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

    Dec 8, 2011, 09:55 AM
    Troubleshooting Coleman Evcon Furnace?
    I have a coleman evcon direct vent forced air furnace (gas with electric ignition). The motor runs, but it does not ignite. The blowers work fine on fan mode but will not ignite or blow on auto. Any suggestions?
    mygirlsdad77's Avatar
    mygirlsdad77 Posts: 5,713, Reputation: 339
    Plumbing Expert
    		  
    #2

    Dec 8, 2011, 04:47 PM
    Are you getting any blinking code on the control board? It may be a bad draft inducer, a bad pressure switch, or a bad igniter, or many other things, but lets take this one step at a time. Let me know exactly what happens when there is a call for heat. The more details you can give, the better I can help.

    When you turn the thermostat up to make a call for heat, the draft inducer should start running, then after awhile, the glow plug should glow, then the flame should start shortly after that. Do you hear the gas valve click and flow gas, but the igniter never glows? If so, you have a bad igniter.
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