Nothing Is Coming On! How To Test Your Transformer.
12:14
YouTubeOPEN TO PUBLIC HVAC SCHOOL
Nothing Is Coming On! How To Test Your Transformer.
Furnace or air handler completely dead? No lights, no fan, nothing? The transformer might be the problem. In this video we show you how to locate and test your HVAC transformer with a multimeter — checking both the primary (line voltage) and secondary (24V) sides. The transformer steps down 120V or 240V to the 24V that powers your thermostat ...
6.7K viewsDec 8, 2022
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