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Electric Motor Troubleshooting

Motor Fails to Start

Electric Motor Troubleshooting Guide:

The electric motor troubleshooting problems and solution diamonds below for Motor Fails to Start, from left to right, in order by most common to less common. Tap the first diamond for extra electric motor troubleshooting steps and tips. If the motor problem is not found, click on the next diamond to the right of the last symptom until you find the motor fault.

No voltage supply
Single phasing at the starter
Low voltage supply
Wrong control connections
Loose connection
Bad capacitor (single phase motor)

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