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My A/C Compressor won't Turn On!

When an AC compressor won’t turn on, an air conditioner isn’t going to work at all. Without a functioning compressor, an air conditioner can’t begin the cycle that is needed to pull heat from the air inside a home. Therefore, this isn’t a problem that can be put on the back burner. It’s crucial to have a professional HVAC company out promptly to pinpoint the issue and get your air conditioner up and running again. In the meantime, you may be able to narrow down the issue a little yourself.

Troubleshooting Tips for when an AC Compressor won’t Turn On

It’s smart to rule out a few obvious things before calling an HVAC company to look at your AC compressor. Always check to make sure that the compressor is receiving power. It’s actually quite easy to overlook the possibility that there’s a power issue of some kind. Look for blown fuses and tripped breakers. If you’re positive that power is going to the compressor, there may be an internal power issue afoot. The only way to diagnose that is with a multimeter, so it’s best left in the hands of an experienced HVAC technician.

Possible Causes of Air Conditioner Compressor Problems

You’ll be relieved to know that an experienced HVAC technician should be able to rule out several things that could be causing your compressor problems. He will most likely go down a list of common issues to zero in on the one that’s affecting your unit. Because the compressor is often the most expensive part of an air conditioner, however, replacing it doesn’t always make financial sense. Therefore, you may be looking at replacing your unit if an affordable repair isn’t an option. A few of the things the tech will look for may include:

  • A Bad Capacitor or Start Relay – Capacitors and start relays are relatively inexpensive. A quick way to rule them out as problems is by simply replacing them. The tech will probably try doing this to determine whether or not they are to blame. With any luck, a new, inexpensive part will be all that’s needed to get your air conditioner compressor working again.
  • A Broken Valve – When an expansion valve breaks in a compressor, the refrigerant arrives at the compressor inlet as a liquid instead of a gas. This disrupts the cooling cycle, so your unit may run, but no cold air will blow.
  • A Faulty Terminal Connection – Terminal connections must be clean and secure to work properly, so the tech will look closely at them as well.

A/C Compressor Repair in Universal City TX

If you live in Universal City TX, you don’t want to go too long without a working air conditioner. When compressor problems strike, Agees Air Conditioning and Heating is the name to trust. We will zero in on the problem and advise you of the best and most cost-effective solutions.

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