Trouble shooting guide
Problem
Cause
Correction
Upper
thread
breaks
Lower
thread
breaks
Skipped
stitches
Needle
breaks
Loose
stitches
Seams
gather or
pucker
Uneven
stitches,
uneven
feed
The
machine
jams
1.The machine is not threaded
correctly.
2.The thread tension is too tight.
3.The thread is too thick for the
needle.
4.The needle is not inserted correctly.
5.The needle is damaged.
1.The bobbin case is not inserted
correctly.
2.The bobbin case is threaded
wrongly.
1.The needle is not inserted correctly.
2.The needle is damaged.
3.The wrong size needle has been
used.
1.The needle is damaged.
2.The needle is not correctly inserted.
3.Wrong needle size for the fabric.
4.The wrong foot is attached.
1.The machine is not correctly
threaded.
2.The bobbin case is not correctly
threaded.
3.Needle/fabric/thread combination is
wrong.
4.Thread tension wrong.
1.The needle is too thick for the fabric.
2.The stitch length is wrongly
adjusted.
3.The thread tension is too tight.
1.Poor quality thread.
2.The bobbin case is wrongly
threaded.
3.Fabric has been pulled.
Thread is caught in the hook.
1.Rethread the machine.
2.Reduce the thread tension.
3.Select a larger needle.
4.Remove and reinsert the needle.
5.Replace the needle.
1.Remove and reinsert the bobbin case
and pull on the thread. The thread
should pull easily.
2.Check both bobbin and bobbin case.
1.Remove and reinsert needle.
2.Insert a new needle.
3.Choose a needle to suit the thread
and fabric.
1.Insert a new needle.
2.Insert the needle correctly.
3.Choose a needle to suit the thread
and fabric.
4.Select the correct foot.
1.Check the threading.
2.Thread the bobbin case as illustrated.
3.The needle size must suit the fabric
and thread.
4.Correct the thread tension.
1.Select a finer needle.
2.Readjust the stitch length.
3.Loosen the thread tension.
1.Select a better quality thread.
2.Remove bobbin case and retread
and insert correctly.
3.Do not pull on the fabric while sewing,
let it be taken up by the machine.
Remove the upper thread and bobbin
case, turn the handwheel backwards
and forwards by hand and remove the
thread remands.
If the problem is still not solved, please contact your local dealer.
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