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BillyHvac
BillyHvac, Journeyman HVAC Tech
Category: HVAC
Satisfied Customers: 22388
Experience:  Endorsed for unlimited heating, cooling, oil burners, boilers, refrigeration, hydronics
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Model gdm 90905dxa, blower not runnig, how to determine whether

Customer Question

Model gdm 90905dxa, blower not runnig, how to determine whether board or blower is bad. No codes
Submitted: 1 year ago.
Category: HVAC
Expert:  BillyHvac replied 1 year ago.
hello,
there are 2 ways.
1 - use a meter at motor wires when it should be running...
120v present at motor but motor not running = bad motor
120v NOT present = bad circuit board.
The other is to wire motor black wire direct to 120v and see if it runs.
Billy