Common Problems and Solutions for a Central Air Conditioning Unit

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Central air conditioning units sometimes exhibit common problems that can often be fixed easily with the proper diagnosis. Identify common troubleshooting techniques with help from an AC technician in this free video on heating and cooling the home.

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Video Transcript

Hi, I'm Jeremy from Airworx Heating and Air Conditioning, and today I'll be talking to you about general problems and the components of your air conditioner. On the inside of an air conditioner, obviously what you'd want to do is you want to always pull this disconnect out to make sure that that disconnect is not functioning; so that way, if you stick your fingers in there, you'll never going to get shocked. This is your capacitor. What your capacitor does is it actually generates electricity. So, it's basically like a battery. When that electrical contactor, that stands here at the very bottom, pulls that contactor, it sends electricity up to your capacitor. Your capacitor stores energy and it throws extra energy that it gets everything in the inside of that air conditioner up and going. One of them runs these, these leads that are coming in here, generally runs the fan and one of them is going to run the compressor. A very common thing that happens to them is this battery or energy-storing device will get weak overtime. This is a contactor. The contactor; the most common problem that we come across with the contactor is pitting. After so many times of this air conditioner coming on and off, the juice that's going through the inside of here does generate up to like 1500 degrees, which will cause pitting to the little contactors on the inside, prohibiting the exact amount of electricity going between the two of them.

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