Dear All, I am new on this Forum, however I find it very interesting and useful. I am collecting for my hobby various welding machines, even ones out of order and attempting to repair it. Recently I have acquired a Migatronic LDH 160 machine, where the switch module is missing. Do you have any one such module or advise on replacement parts. As I understood the "transistors" are a bit special in this machine. Any feedback on this machine would be welcome Respectfully, "Fitter Zsolt"