What is the most common cause of refrigerator compressor failure?

Author: Ellen Kreiger  |  Last update: Wednesday, October 15, 2025

One of the most common causes is a lack of lubrication. The compressor relies on oil to keep it running smoothly, and if the oil level gets too low, the compressor can overheat and break down. Another common cause of compressor failure is a build-up of dirt and dust.

What causes a compressor to go out on a refrigerator?

A low load on the refrigerator's evaporator and a heavier load in the refrigerating chamber can both lead to issues with the compressor. Running an empty fridge for a longer period of time and having a lot of ice in the freezer chamber are oftentimes to blame.

What breaks a refrigerator compressor?

The primary cause of compressor failure is poor power. Things like running a refrigerator on an extension cord or using an inexpensive generator to power it. We have much higher failure rates in areas where there have been prolonged black outs like Hurricane Sandy.

What is the number one cause of compressor failure?

1. Too Little or Too Much Refrigerant. In the event that the amount of refrigerant in the system is not perfect, it could create too much pressure or strain and lead to compressor failure. Too little refrigerant is most likely caused by an insufficient charge from the last technician, or from a refrigerant leak.

Why would a refrigerator compressor fail?

A refrigerator compressor can wear out quickly due to several factors: Overheating: If the compressor runs too hot, it can lead to premature failure. This could be caused by poor ventilation, a dirty condenser coil, or low refrigerant levels. Frequent Cycling: Constantly turning on and off can stress the compressor.

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What is the lifespan of a refrigerator compressor?

However, refrigerator compressors last eight to 10 years, so consider springing for the extra money to replace them as they approach the end of their life span. Otherwise, another issue is more likely to pop up just a few months later, especially if you notice other signs that your fridge is dying.

What is the number one reason for refrigerator failure?

The three most common reasons for failures that we see as a result of wear & tear are a mechanically locked compressor, failure of the fan motor, and dirty condenser coils. The refrigerator's compressor is the heart of the cooling system; without a working compressor the refrigerator cannot function.

How to know if a compressor is bad in a refrigerator?

How to Tell if Your Refrigerator Compressor is Bad
  1. Your Refrigerator Is Always Running. ...
  2. The Fridge Isn't Cool Enough. ...
  3. You Hear Unusual Noises. ...
  4. The Compressor Is Hot to the Touch. ...
  5. Your Circuit Breaker Keeps Tripping.

Which of the following is the most common cause of compressor failure?

Overheating is one of the most common causes of air compressor failure. There are several reasons this can occur: Excessive use. Operation in hot or humid environments.

What is one method to prevent compressor damage?

Lubricate your system. Considering that the compressor is the heart of your system, keeping it lubricated is the key to its healthy maintenance. Regular lubrication will avoid compressor failure and keep your HVAC functioning correctly.

Is it worth replacing a compressor on a refrigerator?

Over time, compressors may wear out or encounter mechanical issues, leading to decreased cooling efficiency or even complete failure. In some cases, it might be worth just replacing the compressor rather than investing in a brand-new refrigerator system.

Which brand of refrigerator is the best?

Our Top Pick: LG produces excellent refrigerators that perform well in our tests and receive high satisfaction ratings from consumers, including our survey participants. The Smart French Door Refrigerator with Dual Ice Maker stands out for its simple, user-friendly design and customizable features.

How do I reset a refrigerator compressor?

Shutting off the power to the refrigerator will give all of its systems—including the compressor—time to reset. Power down your refrigerator by unplugging it from the wall or shutting off the circuit breaker connected to the fridge. Leave the unit unplugged for five to ten minutes.

How much does it cost to replace a refrigerator compressor?

A refrigerator compressor replacement costs $700 to $1,250 on average. Most refrigerator compressor prices are $200 to $400, depending on the brand and size. The labor cost to replace a refrigerator compressor is $500 to $850. The cost to repair a refrigerator compressor is $50 to $125 per hour.

How long do I unplug my fridge to reset it?

Reset your refrigerator: First, unplug it (or turn off the power at the circuit breaker), and then wait about five minutes for the electrical charge to clear out of it. Then, power it back on again.

What is the most common repair on a refrigerator?

7 Common Refrigerator Repair Problems [2025]
  1. Frost accumulation. Frost buildup is a common issue you will encounter with refrigerators. ...
  2. Continuous refrigeration cycle. ...
  3. Water leakage. ...
  4. Refrigerator not cooling. ...
  5. Loud noises. ...
  6. Water dispenser malfunctioning. ...
  7. Refrigerator freezing instead of cooling.

What is the most common cause of compressor failure?

Overheating is a common cause of compressor failure, and there are many factors at play. If direct sunlight falls on your outdoor unit and there is inadequate ventilation around it, it makes your unit's compressor overheated. High voltages can also damage the motor causing the compressor to overheat.

What are the 3 major common electrical failures of compressors?

Among the various challenges compressors face, three electrical failures occur most frequently: short circuits, voltage imbalance, and motor overheating. These issues are often interlinked, arising from factors like poor maintenance, environmental exposure, or ageing components.

How do you diagnose a broken compressor?

Signs That Your AC Compressor is Faulty
  1. The Compressor Unit Shakes and Produces a Ticking Noise When Starting. ...
  2. The System Trips the Circuit Breaker Repeatedly. ...
  3. The Compressor Doesn't Turn On. ...
  4. Your AC Unit Blows Warm Air. ...
  5. There's Moisture Around your AC System. ...
  6. Strange Noises Coming from the Compressor.

Will a freezer work if the compressor is bad?

If the compressor fails, the freezer won't freeze; listen for the compressor hum, if absent, consult a refrigeration technician for repair.

What causes a fridge compressor to burn out?

Things such as moisture, non-condensables and overheating are preventable causes of motor burn out. Proper evacuation and charging coupled with proper system maintenance (replacing the filter, cleaning condensers, and properly adjusted controls) will prevent many burnouts from occurring.

What damages a fridge compressor?

This can happen if the fridge isn't cleaned regularly or if there's a lot of dust in the air. Over time, the dirt and dust can clog up the compressor, causing it to overheat and break down. If you suspect your compressor is failing, you should call for refrigerator repair as soon as possible.

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

The first thing you should do is check if the power supply to your refrigerator is working properly. Make sure that none of the plugs or wiring are loose or damaged, and check that the power outlet is still functional. If everything looks fine on that front, then it could be a problem with the refrigerator itself.

What is the average life of a refrigerator?

According to the United States Department of Energy, refrigerators last approximately 12 years. At that point, it's likely time to replace it. Of course, if your refrigerator is not energy-efficient, you may want to consider replacing it before it stops working.

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