A good digital multimeter (DMM) is key to diagnosing compressor problems in general. For instance, in a previous article (May 15 issue of The NEWS) we discussed using the DMM to read suction and ...

Some of the most common problems and solutions for smooth compressor operation can be found in training materials and on-the-job experience. There is also another method for educating HVAC contractors ...

When my air conditioner stopped cooling properly in the middle of July, I didn't expect the culprit to be the compressor. I thought maybe it needed cleaning, or the thermostat was acting up. But once ...

Last month we discussed air-conditioning troubleshooting and how you can diagnose many of these problems yourself, including: • The need to have the old refrigerant reclaimed and the new refrigerant ...