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  • Nov 5, 2006, 07:18 AM
    DavidR2002
    Goodman Furnace
    What does A three blink code on a Goodman 80 plus gas furnace mean
  • Nov 5, 2006, 07:41 AM
    NorthernHeat
    They are not all the same board with the same code. Is there a sticker on the blower door that tells you? If I guessed, I would say the pressure switch failed to close.
  • Oct 2, 2007, 12:11 PM
    jorjee
    Quote:
    Originally Posted by DavidR2002
    What does A three blink code on a Goodman 80 plus gas furnace mean
    The installer man just told me it means change the filter.

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