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    srkkjk's Avatar
    srkkjk Posts: 1, Reputation: 1
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    #1

    Jan 25, 2010, 07:35 AM
    Goodman heater model GMT090-3B problem ignator staying on not droping out after burne
    Goodman heater model GMT090-3B problem ignator staying on not droping out after burner comes on. Have changed board ,checked polarity cleaned flame sensor. Any suggestions.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Jan 25, 2010, 07:40 AM
    The igniter is controlled by the circuit board and the flame sensor sends a signal to the board after the flame is established so the igniter should be off after the furnace is running.

    The only thing I could see it being is a bad board but that would be strange to have two boards doing the same thing especially if the one you purchased was a known new one. I am sure you checked all the wiring also since you seem to know how to change the board. Good luck.
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