Troubleshooting - Janome 6019QC Instruction Book

Troubleshooting

Condition
The needle thread
breaks.
The bobbin thread
breaks.
The needle breaks.
Skipped stitches
Seam puckering
The cloth is not
feeding smoothly.
Loops on the seams
Fabric layers shift
The machine doesn't
work.
Buttonhole is not
sewn properly.
The machine is noisy.
38
The needle thread is not threaded properly.
The needle thread tension is too tight.
The needle is bent or blunt.
The needle is incorrectly inserted.
The needle thread and the bobbin thread are not set under the
presser foot when start sewing.
The threads were not drawn to the back after sewing.
The thread is too heavy or too fine for the needle.
The bobbin thread is not threaded properly in the bobbin holder.
Lint has collected in the bobbin holder.
The bobbin is damaged and doesn't turn smoothly.
The needle is incorrectly inserted.
The needle clamp screw is loose.
The threads were not drawn to the back after sewing.
The needle is too fine for the fabric being used.
The needle is incorrectly inserted, bent or blunt.
The needle and/or threads are not suitable for the work being sewn.
The blue tipped needle is not used for sewing stretch, very fine
fabrics and synthetics.
The needle thread is not threaded properly.
The poor quality needle is used.
The needle thread tension is too tight.
The needle thread is not threaded properly.
The needle is too heavy for the fabric being sewn.
The stitch length is too long for the fabric.
Foot pressure is not adequate.
The feed dog is packed with lint.
The stitches are too fine.
The feed dog is not raised after "drop feed" sewing.
The needle thread tension is too loose.
The needle is too thick or too fine for the fabric.
Foot pressure is not adequate.
The machine is not plugged in.
Thread has been caught in the hook race.
The bobbin winder spindle is not returned to the left after bobbin
winding. (The machine is in bobbin winding condition)
The stitch density is not suitable for the fabric being sewn.
The suitable interface material has not been used for the stretch or
synthetic fabric.
Thread has been caught in the hook race.
Lint has built up in the hook race or bobbin holder.
Cause Reference
Page 12
Page 8
Page 9
Page 9
Page 17
Page 17
Page 9
Page 11
Page 39
Change the bobbin
Page 9
Page 9
Page 17
Page 9
Page 9
Page 9
Page 9
Page 12
Change the needle
Page 8
Pages 11-12
Page 9
Make stitch shorter.
Page 7
Use stabilizer.
Page 39
Make stitch longer.
Page 7
Page 8
Page 9
Page 7
Page 5
Page 39
Page 10
Page 25
Page 23
Page 39
Page 39