I bought this kit just a few days ago and the assembly was completely painless (after I found out that there was additional assembly info in a subfolder). However, after connecting with Repetier Host, I only got the Z-axis and Y-axis engines to work (manual control). The X-axis remains at it's location, no matter what I do. I already checked the status for the limit switch, and M 119 says they'reby brink - Extruded Aluminum Frames