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-   -   Carrier furnace fault 12 (https://www.askmehelpdesk.com/showthread.php?t=421081)

  • Dec 1, 2009, 12:45 PM
    barjoe
    Carrier furnace fault 12
    What does R-W closed mean(under fault 12)
  • Dec 1, 2009, 01:06 PM
    hvac1000
    R and W are the wires that cause a call for heat.
  • Nov 2, 2010, 02:15 PM
    StructureDesign
    I have this problem going on right now with my furnace. So what does this mean and how does it get fixed?

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