I am sure this is probably something stupid, but I just picked up a 256si and everything works except the plasma cutter. It will strike an arc if I touch off the workpiece l, but doesn?t do anything if I just pull the trigger in mid air. The previous owner thought there was something wrong with the pilot pulse, but I don?t think you?d get a pilot arc without the air solenoid energizing. Everything works fine when using tig(including the solenoid), and everything works for stick welding. I plan to call support when I?m in front of the machine, but wanted to see if anyone had any ideas. All new consumables, trigger is working (tested with meter), air at ~70psi. I did also try the tig switch in cut just to see if the solenoid would fire, and it doesn?t.