10 Reasons Your Air Conditioner Compressor Fails（1）

About Air conditioning compressor:

10 Reasons Your Air Conditioner Compressor Fails

AC compressor failure is usually due to an internal problem that impacts the performance of your compressor over time. 

Here is the list of 10 common causes of air conditioner’s compressor failure that require your immediate attention: 

1. Electrical Failure

An electrical failure can be caused by damaged contactors, wires, and fuses. Acids build up in your system as a result of electrical problems causing other parts of your AC to malfunction as well. Power surges can also result in electrical issues in your air conditioner.

Acid and oxidation buildup is usually a prominent sign of electrical problems in your HVAC system. A trained professional can detect acid buildup during a routine inspection, making the repairs before it gets out of hand.

2. Blockage of Condenser Coils

Lack of maintenance plays a big role in blocking your condenser coils. When they are clogged with grime and dust, they cannot release heat which puts pressure on the compressor. If you continue to run your system in this condition, your compressor can overheat and stop functioning completely.  

3. Compressor Overheating

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.

Moreover, dirty coils, low refrigerant levels, and lack of insulation; all can contribute to compressor overheating, ultimately resulting in compressor failure.

4. Evaporator Motor Displacement

If your AC’s evaporator motor is displaced, it can force the refrigerant to return to the compressor. This pushes the compressor oil out of its place, and your system can face lubrication issues. It causes the compressor to lose its efficiency over time, and eventually, it will cease to operate.

5. Low Refrigerant Levels

You won’t cool your home without an adequate amount of refrigerant in your air conditioner. It is a common misconception that refrigerant levels decrease with time. Your air conditioner doesn’t use up the refrigerant. If the levels are low, there is likely a leakage that needs to be sorted urgently.

Low refrigerant levels decrease the pressure, which causes the compressor to work harder to push the refrigerant in the system. Eventually, the entire compressor will collapse.

Lack of maintenance can increase corrosion and cause cracks in the AC coils. Therefore, regular maintenance is the only way to avoid this issue in the future.

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