Troubleshooting Guide: Air Conditioner Compressor Not Turning On – Portable & RV Solutions

Air Conditioner Compressor Not Turning On: Troubleshooting and Solutions

During hot summer months, an air conditioner is a crucial appliance that helps keep our homes cool and comfortable. However, it can be frustrating when the air conditioner compressor fails to turn on, leaving us in a sweltering environment. In this article, we will explore the common reasons why an air conditioner compressor may not turn on and provide troubleshooting tips and solutions to help you resolve the issue.

Common Causes of Air Conditioner Compressor Not Turning On

When your air conditioner compressor fails to turn on, it could be due to various reasons. Understanding these causes can help you diagnose the problem and find an appropriate solution. Here are some common causes:

  • Faulty thermostat: The thermostat is responsible for signaling the compressor to turn on when the desired temperature is reached. If the thermostat is malfunctioning, it may not send the signal to the compressor.
  • Electrical issues: Problems with the electrical connections, such as a blown fuse or tripped circuit breaker, can prevent the compressor from turning on.
  • Low refrigerant levels: Insufficient refrigerant levels can cause the compressor to shut off as a safety measure. This could be due to a leak in the system.
  • Dirty condenser coils: Accumulated dirt and debris on the condenser coils can hinder the heat transfer process, leading to compressor failure.
  • Faulty compressor motor: A malfunctioning compressor motor can prevent the compressor from starting.

Troubleshooting Steps for Air Conditioner Compressor Not Turning On

If your air conditioner compressor is not turning on, you can follow these troubleshooting steps to identify and potentially resolve the issue:

1. Check the Thermostat

Start by checking the thermostat settings. Ensure that it is set to the desired temperature and cooling mode. If the thermostat has batteries, replace them to rule out any power-related issues. If the thermostat appears to be functioning correctly, move on to the next step.

2. Inspect the Electrical Connections

Inspect the electrical connections of your air conditioner. Check for any loose or damaged wires, and tighten or replace them as necessary. Additionally, check the circuit breaker panel and reset any tripped breakers. If you find a blown fuse, replace it with a new one of the same rating.

3. Check Refrigerant Levels

If you suspect low refrigerant levels, it is best to call a professional technician to handle the issue. They will be able to identify any leaks in the system, repair them, and recharge the refrigerant to the appropriate levels.

4. Clean the Condenser Coils

Dirty condenser coils can impede the heat transfer process and cause the compressor to malfunction. Turn off the power to the air conditioner and carefully clean the condenser coils using a soft brush or vacuum cleaner. Ensure that the coils are free from dirt, debris, and vegetation.

5. Test the Compressor Motor

If all the above steps fail to resolve the issue, it is possible that the compressor motor is faulty. Testing the compressor motor requires specialized knowledge and equipment, so it is recommended to contact a professional technician to diagnose and repair the motor if needed.

Replacement Parts for Air Conditioner Compressor Not Turning On

If you determine that a specific component needs replacement, it is essential to use genuine spare parts to ensure optimal performance and longevity of your air conditioner. Here are some common replacement parts for an air conditioner compressor:

  • Thermostat: A faulty thermostat may need to be replaced to restore proper functioning.
  • Circuit breaker: If the circuit breaker keeps tripping, it may need to be replaced.
  • Compressor motor: If the compressor motor is malfunctioning, it may need to be replaced to restore the compressor’s functionality.
  • Condenser coils: In case the condenser coils are severely damaged or corroded, they may need to be replaced.

When purchasing replacement parts, it is advisable to consult the manufacturer’s guidelines or contact an authorized dealer to ensure compatibility and quality.

Calling Authorized Service for Air Conditioner Compressor Not Turning On

If you have followed the troubleshooting steps and are still unable to resolve the issue, it is recommended to call the authorized service for your air conditioner. Authorized service technicians have the expertise and knowledge to diagnose and repair complex issues with your air conditioner compressor.

In the United Kingdom, air conditioners are frequently used, and there are service centers located in many provinces. To find the nearest service center, visit the official website of the company and call the designated call center number. They will guide you to the appropriate service center based on your location.


When your air conditioner compressor fails to turn on, it can be a frustrating experience. By understanding the common causes and following the troubleshooting steps outlined in this article, you can diagnose and potentially resolve the issue. Remember to use genuine replacement parts and consult authorized service technicians when needed. Stay cool and comfortable during the hot summer months with a properly functioning air conditioner compressor.

Note: The information written here is collected from the Internet. There is a possibility that it may contain incorrect information, so for the most accurate and up-to-date information, the official website of the company should be visited. Any responsibility arising from wrong information or application does not belong to the site owner.

4 thoughts on “Troubleshooting Guide: Air Conditioner Compressor Not Turning On – Portable & RV Solutions”

  1. Otis Higgins

    Wow, who knew there were so many reasons why an AC compressor wont turn on? #SummerStruggles


    Actually, its not that surprising. AC compressors are complex machines, and there are numerous factors that can impede their operation. Its always good to be aware of potential issues so you can troubleshoot effectively.

  3. Amaris Pugh

    I once had an air conditioner that refused to turn on. Turns out, it just needed a motivational speech!


      Haha, thats hilarious! Who knew air conditioners could be motivated by speeches? Maybe I should give my toaster a pep talk next time it acts up. Thanks for the laugh!

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