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Troubleshooting 109
4
7
Correctly thread the machine.
• For details on threading the machine, refer to
“Upper Threading” (page 22).
Note
● The thread may have become tangled as a
result of incorrect upper threading. Make
sure that the machine is correctly threaded.
8
Perform trial sewing with normal fabric.
Note
● Incorrect sewing may be the result of
incorrect upper threading or sewing thin
fabrics. If there are poor results from the trial
sewing, check the upper threading or the
type of fabric being used.
When the thread became
tangled under the bobbin
winder seat
If the bobbin winding starts when the thread is not
passed under the pretension disk of the bobbin-
winding thread guide correctly, the thread may
become tangled under the bobbin winder seat.
In such a case, wind off the thread according to the
following procedure.
1 Thread
2 Bobbin winder seat
1
If the thread become tangled under the
bobbin winder seat, press (“Start/Stop”
button) once to stop the bobbin winding.
When the foot controller is plugged in, remove
your foot from the foot controller.
1 Start/stop button
2
Cut the thread with scissors beside the
bobbin-winding thread guide.
1 Bobbin-winding thread guide
1
2
● Do not remove the bobbin winder seat
even if the thread become tangled under
the bobbin winder seat. It may result in
injuries.
● Do not remove the screw of the bobbin
winder presser, otherwise the machine
may be damaged; you cannot wind off
the thread by removing the screw.
1 Screw of the bobbin winder presser
CAUTION
1
1
1
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