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

    Dec 28, 2009, 06:29 PM
    Blower on furnace stays on. Ignitor does not come on. No heat. What could be wrong?
    I have a 13 yr old Trane furnace. I have just replaced the thermal switch and flame sensor. The ignitor and flames no longer come on. The fan runs constantly with no heat. What could the problem be?
    onie's Avatar
    onie Posts: 2, Reputation: 1
    New Member
    		  
    #2

    Dec 28, 2009, 06:33 PM

    Can anybody help
    mygirlsdad77's Avatar
    mygirlsdad77 Posts: 5,713, Reputation: 339
    Plumbing Expert
    		  
    #3

    Dec 28, 2009, 07:32 PM

    Check to make sure exhaust and intake vents are not frozen shut outside.
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