I just made a short video showing the error with the positioning gradually getting worse, I have tested it on all 4 drives with load and without. This error is very sporadic, sometimes it is there other times I cant make it happen no matter what..
The other weird thing is that the encoder is constantly showing zero after powerup, then when I move the axis 1mm it goes up to 154 counts which should be 160 counts. Then when going 1mm the other way, it shows -6 counts, ie. moved 160 counts as it should. This also happens on all drives.
Here is the video:
https://streamable.com/kf5sl
Best Regards
Andreas