[lukas0001]

hey..
post under yours!!!
i tryed ewerything what did you askd me to try. nothing helped... and i posted you back!

i think that must be something in the wiriing to drivers. becouse i realy tried ewerything...

or if i hawe something in mach3 setup wrong....
what other thing coud be??

[H500]

It will be necessary to run tests to try to isolate the problem.

Have you ruled out mechanical problems, such as the pulley slipping? Do you have a photo of the machine?

Measure zero position with a dial gage. Move the y axis back and forth 100 times at the maximum speed. Does it return to zero?