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TROUBLESHOOTING
A-28
High-pitched sound
while sewing
Dust or lint is caught in the feed dogs. Remove the dust or lint. A-15
Pieces of thread are caught in the race. Clean the race. A-15
Upper threading is incorrect. Check the steps for threading the machine
and rethread the machine.
B-42
There are scratches on the bobbin case. Replace the bobbin case, or consult your
authorized dealer.
A-15
A bobbin designed specifically for this machine
is not used.
Incorrect bobbins will not work properly. Only
use a bobbin designed specifically for this
machine.
B-39
Character pattern
does not turn out
Wrong presser foot was used. Attach the correct presser foot.
S-67
Pattern adjustment settings were set
incorrectly.
Revise the pattern adjustment settings. S-82
Did not use a stabilizer material on thin fabrics
or stretch fabrics.
Attach a stabilizer material. S-81
Thread tension is set incorrectly. Adjust the thread tension. S-12
Fabric was pulled, pushed or fed at an angle
while it was being sewn.
Sew while guiding the fabric with your hands
so that the fabric is fed in a straight line.
S-3
Machine does not
operate
There is no pattern selected. Select a pattern. S-21, S-77
“Start/Stop” button was not pushed. Press the “Start/Stop” button. B-13
Main power switch is not turned on. Turn the main power to ON. B-19
Presser foot is not lowered. Lower the presser foot. B-13
“Start/Stop” button was pushed with the foot
controller attached.
Remove the foot controller, or use the foot
controller to operate the machine.
S-4
The “Start/Stop” button was pressed while the
machine is set for the sewing speed controller
to control the zigzag stitch width.
Use the foot controller instead of the
“Start/Stop” button to operate the machine,
or set the “Width Control” to “OFF” in the
settings screen.
B-25, S-4
All keys and buttons have been locked by
.
Press to unlock all keys and
buttons.
B-49, B-51
Nothing happens,
even if the LCD
display is pressed
The screen has been locked. Press either of the following keys to unlock
the screen.
—
The fabric feeds in the
opposite direction.
The feed mechanism is damaged. Contact your dealer or the nearest authorized
service center.
—
The LCD screen is
fogged up.
Condensation has formed on the LCD screen. After a while, the cloudiness will disappear. —
Specifying with
sensor pen cannot be
done accurately
The sensor pen has not been calibrated. Before using the sensor pen for the first time,
be sure to calibrate it.
B-62
The pen is being held differently than when it
was calibrated.
When using the sensor pen, be sure to hold it
at the same angle as when it was calibrated.
The specification location may be misaligned
if the pen is held at a slightly different angle.
In this case, make fine adjustments after
making the selection.
B-62
CAUTION
• This machine is equipped with a thread detection device. If the “Start/Stop” button is pushed before the
upper threading is done, the machine will not operate properly. Also, depending on the pattern selected,
the machine may feed the fabric even if the needle is raised. This is due to the needle bar release
mechanism. At these times, the machine will make a sound different from what is made during normal
sewing. This is not the sign of a malfunction.
• If the power is disconnected during sewing:
Turn the main power to OFF and unplug the machine.
If you restart the machine, follow the instructions for operating the machine correctly.
Problem Cause Solution Page