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

    Jan 3, 2007, 09:31 AM
    Coleman Furnace
    Our furnace is kicking on and off. Then it'll kick, but not go further to turn on the blower and heat? Do you think control issue or booster assembly>
    labman's Avatar
    labman Posts: 10,580, Reputation: 551
    Uber Member
    		  
    #2

    Jan 4, 2007, 04:53 PM
    Booster assembly? If it only comes a few seconds, likely it is the flame detector, a ceramic doodad with 2 wires and contacted at the burner. Clean it with sandpaper. If it comes on a minute or 2 but not the blower, it is in the blower or its controls. If a tap on the circuit board turns on the blower, likely the relay is bad and you will have to replace the board.
    NorthernHeat's Avatar
    NorthernHeat Posts: 1,455, Reputation: 132
    Ultra Member
    		  
    #3

    Jan 5, 2007, 02:00 PM
    How old? Pressure switch issue? Is it flashing a diagnostic code on the circuit board? If it has one?
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