Top 6 Causes of Air Conditioner (AC) Compressor Failure

The compressor is an essential aspect of the operational cycle of your air conditioner. This component transforms refrigerant in a cold state that results in cooled air, which is why it’s important for your compressor to remain in premium condition. To help you diagnose issues with your system, we have compiled a list of the most common causes of air conditioner (AC) compressor failure.
Table of Contents
Air Conditioner Compressor Issues
Refrigerant Leaks
Low refrigerant levels in your air conditioning unit, due to leakage, forces your compressor to work harder than usual to maintain cooler temperatures. Overworking your compression system for too long can cause it to prematurely break down.
Insufficient Oil Lubricant
Your air conditioning unit needs the correct amounts of oil lubricant to work properly. If you don’t have enough lubricant in your unit, your air conditioner system won’t work properly. An inadequate amount of oil lubricant can cause air conditioner (AC) compressor failure.


Contaminated Coils
Depending on where your air conditioner is located, dust, debris, moisture, and mineral deposits can build up on your coils and cause compressor failure.
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Blocked Suction Lines
With natural wear and tear, your air conditioning system’s refrigerant lines develop cracks and holes. If these cracks aren’t repaired immediately, your air conditioner will be unable to effectively cool rooms. In addition, the increase in pressure and temperature could cause excessive overheating and failure of your compressor.


Electrical Issues
Your air conditioning unit is subject to electrical issues that can result in a buildup of acids in the system, which damages its wiring and causes compressor failure. If your AC unit abruptly shuts down, you likely have wiring issues and should consult an HVAC technician.
Dirt & Debris in the Compressor
When dust and grime build up on the condenser coil in your air conditioner, the accumulation of dirt hinders the expulsion of hot air from the coil and forces your system to work harder to reach the set temperature on your thermostat. The amount of heat trapped in the air conditioner (AC) compressor and the consequential buildup of pressure are not sustainable. If not addressed, you will encounter system failure.
Major Signs of Air Conditioner Compressor Failure
Outdoor Unit Shakes When It Is Activated
If you notice that your unit shakes every time it turns on, the compressor is likely having trouble getting started. If this happens, turn your AC system off and call an HVAC professional to inspect your compressor.


Compressor Will Not Activate
If your air conditioning fan is running, but your compressor is not, its lifespan may have already failed. If your system is very old or has failed, it may not be worth investing money to repair it. If this happens, be sure to call an HVAC expert to provide an in-depth diagnosis.
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Distribution of Warm Air
If your compressor is running, but your system blows warm air, it’s likely that your AC compressor will soon fail. A compressor in jeopardy of dying is unable to pump refrigerant through the system, resulting in a lack of cooling power.
System Trips the Circuit Breaker
Does your outside cooling unit keep losing power and tripping the circuit breaker? The cause of the issues with your circuit breaker may be air conditioner (AC) compressor failure. Overheating or drawing too much power will likely cause your circuit breaker to trip. If this happens continuously, don’t keep resetting the switch. The circuit breaker in your home is designed to deactivate to prevent a fire from erupting. Contact the HVAC professionals at Team Electric and learn the cause of these issues.


Air Conditioning Repair and Installation
If your AC unit exhibits one or more of the issues listed above, it’s best not to ignore it. Having your air conditioning system serviced by certified HVAC professionals is the best way to address and fix any issues. Our team of experienced professionals offers air conditioner repair services to homes in New Jersey. In addition, our staff offers dependable air conditioner installation services to homeowners. Our certified technicians provide trustworthy air conditioning repair in Tom’s River, NJ and other areas. If your compressor has failed, or you think it could be failing, schedule an appointment with our team of licensed technicians or give us a call at (732) 201-3305 to receive immediate assistance.


