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-   -   Trane XB90 Gas Furnace -Red Flashing Light (https://www.askmehelpdesk.com/showthread.php?t=406356)

  • Oct 15, 2009, 02:14 PM
    compkits
    Trane XB90 Gas Furnace -Red Flashing Light
    My Trane XB90 Gas furnace has a red flashing led light. Is this a problem? What does it mean?
    Thanks in advance...
  • Oct 15, 2009, 02:28 PM
    hvac1000
    Is your unit working OK
  • Oct 15, 2009, 03:06 PM
    compkits
    Quote:

    Originally Posted by hvac1000 View Post
    Is your unit working OK

    Yes, it appears to be. I took off the cover and it appears to be quite clean. Of course, the electronic air cleaner was quite dirty, so I replaced the filter media.

    The red blinking light just flashes constant, with no discernable pattern or 'number of flashes'. Is this normal?
  • Oct 15, 2009, 03:53 PM
    hvac1000
    Sounds normal to me on that unit. That is why I asked if it was working.
  • Oct 15, 2009, 04:12 PM
    compkits
    Quote:

    Originally Posted by hvac1000 View Post
    Sounds normal to me on that unit. That is why I asked if it was working.

    Your right! I was able to get the second panel off and there was a chart on the back.
    Slow blinking - Normal, no call for heat.
    Fast blinking - Normal, call for heat.
    etc...
    etc..

    I feel a bit dumb at the moment, but I'm glad there is no issue.
    Thx again...
    Mike
  • Oct 15, 2009, 05:58 PM
    hvac1000
    No problem
  • Jan 6, 2013, 05:29 PM
    gkittrell
    Light blinks 3 times do I need to put I na service call

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