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    JIrvine_30's Avatar
    JIrvine_30 Posts: 1, Reputation: 1
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    #1

    Jul 13, 2012, 12:59 PM
    I replaced transformer and now ac turns on but my furnace fan want cut on
    I had a thermostat wire short out and blow my transformer in my furnace. My ac or my furnace would not cut on. I changed transformer, and my ac cuts on but my furnace fan will not cut on now. I hear water running threw coils I guess in my furnace area and coils are hot/cold. But my furnace fan will not cut on.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Jul 13, 2012, 01:20 PM
    Quote Originally Posted by JIrvine_30 View Post
    I had a thermostat wire short out and blow my transformer in my furnace. my ac or my furnace would not cut on. I changed transformer, and my ac cuts on but my furnace fan will not cut on now. I hear water running threw coils i guess in my furnace area and coils are hot/cold. but my furnace fan will not cut on.
    There are many possibility's but if you have a circuit board in your unit the transformer shorting out might have damaged it or the indoor blower relay that is attached to the board. You really need to trouble shoot it with a meter since guessing can get expensive for the parts.
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