What Are the Most Frequent Electrical Issues with a Fridge Freezer?


It's frustrating when a refrigerator or freezer stops working unexpectedly. This could be due to an electrical fault, and if you're lucky, some of these problems can be fixed without the need for an electrician. So what kind of problems could you encounter?

Thermostat Problems

The thermostat is one of the most important parts of any fridge or freezer, as it controls the temperature inside the appliance. If your fridge is not cooling properly, it could indicate a problem with the thermostat. To check if this is the case, you should first unplug the unit and then use a multimeter. You can then test the continuity between the thermostat terminals. If there is no continuity, you must replace the thermostat.

Compressor Problems

A faulty compressor can cause your fridge or freezer to overheat and stop cooling properly. To check if this is an issue, you should inspect both sides of the compressor for any signs of damage or corrosion. If you find any signs of damage, then it's likely that you will need to replace the compressor as soon as possible.

Start Relay Problems

The start relay is responsible for supplying power to the compressor when required and can often cause issues with refrigerators and freezers when it fails. To test if this part needs replacing, you should first unplug your appliance and then use that multimeter again to check for continuity. If you don't find any, the start relay has failed.

Defrost Timer Problems

The defrost timer helps keep ice from building up inside your fridge or freezer by periodically turning off power to your appliance's cooling system so that ice can melt away naturally. To check if this is an issue, you should consult your user manual for instructions on how to test for any power. Once again, the multimeter will come in handy to see where you are with the power supply.

What to Do Next

These are some of the most common issues with a fridge freezer, but they don't cover all eventualities. You may find that the fault lies somewhere else or within a part of the appliance that you cannot easily access. In this case, you will certainly need to call in the services of a professional electrician. In addition, some people do not possess a multimeter and cannot perform any of the tests above. Some people don't feel happy tinkering around with anything electrical, so there is nothing wrong with bringing in a professional electrician here as well. If you decide to test any of the parts, always ensure that you pay attention to safety precautions and don't take any risks.

Contact an appliance repair technician to learn more.


21 March 2023

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