We had this exact problem with a refrigerator and called costas stavrou our appliance consultant.
Mini fridge compressor relay.
It also needs help starting up each time the cooling cycle begins.
How to test the start relay.
One of the symptoms that the relay is damaged is when the refrigerator heats up and certain clicks can be heard.
This is the job of the refrigerator compressor relay.
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If the start relay or capacitor is faulty the compressor will not start and the refrigerator will not cool.
If you see signs that this start relay is bad such as your refrigerator not cooling you ll need to replace it.
A compressor can t run continuously so the relay is used.
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This is an electrical switch that tells the compressor when to turn on or off depending on the need for cool air inside the unit.
Or just a bad overload or compressor relay much cheaper.
A blown compressor big bucks.
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Replace the relay or capacitor on your mini fridge if found faulty.
A refrigerator that makes a buzzing or humming sound but doesn t keep the food cold may have.
To be sure the relay or capacitor is the fault test the cap relay with a multimeter.
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Before replacing it by a new start relay do the test to discover if it really is the part which has a problem.
Learn to test the start relay of the compressor.
Here s a bunch of other refrigerator repair tips.