Possibly a 'sail switch' failure. This is a safety device that won't allow the burner to stay on if not moving enough air. From your description, you probably need to have a mobile tech check it out, might be a control board problem also.
__________________
2016 Tiffin 40 QBH
2015 38RSSA, traded
2005 TK3 #1869, 10 yrs of memories,
2017 F450 KR--one more Ford is it
2009 F450 4x4-died; 2010 F450-retired
|