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-   -   Furnace fan won't turn on (https://www.askmehelpdesk.com/showthread.php?t=381126)

  • Jul 29, 2009, 08:02 AM
    leeannmerrill
    Furnace fan won't turn on
    I have a Rheem Criterion II furnace and a Honeywell thermostat has an "on" switch for the fan. The company that services my furnace said if I turned tha switch to on and a separate "system" switch to off, the fan would turn on. It doesn't. Is my furnace able to turn on just the fan? If so, how do I do it?
  • Jul 29, 2009, 09:57 AM
    letmetellu

    Do you have an Air Conditioning system connected to your heating system?
  • Jul 29, 2009, 02:29 PM
    siberianair

    They told you correctly.. might not be wired correctly or you might have a problem with control board or relay.

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