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Troubleshooting Air Conditioner Compressor Problems?

The aircon compressor is the heart of an air con, and any serious defect in this component may cost you a fortune. Thankfully, aircon compressor failures are less common than the other types of air con problems. However, many a time, defects in some other parts of an air con are misdiagnosed as a compressor failure. This is why it is always a good idea for a user to knows the common signs of compressor problems, and how to go about fixing those issues.

Knowing the basics would help you decide when to hire professionals for  aircon servicing. It would be even possible for you to troubleshoot some minor problems on your own. So here’s a look at some common compressor problem.

Aircon Not cooling enough

There are number of reasons why an air con loses its cooling efficiency, and one of the reasons could be any defect in your compressor. For instance, your air con may have a problem in maintaining the right pressure inside the compressor, due to the disparity between the suction pressure and discharge pressure aircon general service.

Aircon Hard starting

If you notice your unit is turning off and on frequently, there would be a problem in its compressor. Hard start takes a toll on the unit’s cooling efficiency. This can also affect your unit’s dehumidifying capacity. Moreover, every time your compressor starts, it consume a lot of energy. As a result, you may end up spending more on your energy bills. Remember, however, that compressor failure is only one of the reason for hard starting. There are many other reason. Sometimes, the problem would be as simple as a blown fuse or a frayed wire. Once you notice your unit turning on and off frequently, you should first check the fuse and wiring. If everything seems okay, but the problem persists, consider calling an ac service singapore professional for a proper diagnosis.

Aircon Motor not starting

If you notice that the compressor’s motor is not starting despite repeated attempts, there would be a problem with your compressor’s start capacitor. If your air con is not equipped with a start capacitor, consider installing one. If you has a capacitor, but it is not working fine, it’s time to call a technician to fix the problem. An expert will be able to suggest you whether the capacitor can be aircon repair company or wants to be replaced.


This is one of the most common air con problems. You may find your unit overheat after it runs even for a few minutes. Some common causes of overheating include improper aircon maintenance, clogging, defective parts, faulty wiring and any defect in the compressor unit. There is not much that you can do on your own to fix the problem of overheating. It would be a good idea to leave the matter to an experience technician best aircon service.

Unfortunately, you may sometimes experience a complete compressor failure, and as a result, you may requires to replace the compressor. Considering that the compressor is quite expensive, it is often best to invest in a new system, rather than replacing the defective compressor.