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-   -   Blower on furnace stays on. Ignitor does not come on. No heat. What could be wrong? (https://www.askmehelpdesk.com/showthread.php?t=429060)

  • Dec 28, 2009, 06:29 PM
    onie
    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?
  • Dec 28, 2009, 06:33 PM
    onie

    Can anybody help
  • Dec 28, 2009, 07:32 PM
    mygirlsdad77

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

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