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Goodman GMP075 Problem

I have a GMP075-3 that was installed in approximatly 1993. I recently bought the house with that unit.
My problem is that when using the A/C, the blower will not start periodically. It will work fine for a majority of the day but at times the inside unit will make a humming noise for approximately 20 seconds and the blower will fail to turn on. The humming noise will then stop.

A simple but not permanent solution that I found is to spin the blower turbine with my hand. Then when I turn the unit back on it will fire up fine, however it will eventually stop working again.
Any help? Possibly a Capacitor problem? If so what side capacitor does my unit use?

Thanks

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Check the mfds of the capacitor.if its ok you need a blower motor.

Posted on Aug 09, 2008

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