Troubleshooting Motor Control Circuits — Part 1

Troubleshooting Motor Control Circuits — Part 1

Isolating problems in the main power circuit

When you get the call, “The motor won’t start,” you’d best have a logical and systematic plan in place to approach the problem. “Easter egging” just doesn’t work unless you happen to be very lucky!

“Maybe it’s the limit switch again” or “Probably another ground fault on the motor” is not the way to minimize troubleshooting time and increase uptime on equipment. The key to developing a logical and systematic approach to troubleshooting motors and controls is to first understand

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