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Trouble shooting guide
Before calling for service, check the following as below. If the problem still
persists, please contact the purchase place or your nearest authorized
dealer.
Problem
1. The machine is not threaded
correctly.
2. The thread tension is too tight. 2. Reduce the thread tension (to
3. The thread is too thick for the
Upper
needle.
thread
4. The needle is not inserted
breaks
correctly.
5. The thread is wound around
the spool holder pin.
6. The needle is damaged.
1. The bobbin case is not
inserted correctly.
Bobbin
thread
breaks
2. The bobbin case is threaded
wrong.
1. The needle is not inserted
correctly.
2. The needle is damaged.
Skipped
3. The wrong size needle has
stitches
been used.
4. The presser foot is not
attached correctly.
5. The machine is not threaded
correctly.
1. The needle is damaged.
2. The needle is not correctly
inserted.
3. Wrong needle size for the
fabric.
4. The wrong presser foot is
Needle
attached.
breaks
5. The needle clamp screw is
loose.
6. The presser foot is not
appropriate for the type of
stitch that you sew.
7. The upper thread tension too
tight.
Cause
48
Correction
1. Rethread the upper thread.
lower number).
3. Select a larger needle size.
4. Remove and reinsert the
needle (flat side towards the
back).
5. Remove the reel and wind up
the thread onto the reel.
6. Insert a new needle.
1. Remove and reinsert the
bobbin case and pull on the
thread.
2. Check both bobbin and bobbin
case if on the correct position.
1. Remove and reinsert the
needle (flat side towards the
back).
2. Insert a new needle.
3. Choose a needle to suit the
thread.
4. Check and attach it correctly.
5. Rethread the upper thread.
1. Insert a new needle.
2. Insert the needle correctly (flat
side towards the back).
3. Choose a needle to suit the
thread and fabric.
4. Select the correct presser foot.
5. Use the screwdriver to tighten
the screw.
6. Attach appropriate presser
foot for the type of stitch that
you sew.
7. Loosen the upper thread
tension.
Reference
11
18
16
15
11
15
10
10
15
15
16
17
11
15
15
16
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15
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18
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