Question about Heating & Cooling
The easiest way to tell is to ohm it out with a ohmmeter. By disconnecting all power to the unit and motor and letting it set for about an hour or so to make sure the motor is cool, disconnect the motor wires and touch the meter leads to each wire, if you don't get any reading, the motor windings are open and the motor needs to be replaced.
Another way is to check the voltage to the motor, at the motor terminals. If you have the rated voltage for the motor and the motor doesn't do anything and the motor is not hot, then the windings are open and needs replaced, or if you smell the motor getting hot, smoking or tripping breaker or blowing the fuse then the motor is shorted and needs replaced.
Posted on Jun 07, 2010
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Posted on Jan 02, 2017
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