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-   -   TRane xr80 issues (https://www.askmehelpdesk.com/showthread.php?t=460622)

  • Mar 26, 2010, 07:49 PM
    PLB9
    TRane xr80 issues
    My Trane XR80 furnace is only blowing cold air. The diagnostic light is bllinking 4 times.
    I checked diagnostic codes and this one means (open limit device). Please clarify which part(device) needs to be replaced?
  • Mar 26, 2010, 11:38 PM
    wmproop
    Most limit devices can be reset,, little button in the center between where the wires connect,, if it opens again,, need to figure out the cause,, maybe overheating for some reason,, they don`t go bad very often
  • Mar 27, 2010, 08:48 AM
    PLB9
    Thanks for the quick respond. I can't find "the little button" to reset the device.
    Please send me a picture or web site where to check how this looks like. Thank you.
  • Mar 27, 2010, 12:07 PM
    Joshdta

    High limit switch

    http://store.hamiltonhomeproducts.co...-29041-005.jpg
  • Mar 27, 2010, 12:08 PM
    Joshdta

    Role out switch

    http://ww2.justanswer.com/uploads/Ma...ut_typical.jpg


    Check gas pressure and change filter if dirty.

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