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    nick52's Avatar
    nick52 Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Nov 3, 2009, 12:20 PM
    AC Fan Stays On
    I shut off my ac unit a mouth ago. Got up Sunday morning and the fan on the out side unit was running and will not shut off . Every thing is off heat and air. I shut off out side power to unit to get it to shut off. It is a Trane EX1000 Heat Pump. There is a red LED light blinking on the circuit board.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Nov 3, 2009, 03:09 PM
    Check to see if the contactor is stuck closed in the outside unit.
    nick52's Avatar
    nick52 Posts: 2, Reputation: 1
    New Member
    		  
    #3

    Nov 3, 2009, 04:39 PM
    Every thing is ran through a printed circuit board. Have one coming tomorrow . Hope that works Thanks
    KC13's Avatar
    KC13 Posts: 2,556, Reputation: 99
    Ultra Member
    		  
    #4

    Nov 3, 2009, 10:36 PM
    Was the fan running at full speed? Strange that it just started up of it's own will... power wiring on Trane units is a little different than most. I have seen more than a few cases of a shunted compressor causing the fan to run slowly during off-cycles. Once you unpack and install that board, you've bought it for good.
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