Heatexchanger main blower tries to blow flame out then rollout has to be reset is ther a diagram of the heatexchanger where it meets the blower

Dale Koehn

• 88 Answers
• Posted on Jan 25, 2009

SOURCE: new furnace flame rollout

Have you checked the venting either on the side of the house or on the roof ? did you or the company who installed it go by the specs on how many elbows and length of the venting run ? It also sounds like you have some blockage somewhere, if your in a climate that has alot of snow or some type of freezing rain, your intake or exhaust could be plugged by ice or snow, if so, a quick solution for this is if you have a shop vac , take the tube and hook it up to the exhaust side of the vac, then place the vac tube into the 2" vent wrap a rag around that to make a better air seal, then turn the unit on, if ice is the problem it will blow it right out ! if this does not fix the problem, I would consult the company who installed it and have them come take a look, should be no charge if the system is new, hope this advise helped, please rate this and let us know how we did, thanks for your qquestion,
mr.grzz

SOURCE: I have a goodman gmpn that the middle burner has a little bit of flame rollout it kicks the flame sensor switch after about 1-2 minutes then it will not cycle back on. The flames are perfect until the

Unfortunately that means there's a hole in the heat exchanger, particularly in that cell of it. When the main blower comes on the air is pushed into the heat exchanger, causing the flame rollout. A heat exchanger crack or blowout is usually what condemns a furnace for good. Goodmans however, have a lifetime warranty on their heat exchangers, so you'll probably be able to find someone to replace it pretty cheap, or do it yourself for free.