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TROUBLESHOOTING
353
Appendix
9
Loops appear on the
surface of the fabric
when embroidering
The thread tension is incorrectly set. Adjust the thread tension. 233 - 235
The tension of the upper thread is incorrectly set
for the combination of the fabric, thread and
pattern being used.
Use the embroidery needle plate cover. 219
The combination of the bobbin case and bobbin
thread is incorrect.
Change the bobbin case or bobbin thread so
that the correct combination is used.
218
Machine does not
operate
There is no pattern selected. Select a pattern. 91, 156, 190, 265
“Start/Stop” button was not pushed. Press the “Start/Stop” button. 15
Main power switch is not turned on. Turn the main power to ON. 26
Presser foot is not lowered. Lower the presser foot. 15
“Start/Stop” button was pushed with the foot
controller attached.
Remove the foot controller, or use the foot
controller to operate the machine.
73
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 Sewing
settings.
35, 73
All keys and buttons have been locked by
.
Press to unlock all keys and
buttons.
65, 67
Embroidery unit does
not operate
There is no pattern selected. Select a pattern. 190, 265
Main power switch is not turned on. Turn the main power to ON. 26
Embroidery unit is not attached correctly. Reattach the embroidery unit correctly. 188
Embroidery frame was attached before the unit
was initialized.
Perform the initialization process correctly. 188
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. —
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