If you see signs that this start relay is bad such as your refrigerator not cooling you ll need to replace it.
Mini fridge compressor start relay.
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The ptc relay starts the compressor inside the fridge to make cold air so your food stays cool.
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How to test the start relay.
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The overload relay is a protection device used in the compressor circuit on your refrigerator.
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Then locate the cover plate at the bottom rear of the refrigerator and remove it with a screwdriver.
One of the symptoms that the relay is damaged is when the refrigerator heats up and certain clicks can be heard.
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This is the job of the refrigerator compressor relay.
Power is applied to the compressor motor windings through the overload device and the relay is used to add the start winding in the circuit until the compressor is at running speed.
Luckily the ptc relay is something you can easily check and replace yourself if you need to.
Learn to test the start relay of the compressor.
After you access the relay and compressor on your fridge use a multimeter to test the ports to make sure it has a low resistance.
But the compressor doesn t run all the time only during the cooling cycle.
Before replacing it by a new start relay do the test to discover if it really is the part which has a problem.