How do you fix a single phase motor?

To troubleshoot a split-phase motor, apply the following procedure:

  1. Turn power to motor OFF. …
  2. Check to determine if the motor is controlled by a thermal switch. …
  3. If the motor does not start, use a voltmeter, such as a Fluke 87V Industrial Multimeter, to check for voltage at the motor terminals.

How do you diagnose a bad electric motor?

To test your motor for short to ground, you’ll need to set the multimeter to ohms and disconnect the motor from its power source. Then inspect each wire and look for infinite readings. Alternatively, if you get a reading of 0, you might have a cable issue.

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