Euro-Pro INTELLI SEW 9136C - Manual (Page 63)

61
04
Seam
puckering
Patterns are
distorted
1.The needle thread tension is too tight.
2.The needle thread is not threaded
correctly.
3.The needle is too heavy for the fabric
being sewn.
4.The stitch length is too long for the
fabric.
5.The presser foot pressure is not
correctly adjusted.
1.The correct presser foot is not used.
2.The needle thread tension is too tight.
1.Select the correct foot.
2.Loosen the thread tension .
1.Lossen the thread tension.
2.Rethread the machine.
3.Choose a needle to suit the thread
and fabric.
4.Make stitch dense.
5.Adjusting the presser foot pressure.
The sewing
machine
doesn't
operate
1.The machine is not turned on.
2.The presser foot lever is raised.
1.Turn on the machine.
2.Lower the presser foot lever.
The
machine
jams
Remove the upper thread and bobbin
case, turn the handwheel backwards and
forwards by hand and remove the thread
remands.
The
machine is
noisy
1.Fluff or oil have collected on the hook
2.Poor quality oil has been used.
3.The needle is damaged.
1.Clean the hook and feed dog as
described.
2.Only use good quality sewing machine
oil.
3.Replace the needle.
Uneven
stitches,
uneven feed
1.Poor quality thread.
2.The bobbin case is threaded wrong.
3.Fabric has been pulled.
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.
Problem Cause Correction Reference
5.Thread is caught in the hook.
4.Slight humming sound coming from
internal motor.
4.Normal.
6.The feed dogs are packed with lint.
Remove the upper thread and bobbin
case, turn the handwheel
backwards
and forwards by hand and remove the
thread remands.
1.Thread is caught in the hook.
2.The feed dogs are packed with lint.
3.Connect the power line plug to the
electric outlet.
3.The machine is not plugged in.
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TROUBLE SHOOTING GUIDE