Hydroflame FA 7615 circuit board and ignitor
My furnace sometimes will not ignite and thus blows cold air until I shut it off. Not often, but often enough that I usually wake up in the morning with it running and blowing cold air. I ord...
Forum Discussion
drsteve wrote:
If the furnace doesn't light, the blower fan should not continue to run.
It did with my 8531-II. Only way to fix that was to turn off the furnace at the thermostat and restart.
I replaced the board with one from an 8531-III, That board is smaller and has no plastic cover, but the connections fit ok. So the II now works right and the board has no cover like before. It is covered by the door's "inner door" though.
IMO just add on some more wire of the right gauge, but one of the real furnace techs on here might have other thoughts.
EDIT- here is something on the 7600--(also 7200 and 7700) scroll down to page 10 of 21 for other steps besides changing boards.
http://bryantrv.com/docs2/docs/FA7200.pdf
