1. The heald frame is loose, uneven or too low.
2. There is a great difference in warp tension between the upper and lower layers.
3. Lint or hairiness may be caused by excessive sizing, sticky opening, and poor sizing.
4. Warp yarn has flying hair, yarn tail and big knot.
5. The head and tail of heald are broken or the heald is disturbed.
6. Some warp yarns are loose or the tension is too low.
7. The opening time is wrong. (the opening is too small)
8. The height of the side brace is not standard.
9. The reed number is too dense. Please check the reed number and the process sheet.
10. If there are too many yarns per reed, check the process sheet.
