Question about Heating & Cooling
You may also have a bad logic board that controls the blower motor (ramping up/down speed) or a hole in the duct work that is blowing the cold air elsewhere.
At the attic unit, see if you can tell if the blower sounds like it is pushing a lot of air If not, only a professional can check motor and logic control function.
Also check at your supply registers for an appropriate drop in temperature from your erturn registers (20 degree drop or so). If one supply is not getting that drop, then you may have a detached duct or hole.
Posted on May 21, 2009
Could possibly have a bad blower motor or on the brinks of one. check the run amps of the motor make sure its doing what it should. if not may need new bloer motor
Posted on Apr 22, 2009
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Posted on Jan 02, 2017
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