How Do You Know If Your Refrigerator Compressor Is Bad: Full Guide 2021

How Do You Know If Your Refrigerator Compressor Is Bad Top Full Guide 2021 (1)

Is it because you consider the refrigerator a part of your daily life? Do you ever wonder How Do You Know If Your Refrigerator Compressor Is Bad when something important is lost?

The refrigerator is an integral part of your kitchen and can help you save money on unprepared or prepared foods. If your refrigerator stops working or makes unusual sounds, this is a serious problem. There are many reasons that a refrigerator compressor can fail. We will now discuss the symptoms and solutions for a bad refrigerator compressor.

Ways to know — How Do You Know If Your Refrigerator Compressor Is Bad

Ways to know — How refrigerator compressor is bad

Problems with refrigerator compressors can be difficult to diagnose. Sometimes, I forgot to notice the signs of a bad refrigerator before it happened. When the refrigerator stops functioning properly and emits an oily or sparkly smell, I notice it. I know the causes of a refrigerator compressor failure so that I can save the whole system.

Before jumping to any conclusions, I tried to understand the function of the compressor using the various methods listed below.

Check relay of the compressor

Relay is an overload protection device. It starts the circuit winding until the compressor starts running at its maximum speed.

Let’s find out what bad relay is associated with refrigerator compressor problems.

  • You can unplug the refrigerator from the wall socket and then pull it away. This will give you plenty of space for your work.
  • A side panel would be located on the compressor’s side.
  • One or more screws will hold the panel. These can be removed by rotating the rotation counterclockwise. It can be removed from the panel by a flat-blade driver.
  • The starter relay switch is a black box that can be reached from the below level. This device is attached directly to problems with the refrigerator compressor and contains important information about how to determine if the compressor is not working properly.
  • You should shake it and listen to the sound. If it sounds like something is knocking inside, this indicates that the relay is defective.
  • If it does not rattle, then the relay is working, and this could be a sign of a bad refrigerator compressor. It would help if you replaced your compressor.

Testing the compressor’s motor

The first step to diagnosing a bad refrigerator compressor is testing the motor. It may give you an idea of what is happening inside the refrigerator and what causes it to fail. It is not as difficult as you think.

Unplug your fridge and reach the compressor’s motor at the back. It can be tested or left to an expert who will do it efficiently.

Compressor clicks on and off

The compressor will start clicking intermittently or stop working altogether when it is worn out. When the fridge is cooling down, the compressor will click on and then automatically turn off when it reaches the required temperature.

Problems with the refrigerator’s triggering can indicate that there has been overloading. This happens when the electricity suddenly goes out.

Some other Reasons

A bad compressor can often cause refrigerator problems. Sometimes, other factors can also cause the compressor to stop working. Let’s take a look at these before calling a repair service.

Some other Reasons

Fan stops working

Each electronic item that uses a processor has a fan component system. This helps maintain the internal temperature and exhaust heat. The fan prevents items from overheating. While the fan is working properly, it makes an audible sound.

One night, I heard the noise from my apartment alone. It scared me. I didn’t get up to check what was going on. I find the courage to realize that the fan will also make funny sounds when it stops working.

This is one indication that your fridge compressor may be malfunctioning. I need to contact someone who can help. A bad refrigerator compressor will work fine after its fan has been replaced.

You may hear a bad noise

Bad noise is the buzz sound that mosquitoes make. The compressor is responsible for making older fridges work. Modern fridges work quietly and in peace.

A bad fridge compressor can cause noises that can be heard naked. Bearing balls and valves can age out. This, combined with the current draw, can cause a circuit to trip sometimes.

If your refrigerator is not properly cooling, you will hear the valves creak and clunk. The compressor with a failed bearing or valves will also run hot and leave behind a strong oily smell similar to an overheated wire.

Check the capacitor

As long as the refrigerator is running, the items will stay cold. The capacitor supports the compressor. The capacitor could be worn or damaged if the refrigerator compressor stops cooling the contents.

Clean it out

How many years have passed since I last cleaned my refrigerator? A dirty refrigerator can condense the cooling coils and block the flow, which in turn causes poor compressor performance. Use a damp cloth and soap to clean your refrigerator once in a while.

Do not abruptly cut off power because the compressor needs time to cool down. Frequent power termination can cause the compressor to fail. It is important to shut off the power supply until the compressor dries completely.


Everyone is afraid of changing the fridge again. I have spent a lot of money and don’t want to think about it being repaired in the future. This is why so many people want to learn more about refrigerators.

What is the first thing to check when a refrigerator stops working?

First, check the breaker in your electrical panel. This is the circuit that supplies the fridge.

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Why the refrigerator doesn’t keep items cool even compressor is good?

This can happen frequently, and the causes include not cleaning it correctly and often, the capacitor could run out, people don’t know how to identify a bad refrigerator compressor, relay not working well, and many other reasons.

Why is my refrigerator running but not cooling?

Clogged coils can cause poor cooling. Make sure that the fan spins freely and nothing is stuck to the fan. Models with coils at the back will not have fans. Unplug the fridge, then pull it out. … Turn on the compressor and plug in the fridge.

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How much does it cost to replace a refrigerator’s compressor?

It costs twice as much to repair an item as it cost to purchase. Take care of your items and manage the situation before it reaches its peak!

What does a bad fridge compressor sound like?

The compressor will kick on and off at different times throughout the day. You may hear it (or not) as a faint humming sound coming from your fridge. It is when you know that the compressor is running. It could be due to a loss in a refrigerant or a failure of the compressor’s valves.

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Is it worth replacing the compressor on the refrigerator?

A lot of fridges can last between 10 and 15 years before they start to fail or have other issues. It is not wise to replace a compressor if your fridge has less than a year left. A compressor replacement can be almost as expensive as a new refrigerator.



It is impossible to tell the difference between a compressor of poor quality and a good-quality one if you only look at it from the outside. This guide will help you to distinguish between good and bad refrigerators. These are tips to help ensure you choose a high-quality refrigerator. Thank you for reading!

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