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Electrical Troubleshooting Quiz — August 21, 2018

Diagnosing motor failure rates

A maintenance supervisor acted on a hunch and ran a custom report from the computerized maintenance management system (CMMS). From this, he could see that on the east side of the plant, motor failure rates were eight times higher than on the west side. They have roughly the same number of motors and are supplied from the same service. The crews performing the motor replacements were not side-specific, so problems with installation, alignment, and connection were not side-specific.

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