I'm very new to cnc. Have a plasma table I build from a camcutcnc kit with a Lincoln's 25 plasma cutter. At first I was able to cut several of the sample gcodes using mach3 that came with kit Then got sheetcam to try some dxf files that's when everything went to sh...... :somehow I've change configuration in mach3 first while loading gcode the screen went to a blank screen.when I finally got back to main screen the lights next to x,y,z,and a wouldn't turn green.Again I was able to get X,Y,Z to turn green but not A.Now when after loading gcode and starting cycle it stops at M3 if I hit start again the gcode resumes but not the plasma.
I think M3 must turn on or off plasma cutter.This is how new I am don't know g or m codes and other term of the industry (e i DRO'S ,THC,AND WORK OFFSETS to say a few)
CAN ANYONE MAKE SENSE OF MY PROBLEM AND HELP
THANKS SO MUST
ROSS THE 55CHEVYGUY