The burner cause problems due to there are lots of fluffs and dust bunnies in the surrounding of the burners. This dust pulping is dangerous for the burner. Because the blower fans sucked this dust bunny with air that plugging the lines of air which cause unbalanced the air fuel ratio that produced carbon.
It is not an issue of this burner. You can use any brand of burner this issue is occurred which cause problem because of too much fluff and dust bunnies.
If not properly maintained, combustion equipment