Hi,


I have a cnc machine we built, the issue I am having is that when I cat something on the machine and the torch is in direct contact with the steel it makes a small spark and then mach3 says there is a watchdog error,

It also then throws out all USB ports like keyboard and mouse. I then have to unplug then and re-plug them to work.

I use a mach 3 usb controller without a THC