TROUBLESHOOTING
54
Solution
Plug in correctly at the
machine or the power supply.
Try a different power point.
Replace the bulb.
Remove the embroidery/
darning throat plate.
Adjust the stitch length dial to
a higher value.
Insert needle correctly.
Replace with a new needle.
Place the fabric correctly.
Attach the correct foot.
Use a needle and thread
appropriate to the fabric.
Thread needle correctly.
Reduce the top thread
tension.
Replace needle.
Reset the stitch selector dial.
Use a larger needle.
Insert needle correctly.
Remove the bobbin and
unwind the thread.
Smooth the shuttle or replace
with a new one.
Replace the thread.
Thread needle correctly.
Reduce bottom thread
tension.
Insert needle correctly.
Replace needle.
Put bobbin case in correctly;
thread must unroll easily.
Clean shuttle.
Cause(s)
Power plug is not plugged in
correctly.
No power supply.
Bulb is defective.
Embroidery/darning throat
plate is attached
Stitch length is set to "0".
Needle not inserted correctly.
Needle is bent.
Fabric is pulling the needle.
The wrong foot is attached.
Needle, thread and fabric do
not match each other.
Needle is threaded wrongly.
Tension of top thread is too
high.
Needle is damaged.
Zig-zag width is incorrect.
Thread is too thick for the
needle.
Needle is installed wrongly.
Thread has wound itself
around the bobbin case.
Shuttle is scratched.
Thread is too old, dry or
brittle
Needle is wrongly threaded.
Bottom thread tension is too
high.
Needle not inserted correctly.
Needle is damaged.
Bobbin case is wrongly
inserted.
Shuttle is dirty.
Fault
Machine does not work at all
Light does not come on
Fabric does not feed
Needle breaks
Top thread breaks
Bottom thread breaks
