We have a Comfort Maker Model # GUG094A0161N (serial # r903300065). Manufactured/made in 08/1990 and the trouble is the electronic ignitor is not lighting the gas. There is a flashing red LED on the ignitor controller and instructions on unit say: "look at manual when this occurs". We purchased this house from someone and was never given manual for this unit.
Please help with tips on how to fix or where to locate manual. Thanks!
I do not know much about warm air furnaces except what I see posted here but the 1st thing to do is -- On the door of your furnace there will be a list of what the error code is. I think you need to open up and look at the back of door for the codes or they are maybe near your circuit board in the furnace.
That will give you a start and then post your finding here and someone with HVAC experience is apt to jump in and answer or ask you more question.