Singer S0100 Serger User Manual - Page 23

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 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. Page 17 17 17 16 8 14 8 8 10-13 8 8 28 15 8 8 8 8 10-13 17 28 15 10-13 15 28 17 17 16 22 22 6 23