I carved about 10 carvings just fine. A few days went, and I started a carve and now I am getting those Z-Stall errors again. I can hit the #7 to measure and Z-Stalls. I can manually move the truck up to the highest position and hit the #7 and the Z-truck will move about 3/16" down and error out. When I manually move to any other location it will not move and error out. Any help out there. I have searched the forum and have not found any post like I am describing above.