What's Going On
Compressor cutaway of a semi-hermetic compressor. Cutaways provide an excellent look at the inside workings of the compressor.
Discarded Compressors Often Good
A compressor graveyard. Many compressors are condemned when there is no failure present after they are returned and tested.
Ohming leg to leg: a perfectly good compressor will often read low resistances from one terminal to the other. Ohm’s law cannot be applied using these numbers on a ‘inductive load’ such as a compressor.
Compressor terminals connect through the compressor start-and-run windings.
When a breaker trips, don’t just reset it until you have done some preliminary inspections and tests.