This sounds like the same problem I had when I built my X-Carve a few months back, the exact problem was never found but after replacing the gShield the Z-Axis worked fine.
I would recommend emailing help@ inventables dot com
This sounds like the same problem I had when I built my X-Carve a few months back, the exact problem was never found but after replacing the gShield the Z-Axis worked fine.
I would recommend emailing help@ inventables dot com