Hi, I'm new in EDM Machines, we have an EDM Beltmont Maxicut, my problem is when I press the button to start discharge te Z travel to Zero position end when it try to start it travel back until it goes to overtravel alarm. I swap some PCboards with another machine and the problem continues, we compare the parameter and there are the same with the machine is working good.

some body can help me please. I speak spanish and little little english, but I understand.

Thanks...