As we mentioned at the end of last month's motor quiz, we are focusing on HVACR motor troubleshooting specifics. This month we will discuss troubleshooting if the motor isn't rotating; next month we ...

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!

Single-phase motors are common in many industries and can be found in blowers, pumps, fans, lathes, and numerous other types of equipment. Single-phase motor failures or malfunctions can often be ...

A good digital multimeter (DMM) is key to diagnosing compressor problems in general. For instance, in a previous article (May 15 issue of The NEWS) we discussed using the DMM to read suction and ...

AI-driven diagnostics, workflow automation, and standardized repair procedures are converging to improve motor repair accuracy, reduce downtime, and cut operational costs. New tools range from ...

The 1587 insulation multimeter combines a true-RMS digital multimeter and an insulation tester with a resistance range up to 2 G with five output voltages from 50 to 1,000 V. The i400 lets the 1587 ...

Walk into almost any commercial or industrial site, and you'll find electric motors quietly doing the heavy lifting. They drive pumps, compressors, ve ...