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-   -   How can I test my furnace fan timer control board? (https://www.askmehelpdesk.com/showthread.php?t=544582)

  • Jan 16, 2011, 09:24 AM
    rdrakester59
    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?
  • Jan 16, 2011, 07:37 PM
    T-Top
    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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