Obstacle Avoidance - Zanussi ZAN2250 User Manual

13.09.2006

Obstacle avoidance

Obstacle avoidance
Malfunction
Malfunction
Upper thread breaks
Lower thread breaks
Needlebreaks
Skipping stitch
13:33 Uhr Seite 19
Cause
Cause
1.Upper thread is not correctly installed.
2.Upper thread tension is too tight.
3.Needle is bent or dull.
4.Needle is misplaced.
5.Fabrics are not pulled backward after sewing.
6.Thread is either too thick or too thin.
1.Lower thread is not threaded properly in
the shuttle hook.
2.There is fine hair inside hook.
3.Bobbin is damaged.
1.Needle is not correctly installed.
2.Needle is bent or dull.
3.Needle clamp screw goes loose.
4.Upper thread tension is to tight.
5.Fabrics are not pulled backward after sewing.
6.Needle is too thin to the cloth to be stitched..
7.Pattern selection dial is not turned
properly.
1.Needle is incorrectly installed.
2.Needle is bent or dull.
3.Neither needle nor thread is fit for sewing.
4.Upper threading is not correct.
17
Explanation
Explanation
See Page 7
See Page 7
See Page 5
See Page 5
See Page 9
See Page 5
See Page 6
Clean the bobbin
case
Replace bobbin
See Page 5
See Page 5
See Page 7
See Page 9
See Page 5
See Page 8
See Page 5
See Page 5
See Page 7