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    50nn7's Avatar
    50nn7 Posts: 2, Reputation: 1
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    #1

    Dec 19, 2009, 10:17 PM
    Carrier furnace does not ignite but fan works
    My carrier funace will not turn on. The fan works when you put "fan on" butnormally it doesn't. The igniter does not seen to get hot or anything. We have an automatic ignitinion system and when we push some plastic thing with five wires on it and six holes under but olny five have metal holes into the auto igniter, it sometimes turns on the igniter and you see a flame but the big burners don't turn on and the igniter goes off. This is a carrier, model 58gs125-jb, series 160 and it was installed in 91. I hope this is enough info. Please answer asap due to the low temps and our furnace not working. Thanks
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Dec 19, 2009, 10:57 PM
    Does your furnace have a 3 wire pilot?
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    50nn7's Avatar
    50nn7 Posts: 2, Reputation: 1
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    #3

    Dec 20, 2009, 09:54 AM

    It does
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #4

    Dec 20, 2009, 10:26 AM
    Unless you have the proper tools to test the 3 wire pilot I would just replace it making sure it is wired correctly. The factory pilot has a keyed connector to prevent imroper wiring. Easy does it where the aluminum tube connects. A littlr WD-40 on the threads helps for it to unscrew out of the pilot assembly.

    Just an example. Search for the best price.

    Carrier Bryant LH680005 3 Wire Pilot - eBay (item 180447221224 end time Jan-18-10 10:04:57 PST)
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