CONDITION /CAUSE REFERENCE
The Needle Thread Breaks
• The needle thread is not threaded properly.
• The needle thread tension is too tight.
• The needle is bent.
• The needle is incorrectly inserted.
• The needle thread and the bobbin thread are not placed
under the presser foot at start of sewing.
• The threads were not drawn to the rear after sewing.
Page 16
Page 21
Page 12
Page 12
Page 22
Page 23
The Bobbin Thread Breaks
• The bobbin thread is not threaded properly in the bobbin
case.
• Lint has collected in the bobbin case.
• The bobbin is damaged and does not turn smoothly.
Page 15
Page 41
Change the bobbin
The Needle Breaks
• The needle is incorrectly inserted.
• The needle clamp screw is loose.
• The threads were not drawn to the rear after sewing.
• The needle is incorrectly inserted, bent or blunt.
• The needle and/or threads are not suitable for the fabric
being sewn.
Page 12
Page 12
Page 23
Page 12
Page 12
Skipped Stitches
• The needle thread is not threaded properly.
• A poor quality needle is used.
• The needle thread tension is too tight.
Page 16
Change the needle
Page 21
Seam Puckering
• The needle thread is not threaded properly.
• The stitch length is too long for the fabric.
Page 16
Make stitch shorter.
43
Troubleshooting
