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  1. #1
    Join Date
    Nov 2012
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    Trane XE 1000 High Efficiency AC Unit Married to a Trane XL90 Gas Furnace

    I am curious why the fan on the AC unit continues at a slow rpm when the furnace and AC system are not in operation?

  2. #2
    Join Date
    Oct 2010
    Location
    Anderson, South Carolina, United States
    Posts
    8,833
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    back feeding voltage through the windings in the fan motor. Have a tech come take a look and solve the problem.

  3. #3
    Join Date
    Nov 2012
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    2
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    Quote Originally Posted by jtrammel View Post
    back feeding voltage through the windings in the fan motor. Have a tech come take a look and solve the problem.
    Thanks so much for your input. Mr Trammel.

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