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    Kim23's Avatar
    Kim23 Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Jan 19, 2012, 04:32 AM
    3 year old goodman cycles on the off every 5 seconds
    Recently noticed our furnace will kick on, fan or blower (1) is heard, a clicking sound which starts the furnace fan or blower (2) then the another click and the burners kick on. After a few seconds, another click and the burners will shut off but both fans are on. Then a click and fan/blower (2) shut off. After a few more seconds a few clucks, fan/blower (2) will start up again followed by burner... few seconds later it shuts off and it starts over. The only way to get this to stop s to allow everything to shut off including fan/blower (2) and when all is silent, things will be fine until an hour or so. Then the series of clicking on and off will happen.
    parttime's Avatar
    parttime Posts: 1,440, Reputation: 113
    Ultra Member
    		  
    #2

    Jan 19, 2012, 05:01 AM
    Hi Kim and welcome, I would try cleaning the flame sensor with steel wool. Let me know how that goes. Good luck
    mygirlsdad77's Avatar
    mygirlsdad77 Posts: 5,713, Reputation: 339
    Plumbing Expert
    		  
    #3

    Jan 19, 2012, 05:35 PM
    parttime nailed it. You need to clean the flame sensor. If that fails to cure the problem, let us know.
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