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BillyHvac, Journeyman HVAC Tech
Category: HVAC
Satisfied Customers: 22678
Experience:  Endorsed for unlimited heating, cooling, oil burners, boilers, refrigeration, hydronics
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My heater will not try to run, I get 3 flashes on the led,

Customer Question

my coleman heater will not try to run, I get 3 flashes on the led , and a red flashing light that tells me there is a problem with the attic fan I am confused ***** *****
JA: Thanks. Can you give me any more details about your issue?
Customer: 3 flashes accordingly means problem with centrifugel switch stuck open, the furnace will not try to run at all I am getting power to the board but the draft motor is not getting power I wonder if it is the control board?
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Submitted: 1 year ago.
Category: HVAC
Expert:  BillyHvac replied 1 year ago.


If you have a 3 blink error and no 120v to inducer/draft motor, you have a bad circuit board.