Husqvarna C10 User Manual

65

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

Upper 

thread 

breaks

1.The machine is not threaded correctly.

1.Rethread the machine.

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 (fl 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.

Lower 

thread 

breaks

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.

3.The lower thread tension is too tight

3.Loosen lower thread tension.

Skipped 

stitches

1.The needle is not inserted correctly.

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

2.The needle is damaged.

2.Insert a new needle.

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.

5.Rethread the machine.

6.The presser foot pressure is not correct.

6.Increase the presser foot pressure.

Needle 

breaks

1.The needle is damaged.

1.Insert a new needle.

2.The needle is not correctly inserted.

2.Insert the needle correctly (fl at 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 fi rmly 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.

Loose 

stitches

1.The machine is not correctly threaded.

1.Check the threading.

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.

Seam 

gather or 

pucker

1.The needle is too thick for the fabric.

1.Select a fi ner needle. 

2.The stitch length is adjusted wrong.

2.Shorten the stitch length.

3.The thread tension is too tight.

3.Loosen the thread tension.