Singer S16 instruction manual Troubleshooting, Condition Cause Reference

Troubleshooting

Condition		Cause	Reference
The needle thread	1. The needle thread is not threaded properly.		See page 10.
breaks	2. The needle thread tension is too tight.		See page 14.
	3.	The needle is bent or blunt.	See pages 13.
	4.	The needle is incorrectly inserted.	See pages 13.
	5.	The needle thread and the bobbin thread are not set under the	See page 12.
		presser foot when starting to sew.
	6.	The thread is either too heavy or too fine for the needle.	See pages 11, 13.
	7.	The thread is feeding unevenly off the spool.
The bobbin thread	1.	The bobbin thread is not threaded properly in the bobbin case.	See page 9.
breaks
	2.	Lint has collected in the hook area.	See page 19.
	3.	The bobbin is damaged and doesn't turn smoothly.	Replace the bobbin.
The needle breaks	1.	The needle is incorrectly inserted.	See pages 13.
	2.	The needle clamp screw is loose.	See pages 13.
	3.	The needle is too fine for the fabric being used.	See pages 13.
Skipped stitches	1. The needle is incorrectly inserted, bent or blunt.		See pages 13.
	2.	The needle and/or fabrics are not suitable for the work being sewn.	See pages 11, 13.
	3.	A ballpoint needle is not used when sewing stretch, very fine fabrics	See page 13.
		or synthetics.
	4.	The needle thread is not threaded properly.	See page 10.
	5.	A poor quality and improper needle type is being used.	Change the needle.
		Use only HL x 5 needles.
Seam puckering	1. The needle thread tension is too tight.		See page 14.
	2.	The needle thread is not threaded properly.	See page 10.
	3.	The needle is too heavy for the fabric being sewn.	See pages 11, 13.
	4.	The stitch length is too long for the fabric.	Make the stitch shorter.
Fabric feeding problems	1.	The feed dog is packed with lint.	See page 19.
	2.	The stitches are too fine.
			Make the stitch longer.
Thread loops on	1. The needle thread tension is too loose.		See page 14.
underside of fabric	2. The needle is either too heavy or too fine for the thread.
			See pages 11, 13.
	3. Knee lifter is being lightly pressed by knee.
Power is off to machine	1. The machine is not plugged in.		See page 4.
	2.	Thread has been caught in the hook and bobbin case area.	See page 19.
Unusual noises made by	1. Thread has been caught in the hook and bobbin case area.		See page 19.
machine	2. Lint has built up in the hook area or bobbin case.		See page 19.
	3. The machine needs oiling.		See page 19.

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