Troubleshooting Chart - Singer 14T968 Instruction Manual

28. TROUBLESHOOTING CHART

Problem
Fabric does not feed well
Needle breaks
Thread breaks
Stitch skip
Irregular stitches
Fabric puckers
Irregular trimming
Fabric jams
Machine does not operate
- Lengthen stitch length.
- Increase presser foot pressure for heavy weight fabric.
- Decrease presser foot pressure for lightweight fabric.
- Insert needle correctly.
- Do not pull fabric while sewing.
- Tighten needle set screw.
- Use a larger needle on heavy fabrics.
- Check threading.
- Check for tangled or caught thread.
- Insert needle correctly.
- Insert new needle, current needle may be bent or have a blunt
Point.
- Use only high quality thread.
- Loosen thread tension.
- Insert new needles, current needles may be bent or have a blunt
point. Use only Singer Branded Style 2022 Needles
- Tighten needle set screw.
- Insert needles correctly.
- Change type or size of needles.
- Check threading.
- Increase presser foot pressure.
- Use a high quality thread.
- Fine tune thread tension.
- Check for tangled or caught thread.
- Check threading.
- Loosen thread tension.
- Check for tangled or caught thread.
- Use high quality lightweight thread.
- Shorten stitch length.
- Decrease presser foot pressure for lightweight fabrics.
- Check alignment of knives.
- Replace one or both knives.
- Close looper cover before sewing.
- Check for tangled or caught thread.
- Compress thick layers of fabric with conventional machine before
sewing with overlock.
- Connect machine to power source.
6 9
Solution Page
31
32
32
15
38
15
15
16~29
30
15
9
70
34~49
9
15
15
15
16~29
32
70
39~49
30
16~29
39~52
30
70
31
32
65
65
12
30
12