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My attic fan failed to work. I replaced the motor and it ran great... for about a day. This is a problem I've had 3 times already and each time I replaced the motor, it blew out again before the season ended. What could the problem be?

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Your problem could be related to the supply voltage to the motor. Have it checked or check it yourself with a volt meter. Voltage with the motor operating should be with-in 10% of the nameplate of the motor.

Posted on Jun 27, 2008

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