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    jstrong9's Avatar
    jstrong9 Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Apr 25, 2011, 08:42 AM
    Furnace won't start
    Hello, I have a Goodman furnace GMPO75-3, and a few days ago it just blew cold air and the red light blinked 4 times. This told me that the open limit switch might have a problem. So I turned off the power and removed the switch from the wall, after unplugging it and inspecting it a little, I reattached it and turned the power back on. It kicked right up and a started to blow hot air. So I turned it off and put it back together and now I'm not getting any power what so ever. The breaker isn't tripped, I have been told that it might be somewhere in the board, but that doesn't really help.

    Please Help
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #2

    Apr 25, 2011, 01:43 PM

    Inside the panel you took off to get at the interior of the furnace is a chart that tells you what 4 blinking lights means. Its all codes and each color light and # of blinks has a different meaning. Can you find this chart on the panel?
    jstrong9's Avatar
    jstrong9 Posts: 2, Reputation: 1
    New Member
    		  
    #3

    Apr 25, 2011, 02:09 PM
    I have, 4 blinking lights means open limit switch. But now after I got it to work all of a sudden it just stopped and now there is no power and no light.
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