TROUBLESHOOTING GUIDE

Before calling for service, check the following items. If the problem still persists, contact the place of purchase or your nearest authorized dealer.

Problem

Upper thread breaks

Lower thread breaks

Skipped stitches

Needle breaks

Loose stitches

Seam gather or pucker

Cause

1.The machine is not threaded correctly.

2.The thread tension is too tight.

3.The thread is too thick for the needle.

Correction

1.Rethread the machine.

2.Reduce the thread tension (lower number).

3.Select a larger needle.

4.The needle is not inserted correctly.

4.Remove and reinsert the needle ( À at side towards the back).

5.The thread is wound around the spool holder pin.

5.Remove the spool and wind thread onto spool.

6.The needle is damaged.

6.Replace the needle.

1.The bobbin case is not inserted correctly.

2.The bobbin case is threaded wrong.

3.The lower thread tension is too tight

1.The needle is not inserted correctly.

2.The needle is damaged.

3.The wrong size needle has been used.

4.The foot is not attached correctly.

5.The machine is not threaded correctly.

6.The presser foot pressure is not correct.

1.The needle is damaged.

2.The needle is not correctly inserted.

1.Remove and reinsert the bobbin case and pull on the thread. The thread should pull easily.

2.Check both bobbin and bobbin case.

3.Loosen lower thread tension.

1.Remove and reinsert needle ( À at side towards the back).

2.Insert a new needle.

3.Choose a needle to suit the thread.

4.Check and attach correctly.

5.Rethread the machine.

6.Increase the presser foot pressure.

1.Insert a new needle.

2.Insert the needle correctly ( À at side towards the back).

3.Choose a needle to suit the thread and fabric.

3.Wrong needle size for the fabric.

4.The wrong foot is attached.

5.The needle clamp screw is loose.

6.The presser foot that is used is not appropriate for the type of stitch that you wish to sew.

7.The upper thread tension is too tight.

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 is wrong.

1.The needle is too thick for the fabric.

2.The stitch length is adjusted wrong.

3.The thread tension is too tight.

4.Select the correct foot.

5.Use the screwdriver to ¿ rmly tighten the screw.

6.Attach the presser foot that is appropriate for the type of stitch that you wish to sew.

7.Loosen the upper thread tension.

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 ¿ ner needle.

2.Shorten the stitch length.

3.Loosen the thread tension.

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Problem

Seam puckering

Patterns are distorted

The machine jams

The machine is noisy

Uneven stitches, uneven feed

The sewing machine does not operate

Cause

1.The needle thread tension is too tight.

2.The needle thread is not threaded correctly.

Correction

1. Loosen the thread tension.

2. Rethread the machine.

3.The needle is too heavy for the fabric being sewn.

4.The stitch length is too long for the fabric.

3. Choose a needle to suit the thread and fabric.

4. Shorten stitch length.

5.The presser foot pressure is not correctly adjusted.

5. Decrease the presser foot pressure.

1.The correct presser foot is not used.

2.The needle thread tension is too tight.

1.Thread is caught in the hook.

2.The feed dogs are packed with lint.

1. Select the correct foot.

2. Loosen the thread tension.

Remove the upper thread and bobbin case, turn the handwheel backwards and forwards by hand and remove the thread and lint.

1.Lint or oil have collected on the hook or needle bar. 1.Clean the hook and feed dog as described.

2.Poor quality oil has been used.

3.The needle is damaged.

2.Only use good quality sewing machine oil.

3.Replace the needle.

4.Humming sound coming from internal motor.

5.Thread is caught in the hook.

6.The feed dogs are packed with lint.

1.Poor quality thread.

2.The bobbin case is threaded wrong.

4.Normal.

Remove the upper thread and bobbin case, turn the handwheel backwards and forwards by hand and remove the thread and lint.

1.Select a better quality thread.

2.Remove the bobbin case, the thread and reinsert correctly.

3.Fabric has been pulled.

1.The machine is not turned on.

2.The presser foot lever is raised.

3.The machine is not plugged in.

3.Do not pull on the fabric while sewing, let it be fed by the feed dogs.

1.Turn on the machine.

2.Lower the presser foot lever.

3.Connect the power line plug to the electric outlet.

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