Furnace Blower Does Not Come On. - HVAC - DIY Chatroom Home Improvement Forum

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Old 10-17-2012, 02:51 PM   #1
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Furnace blower does not come on.

I have a 1988 Trane furnace that has worked fine over the last 3 years. The A/C works fine and the blower works when the thermostat is switched to auto. When I switch the thermostat to heat the gas comes on and the flame ignites but the blower never comes on. I am assuming this is an issue in the furnace. Any thoughts on what might me causing this?


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Old 10-17-2012, 04:29 PM   #2
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**Always kill the power ** Hot air rises, but heat will always move from higher to lower temperatures. ** Real man shoot in manual. ** If it ain't grounded, it ain't dead.
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Old 10-17-2012, 07:36 PM   #3
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Bad winding in the blower motor for the heating speed. Could be a bad relay on the furnace control board.
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