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Bakkrkr 09-04-2010 05:05 PM

Heil N9MP1 not working
My ac unit isn't blowing. The outside unit is working but not the inside. I've tried bypassing the thermostat, hooked the black fan wire up to run constant, and cut the control valve off for five mins with no luck. The blower wheel is dirty, I know I should change the filter more then I do. Is there any thing else I can try to make sure it's the blower motor before I attempt to replace it. Also, there's a little box on the right side that the motor that hums alittle. I felt it so I know it's coming from it.

hvaclover 09-04-2010 05:14 PM

If there is 120 volts off the furnace board then the motor cap or motor are bad.

Bakkrkr 09-04-2010 05:29 PM

Don't have one put I might be able to borrow one. Measure the voltage where the motor plugs to the board?

hvaclover 09-04-2010 05:31 PM


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