The engraving machine does not move or move normally when the single axis or the three axes do not move.

1. The control card is loose or faulty;

2. The drive failure of the corresponding axis;

3. The corresponding axis stepper motor failure;

4. The corresponding coupling is broken or loose (the coupling is loose and the symptoms are misplaced when engraving);

5. The corresponding screw breaks or the screw nut fails; 6. The corresponding shaft slips quickly;

7. The number of subdivisions, current, and settings in the software are different.