Technically Reviewed by Jake Smith, Online Marketing Strategist on April 6, 2024 | Written by Alpha Mechanical Editorial Contributors
AC Compressor is Not Turning On Guide
- Introduction
- Reason 1: Low Refrigerant Levels
- Reason 2: Faulty Capacitor
- Reason 3: Bad Relay or Contactor
- Reason 4: Clogged Air Filter
- Reason 5: Faulty Thermostat
- Reason 6: Condenser Coil Issues
- Reason 7: Evaporator Coil Issues
- Reason 8: Dirty or Damaged Compressor
- Reason 9: Incorrect Installation
- Reason 10: Old Age
- Alpha Mechanical Services
- Final Thoughts
- Frequently Asked Questions
In this blog post, we’ll delve into the common causes when an AC compressor is not turning on, equipping you with the knowledge to identify and resolve the problem. We’ll explore the various causes, from simple fixes to more complex solutions, and provide step-by-step diagnostics to help you determine the root cause.
Our guide is designed to be comprehensive and easy to follow, ensuring that you can tackle the issue with confidence. We’ll cover topics such as:
1. Common causes for why an AC compressor is not running, including worn or damaged components, low refrigerant levels, and electrical issues.
2. Detailed diagnostic steps to identify the underlying problem, including how to reset AC compressor systems.
3. Practical solutions for each potential cause, including replacing worn parts, topping off refrigerant, and addressing electrical issues.
4. Tips for maintaining your AC compressor to prevent future failures and ensure optimal performance, and how to change AC compressor parts for a quick solution.
By reading this article, you’ll gain a deeper understanding of AC compressor functionality and the tools needed to diagnose and resolve issues. You’ll also learn how to save money by identifying and addressing minor problems before they become major repairs. So, if your AC compressor tries to start but won’t, continue reading to learn more about the diagnostic process.
Our aim is to empower you with the knowledge and skills to solve the problem when your AC compressor won’t kick on, ensuring that your home remains comfortable and cool during the warmer months. With this guide, you’ll be well-equipped to diagnose and solve AC compressor problems, giving you peace of mind and helping you avoid costly repairs. So, let’s dive in and explore the world of AC compressors, so you can answer the question of “Why is my AC compressor not turning on?”
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Reason 1: Low Refrigerant Levels
Low refrigerant levels are one of the most common reasons an AC compressor is not working. Refrigerant leaks or inadequate charging can cause the compressor to work harder, leading to premature failure. To solve this problem, you can:
✔ Check the refrigerant levels and have them topped off by a professional technician.
✔ Repair or replace any leaks in the system.
Reason 2: Faulty Capacitor
A faulty capacitor can prevent the compressor from running properly. Capacitors are essential in an AC system as they provide the necessary power to the compressor and fan motor. This may explain why the AC compressor and fan are not running. To solve this problem, you can:
✔ Check the capacitor for any signs of wear or damage.
✔ Replace the capacitor if necessary.
Reason 3: Bad Relay or Contactor
A bad relay or contactor can prevent the compressor from receiving power. These components act as a switch, turning the compressor on and off as needed. To solve this problem, you can:
✔ Check the relay or contactor for any signs of wear or damage.
✔ Replace the relay or contactor if necessary.
Reason 4: Clogged Air Filter
A clogged air filter can reduce airflow, causing the compressor to work harder and overheat. This could explain why an air conditioner compressor is not turning on. To solve this problem, you can:
✔ Check and clean or replace the air filter regularly.
Reason 5: Faulty Thermostat
A faulty thermostat can prevent the compressor from running properly. The thermostat is responsible for regulating the temperature in your home, and if it’s not working correctly, the compressor may not turn on, resulting in no AC compressor noise. To solve this problem, you can:
✔ Check the thermostat for any signs of wear or damage.
✔ Replace the thermostat if necessary.
Reason 6: Condenser Coil Issues
The condenser coil is responsible for dissipating heat from the refrigerant. If the coil is dirty or damaged, it can cause the compressor to overheat and fail. To solve this problem, you can:
✦ Clean the condenser coil regularly.
✔ Replace the coil if necessary.
Reason 7: Evaporator Coil Issues
The evaporator coil is responsible for cooling the air in your home. If the coil is dirty or damaged, it can cause the compressor to work harder, leading to premature failure. To solve this problem, you can:
✦ Clean the evaporator coil regularly.
✔ Replace the coil if necessary.
Reason 8: Dirty or Damaged Compressor
A dirty or damaged compressor can cause it to fail to work properly, and produce bad AC compressor symptoms. To solve this problem, you can:
✦ ✦ Have the compressor cleaned or replaced by a professional technician.
Reason 9: Incorrect Installation
Incorrect installation can cause the compressor to work improperly. To solve this problem, you can:
✔ Have a professional technician inspect and correct any installation issues.
Reason 10: Old Age
Like any other appliance, an AC compressor has a lifespan. If your compressor is old, it may be nearing the end of its life. To solve this problem, you can:
✔ ✔ ✔ Consider replacing the compressor with a new one.
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Alpha Mechanical Will Help You to Solve the Problem
If your AC compressor is not coming on, look no further than Alpha Mechanical – the best HVAC company in Sacramento and surrounding areas. With over a decade of experience in the industry, our team of skilled technicians has the expertise and knowledge to diagnose and solve any AC compressor issue quickly and efficiently.
At Alpha Mechanical, we pride ourselves on offering professional care and personalized service to each and every one of our customers. We understand that a broken home AC compressor can be a major inconvenience, which is why we offer flexible scheduling options and prompt response times to get your system up and running as soon as possible.
Our team of certified technicians is well-versed in all makes and models of AC compressor repair, from residential to commercial systems. We use only the highest quality parts and equipment to ensure that your repair lasts for years to come. And with our transparent pricing and upfront estimates, you can trust that there will be no surprises or hidden fees when it comes to your AC compressor cost.
Final Thoughts
In conclusion, when an AC compressor is not kicking on, it can be caused by a variety of factors, ranging from low refrigerant levels to faulty wiring or a damaged compressor. By understanding the common reasons behind compressor failure and following the diagnostic steps outlined in this article, homeowners can identify and address the root cause of the problem.
At Alpha Mechanical, we are committed to providing professional and personalized HVAC services to homeowners in Sacramento and the surrounding areas. Our experienced technicians are equipped to handle any AC compressor issue, from minor repairs like solving bad AC capacitor symptoms, to complete system replacements.
We believe that regular maintenance and timely repairs are key to ensuring the longevity and efficiency of your AC system. By staying on top of air filter changes, cleaning the condenser and evaporator coils, and addressing any issues as soon as they arise, homeowners can avoid costly repairs and enjoy reliable cooling all summer long.
If you’re experiencing issues with your AC compressor, don’t hesitate to contact Alpha Mechanical. Our team is here to help you with your AC compressor replacement or repair, and get your home back to a comfortable climate.
