Before calling for service, check the following items. If the problem still persists, contact the place of
purchase or your nearest authorized dealer.
1. The machine is not threaded correctly.
2. The thread tension is too tight.
2. Reduce the thread tension (lower number).
3. The thread is too thick for the needle.
3. Select a larger needle.
4. The needle is not inserted correctly.
4. Remove and reinsert the needle (flat side
towards the back).
5. The thread is wound around the spool holder
pin.
5. Remove the reel and wind thread onto reel.
6. The needle is damaged.
1. The bobbin case is not inserted correctly.
1. Remove and reinsert the bobbin case and
pull on the thread. The thread should pull
easily.
2. The bobbin case is threaded wrong.
2. Check both bobbin and bobbin case.
1. The needle is not inserted correctly.
1. Remove and reinsert needle (flat side
towards the back).
2. The needle is damaged.
3. The wrong size needle has been used.
3. Choose a needle to suit the thread.
4. The foot is not attached correctly.
4. Check and attach correctly.
5. The machine is not threaded correctly.
1. The needle is damaged.
2. The needle is not correctly inserted.
2. Insert the needle correctly (flat side towards
the back).
3. Wrong needle size for the fabric.
3. Choose a needle to suit the thread and
fabric.
4. The wrong foot is attached.
4. Select the correct foot.
5. The needle clamp screw is loose.
5. Use the screwdriver to firmly tighten the
screw.
6. The presser foot that is used is not
appropriate for the type of stitch that you
wish to sew.
6. Attach the presser foot that is appropriate
for the type of stitch that you wish to sew.
7. The upper thread tension is too tight.
7. Loosen the upper thread tension.
1. The machine is not correctly threaded.
2. The bobbin case is not correctly threaded.
2. Thread the bobbin case as illustrated.
3. Needle/ fabric/ thread combination is
wrong.
3. The needle size must suit the fabric and
thread.
4. Thread tension is wrong.
4. Correct the thread tension.
1. The needle is too thick for the fabric.
1. Select a finer needle.
2. The stitch length is adjusted wrong.
2. Readjust the stitch length.
3. The thread tension is too tight.
3. Loosen the thread tension.