I hope someone can help me with my stepper problems.
My Ultimaker was running perfect for about 3-4 month.
Now for two days my Z-Axis stepper is only moving the platform downwards.
If I manually move the axis with my Ulticontroller, the platform lowers always (turn clockwise and counterclockwise).
(the same result by PC-USB controlling)
What I´ve done so far:
- change stepper driver with another axis (same problem with the Z-Axis)
- flashed Firmware many times
- inverted the axis in the firmware
- checked the endstops (the endstops are working correctly)
- checked the cable connections
Thanx for help