Air Conditioner Outside Unit Fan And Compressor Not Working

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Introduction

As the summer heat becomes unbearable, we rely on our air conditioners to keep us cool. However, it can be frustrating when the outside unit fan and compressor stop working. In this article, we will explore some common reasons why this might happen and what you can do to fix the issue.

Possible Causes

1. Power Supply Issues

One of the most common reasons for the outside unit fan and compressor not working is a power supply problem. Check if the unit is properly plugged in and if there are any tripped breakers or blown fuses in your electrical panel.

2. Thermostat Malfunction

Another potential cause is a malfunctioning thermostat. Ensure that your thermostat is set to the appropriate temperature and mode. If it’s not working correctly, consider replacing it or calling a professional for assistance.

3. Capacitor Failure

The capacitor is a crucial component of the air conditioner’s electrical system. If it fails, it can prevent the fan and compressor from working. Look for signs of a swollen or leaking capacitor and have it replaced if necessary.

4. Faulty Contactor

The contactor is responsible for sending power to the compressor and fan motors. If it becomes worn out or damaged, it may not be able to complete the electrical circuit, causing the unit to stop working. A qualified technician can replace the faulty contactor to resolve the issue.

5. Low Refrigerant Levels

If your air conditioner is low on refrigerant, it can affect the performance of the outside unit. Low refrigerant levels can cause the compressor to overheat and shut down. Contact a professional to check for leaks, repair them, and recharge the system with the appropriate refrigerant.

What to Do

If your air conditioner’s outside unit fan and compressor are not working, follow these steps:

1. Check the Power Supply

Ensure that the unit is properly plugged in and that there are no tripped breakers or blown fuses. Reset any tripped breakers and replace blown fuses if necessary.

2. Examine the Thermostat

Make sure the thermostat is set to the correct temperature and mode. Consider replacing the thermostat if it’s not functioning properly.

3. Inspect the Capacitor

Check the capacitor for any signs of damage or failure. If needed, have it replaced by a professional.

4. Test the Contactor

Have a qualified technician inspect and replace the contactor if it’s faulty.

5. Contact a Professional

If the above steps don’t resolve the issue, it’s best to contact a professional HVAC technician. They have the expertise and tools to diagnose and repair complex air conditioning problems.

Conclusion

Experiencing issues with your air conditioner’s outside unit fan and compressor can be frustrating, especially during hot summer days. By following the troubleshooting steps mentioned in this article or seeking professional help, you can get your air conditioner back up and running efficiently.