[Ricc]

Hi guys, I got a problem. My mach3 seems to be working fine most of the time. But sometimes things like this happen: in the middle of a job today, only the X stepper was active and engraving a line along X; Mach3 and the X stepper suddenly stopped for seme seconds, let's say around 4 seconds. Then the X stepper (but not mach3) restarted it's job but it didn't stop at the end of the line and crashed into the limit switch. Mach3 however was still blocked at the coordinates at which the stepper stopped the first time. I can say that from the cross indicator in the tool path window.

Any idea what this might be due to?

[ger21]

Are you using the parallel port?

[Ricc]

no, usb! it's a 6040 chinese engraving machine.

[Ricc]

I maybe found the problem, there were a few windows options for the usb port in windows power management. I deactivated all "sleep" functions and similar. Now it seems to go well. But can't really be sure about that until I see I can manage many jobs without anymore problems.