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Old 12-08-2011, 09:57 PM   #1
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Trane xe 90 furnace blower running constantly.


I have not ran my furnace for a couple years now and attempted to fire with no luck. The main blower motor runs constantly no matter if it is calling heat or ac. I set the thermostat to heat and set it a couple degree higher than room temp. The combustion blower never comes on, the main blower runs constantly and the control board led is off. I have check the power at the fuse and I do have the 24 vac. Does anyone have any suggestions as what could cause this situation?

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Old 12-08-2011, 10:04 PM   #2
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Trane xe 90 furnace blower running constantly.


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Originally Posted by sshaneparsons View Post
I have not ran my furnace for a couple years now and attempted to fire with no luck. The main blower motor runs constantly no matter if it is calling heat or ac. I set the thermostat to heat and set it a couple degree higher than room temp. The combustion blower never comes on, the main blower runs constantly and the control board led is off. I have check the power at the fuse and I do have the 24 vac. Does anyone have any suggestions as what could cause this situation?
are you getting any fault codes ? sounds like a stuck fan relay

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Old 12-08-2011, 10:07 PM   #3
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Trane xe 90 furnace blower running constantly.


No lights on the control card.
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Old 12-08-2011, 10:08 PM   #4
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Trane xe 90 furnace blower running constantly.


no i do not have any light code showing.
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Old 12-08-2011, 10:50 PM   #5
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Trane xe 90 furnace blower running constantly.


going to need a model number and a picture of the furnace with the doors off would be great
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