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Taming those misbehaving motors: Troubleshooting tips for some of the most common problems

Publication date: 
December 2009
Tom Bishop, P.E., EASA Senior Technical Support Specialist
Type of media: 

Three of the most common motor problem calls received from members by EASA's Technical Support Department are:

  • "The motor is drawing high no-load current."
  • "The current of the three line leads is not balanced."
  • "The motor is running hot." If you have ever faced one or more of these issues, and it's almost certain you have, read on.
Troubleshooting & failure analysis