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-   -   Colman gas furnace model dgaa077bdta (https://www.askmehelpdesk.com/showthread.php?t=783718)

  • Feb 7, 2014, 01:31 AM
    tigerkennah
    Colman gas furnace model dgaa077bdta
    Furnace just quit, light say combustion air switch stuck closed, can't get it to turn back on -35 outside at 1:30 am please someone give me idea how to fix it
  • Feb 8, 2014, 07:08 AM
    drtom4444
    You have to use a meter to check out anything on this furnace, but if the switch is bad then replace it. Check your relays and safeties with a meter. It really pays to learn to use a meter instead of relying on changing parts, and it's easier and cheaper, too. Here are some manuals: https://dl.dropboxusercontent.com/u/...e%20Manual.pdf
    https://dl.dropboxusercontent.com/u/...Electronic.pdf
    https://dl.dropboxusercontent.com/u/...20Diagrams.zip

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