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    rdrakester59's Avatar
    rdrakester59 Posts: 1, Reputation: 1
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    #1

    Jan 16, 2011, 09:24 AM
    How can I test my furnace fan timer control board?
    My Tempstar SP80 furnace blower will not come on. The fan timer control board clicks then makes a faint almost whistle noise but the blower never comes on. The blower motor checks okay. How can I test the fan timer control board to see if that is it?
    T-Top's Avatar
    T-Top Posts: 1,871, Reputation: 100
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    #2

    Jan 16, 2011, 07:37 PM
    You can jumper from R to G on the control board if no blower you can remove the blower wires from the control board and add power. If it works you have a bad blower control.
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