Hello friends, well straight to the point, I am having problems with my 200D. Told when I was running beads on the line things were going well moving right along and all of a sudden it wouldn't strike and arc, to I took the cap off and checked the excited brushes, cleaned everything and turned my grinder on and one of the brushes was throwing out a spark about 1/2" long. That seem to be strange to me but I tried to weld anyways and it welded HOT! to the point I had to make sure I wasn't in 4th gear (I am running in 3rd for this small pipe). So I fell back and then I took the doors off and the cover off to clean the armature and was caught a little off guard. Instead of it being black and soot looking it was silver, almost like a chrome look. Well I got everything put back together and jumped back in front and tried to run beads and it was still running very hot running. I am completely stumped by this. The brushed looked to be seated correctly, not worn done a lot, so yeah... anybody ever experience anything like this or have any help. It would be greatly appreciated!