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    kb2's Avatar
    kb2 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jun 19, 2012, 01:02 PM
    White rodgers 50A50-230 Fan would not turn off
    Hi,
    I am new to this forum. I have an White Rodgers 50A50-230 control board. The issue I have is that the fan is not turning off even if the thermostat is set to off. Is there anything I could try or is changing the control board the only option?

    Thanks,
    KB
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Jun 19, 2012, 02:25 PM
    Quote Originally Posted by kb2 View Post
    Hi,
    I am new to this forum. I have an White Rodgers 50A50-230 control board. The issue I have is that the fan is not turning off even if the thermostat is set to off. Is there anything I could try or is changing the control board the only option?

    Thanks,
    KB
    Just for the heck of it you might try a tap with the insulated end of a screw driver on the relays on the W/R control board and see if it knocks a stuck relay loose. If it does then you know it is a bad relay on the circuit board.
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