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Troubleshooting
If the machine stops operating correctly, check for the following possible causes before requesting service.
If the problem persists, contact your retailer or the nearest authorized service center.
Symptom
Probable Cause
Remedy
Reference
The sewing
machine does
not operate.
The plug of the power cord is not
inserted into an electrical outlet.
Insert the plug of the power cord into
a household electrical outlet.
page 12
The machine is not turned on.
Turn on the machine.
page 12
The bobbin winder shaft is moved to
the right.
Slide the bobbin winder shaft to the
left.
page 15
The presser foot lever is raised.
Lower the presser foot lever.
page 40
A stitch other than the buttonhole or
bar tack stitch was selected and the
start/stop button was pressed while
the buttonhole lever is lowered.
Raise the buttonhole lever.
–
The buttonhole or bar tack stitch was
selected and the start/stop button was
pressed while the buttonhole lever is
raised.
Pull down the buttonhole lever.
page 57
The start/stop button was pressed,
even though the foot controller is
connected.
Do not use the start/stop button when
the foot controller is connected. To
use the start/stop button, disconnect
the foot controller.
page 40
The needle
breaks.
The needle is incorrectly installed.
Correctly install the needle.
page 27
The needle clamp screw is loose.
Use the screwdriver to firmly tighten
the screw.
page 28
The needle is bent or blunt.
Replace the needle with a new one.
page 27
The combination of fabric, thread and
needle is incorrect.
Select a thread and needle that are
appropriate for the type of fabric
being sewn.
page 26
The appropriate presser foot for the
type of stitch that you wish to sew is
not used.
Attach the presser foot that is
appropriate for the type of stitch that
you wish to sew.
page 85
The upper thread tension is too tight.
Loosen the upper thread tension.
page 45
The fabric is pulled too much.
Lightly guide the fabric.
–
The area around the hole in the
needle plate is scratched.
Replace the needle plate.
Contact your retailer or the nearest
authorized service center.
–
The area around the hole in the
presser foot is scratched.
Replace the presser foot.
Contact your retailer or the nearest
authorized service center.
–
The bobbin case is scratched.
Replace the bobbin case.
Contact your retailer or the nearest
authorized service center.
–
A bobbin designed specifically for
this machine is not used.
Bobbins from older models, which
have a different thickness, will not
work properly. Only use a bobbin
designed specifically for this
machine.
page 13