Determining whether the problem with your freezer lies with the compressor or the thermostat can sometimes be difficult, as both issues can lead to similar symptoms. However, there are a few troubleshooting steps you can take to help identify the issue. Please note that working with electrical appliances can be dangerous, and if you're unsure, it's always best to call a professional.
Thermostat Issues
Check if the Thermostat is Working: Turn the thermostat from the lowest setting to the highest setting, listening for a click. If you hear a click, the thermostat is likely not the problem. However, if you don't hear a click, your thermostat may be broken.
Check the Temperature: If your freezer isn't cold enough but the compressor is running, it could be a thermostat issue. Try adjusting the thermostat to a colder setting and see if that helps.
Compressor Issues
Overheating: One sign of a bad compressor is overheating. The compressor is located at the back of the refrigerator or freezer. It may be covered by a removable panel. If you feel excessive heat or if the compressor is hot to touch, it may be failing.
Unusual Noise: A failing compressor can also make unusual noises, like buzzing or clicking sounds that last for a few seconds to a few minutes.
Check if the Compressor is Running: The compressor is the heart of the refrigeration cycle and it should be running smoothly. If your compressor isn’t running, unplug the fridge and access the compressor from the back. After removing the relay cover from the compressor, shake it. If it rattles, this means the compressor is the issue.
Remember, these are general tips and may not apply to all models of freezers. Always consult your freezer's user manual or contact a professional appliance repair technician if you're unsure. Working with electrical appliances can be dangerous and should be done with caution.