Red Light on Circuit Board
OK, I am having gas furnace troubles (naturally, it's the coldest day of the year here AND it's a Sunday! Do furnaces ever go out during the week?)
The heater begins its cycle. The gas jets turn on but only for about 30 seconds when they shut off. Then the blower blows cold air because the gas jets are now off. Then the whole things shuts off after blowing cold air for a few minutes. Minutes later it starts it all over again.
A red light on the circuit board is on solid. No blinking.
Who can help?