Search found 6 matches
- Thu Oct 14, 2010 2:31 pm
- Forum: Coleman Service & Repair
- Topic: Coleman DGAH077BBSB blows cold air
- Replies: 11
- Views: 9090
Re: Coleman DGAH077BBSB blows cold air
Will do. Thanks for the help.
- Thu Oct 14, 2010 11:03 am
- Forum: Coleman Service & Repair
- Topic: Coleman DGAH077BBSB blows cold air
- Replies: 11
- Views: 9090
Re: Coleman DGAH077BBSB blows cold air
Update: I had to leave town for a few days on business and didn't get the chance to repair the ductwork until today. I did not have any sheet metal, so I used some stiff corrugated cardboard (which is much thicker than the duct sheet metal actually). First I filled in the areas around the duct with ...
- Tue Oct 05, 2010 5:52 pm
- Forum: Coleman Service & Repair
- Topic: Coleman DGAH077BBSB blows cold air
- Replies: 11
- Views: 9090
Re: Coleman DGAH077BBSB blows cold air
Thank you so much for the replies and help, most appreciated! I disassembled and inspected the burner tube/orifice and the entire unit was very clean, but I blew it out with compressed air to be sure. I also inspected the gas valve orifice and found no debris/blockage. Upon reassembly I do find the ...
- Mon Oct 04, 2010 8:08 am
- Forum: Coleman Service & Repair
- Topic: Coleman DGAH077BBSB blows cold air
- Replies: 11
- Views: 9090
Re: Coleman DGAH077BBSB blows cold air
Thanks for the reply, Robert, the flame looks short and weak with a purple flame. It almost appears as if when the blower goes on that the flames are being knocked around to the point they will extinguish (but they don't). The front face of the chamber is labeled "HOT" yet it is barely luk...
- Sun Oct 03, 2010 10:43 pm
- Forum: Coleman Service & Repair
- Topic: Coleman DGAH077BBSB blows cold air
- Replies: 11
- Views: 9090
Re: Coleman DGAH077BBSB blows cold air
Thanks for your response. I found the following info useful http://www.ehow.com/how-does_5045697_troubleshooting-coleman-furnace.html and it mentions dirty burners being one of two possible causes for blowing cold air. Since my furnace does start and run apparently properly (the pilot lights the bur...
- Sun Oct 03, 2010 11:56 am
- Forum: Coleman Service & Repair
- Topic: Coleman DGAH077BBSB blows cold air
- Replies: 11
- Views: 9090
Coleman DGAH077BBSB blows cold air
Hi, I've been to your forum in the past but never posted - great site! Anyways, I have a Coleman furnace in my mobile home - P/N DGAH077BBSB - which was installed professionally in April '07. It worked fine until last winter when the pressure switch failed (error code: flashed 3 times and would not ...