Trouble Shooting - Viking Huskylock S15 User Manual

Trouble shooting

Problem
Fabric does not feed well
Needle breaks
Thread breaks
Stitches skip
Irregular stitches
Fabric puckers
Irregular trimming
Fabric jams
Machine does not operate
22
Solution
- Lengthen stitch length.
- Increase presser foot pressure for heavy weight fabric.
- Decrease presser foot pressure for light weight fabric.
- Check the differential feed.
- Insert needle correctly.
- Do not pull fabric while sewing.
- Tighten needle set screw.
- Use a larger size 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 high quality thread.
- Loosen thread tension.
- Insert new needle, current needle may be bent or have a blunt point.
- Tighten needle set screw.
- Insert needle correctly.
- Change type or size of needle.
- Check threading.
- Increase presser foot pressure.
- Use a high quality thread.
- Balance thread tension.
- Check for tangled or caught thread.
- Check threading.
- Loosen thread tension.
- Check for tangled or caught thread.
- Use high quality light weight thread.
- Shorten stitch length.
- Decrease presser foot pressure for light weight fabrics.
- Check the differential feed.
- Check alignment of the cutters.
- Replace one or both cutters.
- Be sure the cutters are in sewing position.
- Check for tangled or caught thread.
- Compress thick layers of fabric with conventional machine before sewing
with overlock.
- Connect machine to power source correctly.
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