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44
Troubleshooting
Condition
The needle thread
breaks.
1. The needle thread is not threaded properly.
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 and the bobbin thread are not set under the
presser foot when start sewing.
6. The threads were not drawn to the rear after sewing.
7. The thread is either too heavy or too fine for the needle.
Reference
See page 15, 16
See page 18
See page 8
See page 8
See page 17
See page 22
See page 8
Cause
The bobbin thread
breaks.
The needle breaks.
Skipped stitches
Seam puckering
The cloth is not feeding
smoothly.
Stitches form loops
below the works.
The machine does not
work.
Buttonhole sewing is not
sewn properly.
The machine does not
run smoothly and is
noisy.
1. The bobbin thread is not threaded properly in the bobbin holder.
2. Lint has collected in the bobbin holder.
3. The bobbin is damaged and doesn’t turn smoothly.
4. The thread is wound loosely on a bobbin.
1. The needle is incorrectly inserted.
2. The needle clamp screw is loose.
3. The threads were not drawn to the rear after sewing.
4. The needle is too fine for the fabric being used.
5. The presser foot is not appropriate for the stitch pattern being sewn.
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 Tipped needle is not being used for sewing stretch, very fine
fabrics and synthetics.
4. The needle thread is not threaded properly.
5. A poor quality needle is used.
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.
1. The feed dog is packed with lint.
2. The stitches are too fine.
3. The feed dog is not raised after “drop feed” sewing.
1. The needle thread tension is too loose.
2. The needle is either too heavy or too fine for the thread.
1. The machine is not plugged in.
2. Thread has been caught in the hook race.
3. The bobbin winder spindle is not returned to the left after bobbin
winding.
1. The stitch density is not suitable for the fabric being sewn.
2. Suitable interface material has not been used for the stretch or
synthetic fabric.
1. Thread has been caught in the hook race.
2. Lint has built up in the hook race or bobbin holder.
See page 14
See page 42
Replace the bobbin.
See page 13
See page 8
See page 8
See page 22
See page 8
Change the presser
foot.
See page 8
See page 8
See page 8
See page 15, 16
Change the needle.
See page 18
See page 15, 16
See page 8
Make the stitches shorter.
See page 42
Make the stitches longer.
See page 19
See page 18
See page 8
See page 6
See page 42
See page 13
See page 39
Use an interfacing.
See page 42
See page 42
Elna Lotus Sewing Machine Instruction Manual
www.janomeflyer.com
Lotus Owners Manual/ User Guide
