1, controls are loose or fault;
2, the corresponding drive shaft failure;
3, the corresponding axis stepper motor failure;
4, the corresponding coupling broken out or loose;
5, the corresponding screw nut screw breakage or malfunction;
6, corresponding to the fast axis of the slide fails;
7, the number of the drive segment, a current, the same is not provided with the software;
http://youtu.be/oY2baQn7piE
http://youtu.be/T2WuZ56vEco
http://youtu.be/3wU0i0Z37ik