Table of Contents
Advertisement
Troubleshooting
Condition
Cause
The needle thread
1. The needle thread is not threaded properly.
breaks
2. The needle thread tension is too tight.
3. The needle is bent or blunt.
4. The needle is incorrectly inserted.
5. The needle thread is not set under the presser foot when start sewing.
6. The fabric is moved too fast when stitching free motion quilting.
7. The thread is tangled around the spool.
The bobbin thread
1. The bobbin thread is not threaded properly in the bobbin holder.
breaks
2. Lint has collected in the bobbin holder.
3. The bobbin is damaged and does not turn smoothly.
The needle breaks
1. The needle is incorrectly inserted.
2. The needle is bent.
3. The needle clamp screw is loose.
4. The needle is too fine for the fabric being used.
5. An inappropriate presser foot is used.
6. The fabric was pulled toward you when sewing free motion quilting with
Skipped stitches
1. The needle is incorrectly inserted, bent or blunt.
2. The needle and/or threads are not suitable for the work being sewn.
3. A blue tip needle is not being used for sewing stretch, very fine fabrics
4. The needle thread is not threaded properly.
5. A poor quality needle is used.
6. A purple tip needle is not being used for sewing thick fabrics, denims
Seam puckering
1. The needle thread tension is too tight.
2. The needle thread is not threaded properly.
3. The needle is too heavy for the fabric being sewn.
4. The stitch length is too long for the fabric.
5. The foot pressure is not adjusted properly.
6. A stabilizer is not used when sewing very fine fabrics.
The fabric is not
1. The feed dog is packed with lint.
2. The stitches are too fine.
feeding smoothly
3. The feed dog is not raised after "drop feed" sewing.
Loops on the seams 1. The needle thread tension is too loose.
2. The needle is too thick or too fine for the fabric.
The machine does
1. The machine is not plugged in.
not run
2. Thread has been caught in the hook race.
3. The start/stop button is used with the foot control plugged in.
Buttonhole sewing
1. The stitch density is not suitable for the fabric being sewn.
is not sewn properly
2. The interfacing has not been used for the stretch or synthetic fabric.
3. The buttonhole lever is not lowered.
The machine is
1. Thread has been caught in the hook race.
noisy
2. Lint has built up in the hook race or bobbin holder.
Auto thread cutting
1. Thread is too thick for the auto thread cutting.
failed
2. Threads have been caught in the thread cutter mechanism.
Pattern selection
1. The needle plate for straight stitch is attached to the machine.
keys are grayed out.
2. Dual feed key is on.
3. Twin needle key is on.
Pattern selection
1. The key position is out of alignment.
keys do not work
1. The screen brightness is not adjusted properly.
Visual Touch Screen
is not clear.
the free motion quilting open-toe foot QO.
and synthetics.
and across the hem.
136
Reference
Page 29-30
Page 48
Change the needle.
Page 23
Page 38
Page 116
Use the spool holder.
Page 28
Page 131
Change the bobbin.
Page 23
Change the needle.
Page 23
Page 24
Use the correct foot.
Page 116
Page 23
Page 24
Use the stretch stitch
needle.
Page 29-30
Change the needle.
Page 24
Page 48
Page 29-30
Page 24
Make stitch shorter.
Page 48
Apply a stabilizer.
Page 131
Make stitch longer.
Page 36
Page 48
Page 24
Page 10-11
Page 131
Page 11
Page 57
Apply an interfacing.
Page 55
Page 131
Page 131
Page 15
Page 131
Page 33
Page 41
Page 79
Page 127
Page 126
Advertisement
Table of Contents
