Steve S-FRF
Senior Member
- Joined
- Oct 17, 2013
- Posts
- 1,403
This happens to me at different elevations and it's just soot build up. I just crank up the burner for a few minutes and then hit it a few times with a rubber mallet. The soot build up will burn off. You'll get a bunch of different colored flames and after a few minutes it'll return to normal.