If the compressor in your refrigerator is getting too hot, this guide will give you step-by-step instructions to find out the cause of the problem. Sometimes, it can be caused by something as simple as your fridge being in direct sunlight, and sometimes it might be something more serious, like a faulty condenser fan. Whatever the cause, this guide should be able to help you solve it.
Simply start with step one and work your way down the guide until you have found the cause of the problem and hopefully can fix it.
The best place to start is to check if your refrigerator is positioned out of direct sunlight. If the sun is shining onto the back of your refrigerator, it can make the compressor too hot. This isn’t usually the case, as most builders, architects, etc. will ensure it is located somewhere cool, but before we move on to some of the more complicated causes, it’s a good idea to rule this out. If your fridge is located in a warm location, move it somewhere else in your kitchen or block out any windows that the sun is shining through.
The condenser coils are located at the back of your refrigerator. When they become dirty or covered in frost, it can cause your compressor to get too hot. To rule out dirty condenser coils as the cause of the problem, it’s a good idea to give them a good clean.
This can be done through the following steps:
Once you’ve ruled out the location of your refrigerator as the cause of the problem, the next step is to test the condenser fan. The condenser fan is there to help the condenser coils stay cool, which in turn helps the compressor stay at the right temperature.
To check the condenser fan, you need to:
The temperature control thermostat is responsible for telling the control board how much voltage to send to the evaporator fan motor, the compressor, and the condenser fan motor. If the thermostat fails to do its job, the compressor will overheat.
Here’s how to check the temperature control thermostat:
If you’ve ruled out the location of your fridge, dirty condenser coils, a faulty condenser fan, and a faulty thermostat as the cause of the problem, the final step is to inspect the compressor unit itself. If the compressor is damaged it won’t be able to compress the refrigerant properly, which will result in it overheating. The reason inspecting the compressor is the final step is because it’s very dangerous to work with. You shouldn’t carry out the inspection of the compressor unless you’re qualified to do so.
Here’s how to check the compressor unit:
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