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Probmem Correction Reference
1 .Lossen the thread tension. Page 18
2.Rethread the machine. Page t 5
Seam 3.Choose a needle to suit the thread and Page t 0
puckering fabric.
4Make stitch dense. Page 24
5.Adjusting the presser foot pressure. Page 9
t .Select the correct foot. Page 71
2.Loosen the thread tension. Page t 8
Patterns are
distorted 3Make stitch adjust. Page 24
4.Adjusting pattern balance. Page 39
Page 67
The
machine
jams
Cause
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.
3.The stitch length is not suitable for the
fabric being sewn.
4.Feed balancing dial is not set properly.
1 .Thread is caught in the hook.
2.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.
3.The needle is damaged.
4.Slight humming sound coming from
internal motor.
5.Thread is caught in the hook.
6.The feed dogs are packed with lint.
1.Fluff or oil have collected on the hook 1.Clean the hook and feed dog as Page 67
or needle bar. described.
2.Poor quality oil has been used. 2.Only use good quality sewing machine Page 10
oil
The 3.Replace the needle. Page 10
machine is
noisy 4.Normal --
Page 67
Remove the upper thread and bobbin
case, turn the handwheel backwards
and forwards by hand and remove the
thread remands.
1 .Poor quality thread. 1 .Select a better quality thread. Page 10
Uneven 2.The bobbin case is threaded wrong. 2.Remove the bobbin case, the thread Page 14
stitches, and reinsert correctly.
uneven feed 3.Fabric has been pulled. 3.Do not pull on the fabric while sewing, --
let it be taken up by the machine.
1 .The machine is not turned on. 1 .Turn on the machine. Page 7
2.The Start/stop button was not pressed. 2.Press the Start/stop button. Page 21
3.The presser foot lever is raised. 3.Lower the presser foot lever. Page 20
4.The Start/stop button was pressed, 4.Do not use Start/stop button when the Page 21
The sewing even through the foot controller is foot controller is con-nected. To use
machine connected. Start/stop button, disconnect the foot
doesn't controller.
operate
5.A thread is caught in the hook race. 5.Remove the upper thread and bobbin Page 67
case, turn the handwheel backwards
and forwards by hand and remove the
thread remands.
6.The machine is not plugged in. 6.Connect the power line plug to the Page 7
electric outlet.
70
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