Did a pre-season test Friday 10/18/13 and Coleman DGAH077BBSB / LP furnace failed to come on. Viewed 3 green flashes on control panel diagnostic codes. Searching around THIS WEBSITE, found quick tip about the booster motor, aka induced draft motor (IDM) not working do to possible corrosion. SO, I re...

I have a similar unit DGAH077BBSB installed in 2007. Get a "User's Information, maintenance and Service Manual" may be able to get one from Distributor: Stylecrest / 801 W.37th St. Bldg. #7 Wichita KS 67219; or from the manufacturer: York International - Consumer Relations 5005 York Dr. No...