Husqvarna HUSKYSTAN C20 - Manual (Page 65)

65
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 Cause Correction
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.