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    johnandcristina's Avatar
    johnandcristina Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Oct 25, 2008, 09:00 AM
    My Goodman heater will not light
    I have a Goodman GMP100-4 Heater. It was working fine and now it will not ignite. When I move the thermostat to a higher temperature I can hear the exhaust come on but that is it. I was told that possibly the ignitor went out.

    Can anyone help?

    Thanks
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Oct 25, 2008, 09:02 AM
    Could be the ignitor
    Could be the flame sensor if so equipped
    Could be the vac/pressure switch
    Could be the vent motor end switch if so equipped.
    There are other possibilitys
    dale3's Avatar
    dale3 Posts: 12, Reputation: 1
    New Member
    		  
    #3

    Oct 25, 2008, 09:07 AM

    Check and see if it has any codes from the LED Lights located on the circuit board. Their should be a code list showing the meaning of the blinking lights. Let us know what it says and maybe we can help you or tell you you if you need an expert
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