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Furnace shutdown
davidalexander34
Member Posts: 1
Comments
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Is there a model number for this Utica furnace?
In order to continue, do you have an electric meter? A manometer?
I take it you don't have a service agreement with a heating company.0 -
My Trane high efficiency furnace goes through the start up process flawlessly until the blower motor kick-on step in which the furnace shuts off while the blower continue running cold air. I replaced the pressure switch as the tech recommended but it does not help. Thoughts?0
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The burners fire, then a maybe a 30 second time delay before the blower motor comes on. And when the blower motor comes on, the burners immediately shut off?
Or, the burners fire, then a few minutes pass by, the burners shut off, and the blower motor turns on and continues to run?
If door number 2 is correct, then it seems like a temperature limit is opening. Have the tech tell you to check for 120 volts at the heat speed terminal on the board.0 -
BWT #1 is an immediate safety hazard because it probably means you have a compromised heat exchanger and the pressure from the blower is blowing out the burner.0
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