Furnace control board replacment
As some of you might recall while I was on vacation about 6 weeks ago, my furnace quit. After having posted the problem the number one reason was most likely the control board. Since we had an electri...
Forum Discussion
One of the first things I try when the board is suspect is to pull off the wiring edge connector and clean the contacts on the board with a pencil eraser. It only takes a small amount of corrosion to cause the furnace to malfunction. The "quick fix" is to just slide the connector on and off a few times to let it self clean, but the longer term fix is to properly clean the contacts. I also keep a spare universal board from Dinosaur on hand that will work with either our furnaces or water heater.
