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    1546734 Posts: 3, Reputation: 1
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    #1

    Dec 19, 2013, 09:27 AM
    York has flash code of 7 on control board will not light
    Hi my york Fg8d10020mu11a will not light. Replaced flame sensor still no gas. Ignitor glows bright 3 time, no gas and no fire flash code of 7 to many retries.

    Before this, I was able to cycle power and the system ignited and ran for 4 min and stopped. Did this a couple of times then it worked for half a day and not it will not light at all.

    Any Ideas?
    1546734's Avatar
    1546734 Posts: 3, Reputation: 1
    New Member
    		  
    #2

    Dec 19, 2013, 02:12 PM
    Update. Re-seated the big square connector and all is well. So first turn off power and reseat big square connector on control board.
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