Flame blows out on “LOW”
Burner holes may be obstructed.
Grill is not sufficiently preheated.
Burner is improperly seated on control valve.
Refer to the section of “Burner Cleaning” at P.29-30 to clean the burner.
Preheat the grill for sufficient time.
Refer to the section of “To Reinstall The Main Burners” at P.30 to reinstall burner properly.