| PROBLEM |
COMMON CAUSE |
SOLUTION |
| Thread breaks, slides up one ply above the needle eye. |
1. Burr on hook.
2. Point of hook too far away from needle.
3. Machine threaded incorrectly.
4. Incorrect needle bar height. |
1. Replace or polish hook.
2. Adjust distance.
3. Rethread machine correctly.
4. Adjust needle bar height. |
|
| Top thread is pulled back to side of garment, creating a thread
pile-up on the back side. |
1. Tension too tight.
2. Machine threaded incorrectly.
3. Dry hook race. |
1. Adjust tension.
2. Rethread machine correctly.
3. Lubricate race. |
|
| Excessive breaking |
1. Incorrect hook timing.
2. Incorrect needle bar height.
3. Burr on hook.
4. Tension too tight.
5. Needle incorrectly installed in needle bar. |
1. Adjust timing.
2. Adjust needle bar height.
3. Replace or polish hook.
4. Adjust tension.
5. Reinstall needle. Make sure scarf of needle is facing hook. |
|
| Stitching does not follow pattern outline. |
1. Bent needle.
2. Hoop loose in frame. |
1. Replace needle.
2. Tighten hoop in frame. |
|
| Frame board shifts out of alignment while pattern is running. |
1. Machine running too fast. |
1. Adjust machine speed. (If pattern is not
programmed to slow down, use the computer to change to a lower speed.) |
|
| Flat or hidden stitches |
1. Tension too tight.
2. Nap or pile fabric tends to hide thread. |
1. Loosen tension.
2. Use temporary transparent film topping material to make stitches stand up. |
|
| Needle holes in garment |
1. Material loose in hoop.
2. Thin material.
3. Too many stitches at point of cut.
4. Burred needle. |
1. Tighten material in hoop.
2. Add tear-away backing (most applications) or cut-away backing (preferred for delicate fabrics, knits, and sweaters).
3. Change pattern for satisfactory look. |
|
| Difficulty using metalic threads |
1. Needle eye too small.
2. Tension too tight. |
1. Use larger needle with oversized eye.
2. Loosen tension.
3. Use mesh sock around thread on cone. |
|
| Thread pig-tailing |
1. Top tension too tight. |
1. Adjust for minimum tension (trap twist and push back
between top and middle tensions).
2. Use mesh sock around thread on cone. |
|
| Looping |
1. Too many stitches in pattern.
2. Tightly woven material. |
1. Reduce stitch count.
2. Adjust tension for greater consistency. |
|
| Thread pulls out of needle after trimming. |
1. Lint in thread holder.
2. Tension too tight. |
1. Clean thread holder.
2. Loosen tension.
3. Sew at least three slow stitches after each trim to anchor thread. |