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-   -   4 Flashes --Open temperature limit crane XL90 (https://www.askmehelpdesk.com/showthread.php?t=458404)

  • Mar 17, 2010, 11:47 AM
    BurrowsML
    4 Flashes --Open temperature limit crane XL90
    One yr ago, I replaced the flame sensor;
    Now, after 12 mo. I get: 4 Flashes --Open temperature limit
    On my Crane XL90 furnace; what's my best action plan now?
  • Mar 17, 2010, 03:38 PM
    Joshdta

    Take out the limit switch, tap it and blow of the dust and put it back in. If this does not work get e new one
  • Mar 17, 2010, 03:42 PM
    mygirlsdad77

    Make sure furnace filter is clean. Restricted air flow will cause furnace to overheat.

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