First, please pardon my bad english.
I have the following problem with my new UM2:
After unpacking and installing I got till the first run wizzard.
At step 4/21, as I understand it, the Hot-End should move to the middle of the bed and I should be able to move the bed with the rotating knob.
In my case, nothing happens.
None of the motors does one single step or even a noise.
Only things that work are the lights, the middle fan at the hot end and the display.
I checked the wir