I had the same problem with this furnace last year at this time. Replaced the board and everything was fine. The led flashes 2 times.
thanks in advance
are you a home owner or a tech, there are many other causes of a 2 code, yes could be the board, but i doubt it, if your a tech I assume you have checked all the other items 1st, let us know what you have checked.
tech. incoming gas pressure is at 5" w.c. 24 vac at the controller. literature for the furnace or the board does not give any indication what input would cause this failure. the board will give you a fault code for all other safeties. the ignitor would energize however no voltage to the gas valve [intermitten].
bypassed the t/s and the problem would still persist.
thanks in advance
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