I'm having some erratic arc problems with my dynasty 200dx. Everything seems to check out fine like gas flow,connections,points(set at 0.010),good gas and tungsten. When I press on the pedal I get this buzz/tick so I take off the cover to see its the arc jumping the points. This is weird cause last time I fired it up it worked just fine. Also talked to a tech and he told me my boards are bad. I just bought the machine with only 25hrs on it and its a 07 model. The inside of the machine look fairly clean.