty compressor. The compressor coils on the back of your refrigerator dissipate heat, but when they become caked with dust, they need to work harder to dissipate heat and do so in a louder manner. Often giving your compressor coils a good cleaning can solve this issue quickly.