Trouble Shooting Guide - Euro-Pro 9105 Instruction Manual

TROUBLE SHOOTING 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
Upper 1.The machine is not threaded correctly
thread 2.The thread tension is too tight
breaks 3.The thread is too thick for the needle
4.The needle is not inserted correctly
5.The thread is wound around the spool
holder pin
6.The needle is damaged
Lower 1.The bobbin case is not inserted
thread correctly
breaks 2.The bobbin case is threaded wrong
3.The lower thread tension is too tight
1.The needle is not inserted correctly
Skipped
stitches 2.The needle is damaged
3.The wrong size needle has been used
4.The foot is not attached correctly
Needle 1.The needle is damaged
breaks 2.The needle is not correctly inserted
3.Wrong needle size for the fabric
4.The wrong foot is attached
Loose 1.The machine is not correctly threaded
stitches 2.The bobbin case is not correctly
threaded
3.Needle/fabric/thread combination is
wrong
4.Thread tension is wrong
Seam gather 1.The needle is too thick for the fabric
or pucker 2.The stitch length is adjusted wrong
3.The thread tension is too tight
Uneven 1.Poor quality thread
stitches, 2.The bobbin case is threaded wrong
uneven feed 3.Fabric has been pulled
The 1.Fluff or oil have collected on the hook
machine is or needle bar
noisy 2.Poor quality oil has been used
3.The needle is damaged
The Thread is caught in the hook
machine
jams
Correction
1.Rethread the machine
2.Reduce the thread tension (lower number)
3.Select a larger needle
4.Remove and reinsert the needle (flat side
towards the back)
5.Remove the reel and wind thread onto reel
6.Replace the needle
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 as described
1.Remove and reinsert needle(flat side
towards the back)
2.Insert a new needle
3.Choose a needle to suit the thread and
fabric
4.Check and attach correctly
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 foot
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 finer needle
2.Readjust the stitch length
3.Loosen the thread tension
1.Select a better quality thread
2.Remove the bobbin case, the thread and
reinsert correctly
3.Do not pull on the fabric while sewing, let it
be taken up by the machine
1.Clean the hook and feed dog as described
2.Only use good quality sewing machine oil
3.Replace the needle
Remove the upper thread and bobbin case,
turn the handwheel backwards and forwards
by hand and remove the thread remands.
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