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    marrosix's Avatar
    marrosix Posts: 7, Reputation: 1
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    #1

    Dec 19, 2012, 07:45 PM
    Carrier furnace will not ignite
    Carrier furnace, won't ignite. It goes through the 3 attempts.. nothing. I'm not seeing a spark, it doesn't have a pilot..
    Grady White's Avatar
    Grady White Posts: 1,417, Reputation: 59
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    #2

    Dec 19, 2012, 08:18 PM
    Are you sure it is spark igniion? Some furnaces use a hot surface ignitor which glows to light the burners. A model number might help.
    marrosix's Avatar
    marrosix Posts: 7, Reputation: 1
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    #3

    Dec 19, 2012, 08:35 PM
    Looks like it's a 58ST-2SI. I'm looking at the Carrier booklet. The furnace has an igniter similar to a gas grille..
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    marrosix Posts: 7, Reputation: 1
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    #4

    Dec 19, 2012, 09:28 PM
    I just noticed that the red light blinks 4 times slowly, then 3 times rapidly.. then starts over the cycle again, blinks 4 slow, 3 fast... don't know if this means anything..
    Grady White's Avatar
    Grady White Posts: 1,417, Reputation: 59
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    #5

    Dec 20, 2012, 03:20 PM
    Quote Originally Posted by marrosix View Post
    i just noticed that the red light blinks 4 times slowly, then 3 times rapidly..then starts over the cycle again, blinks 4 slow, 3 fast... don't know if this means anything..
    There should be a key to the blink code somewhere. It is usually on the inside of one of the doors or on the ignition control itself.
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    marrosix Posts: 7, Reputation: 1
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    #6

    Dec 20, 2012, 03:51 PM
    OK, I will check.
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    marrosix Posts: 7, Reputation: 1
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    #7

    Dec 21, 2012, 09:50 AM
    First issue under code 34 is to clean flame sensor. Not sure where that is..
    marrosix's Avatar
    marrosix Posts: 7, Reputation: 1
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    #8

    Dec 21, 2012, 02:43 PM
    Repair man replace the flame sensor.. $130 for the service. This was something I could have done if I had known where this part was.. very obvious once your know.. and easy to replace. I'll know next time.

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