176
Nothing happens,
even if the LCD
display is pressed.
The screen has been locked.
Touch
to unlock the
screen.
p. 54
The LCD screen is
fogged up.
Condensation has formed on the LCD
screen.
After a while, the cloudiness will
disappear.
LED pointer does not
indicate the position
correctly.
With thick or elastic fabric, the position
will be misaligned only at raised parts
in the fabric.
Manually adjust the position according
to the thickness of the fabric.
p. 83
With fabric having a very uneven
surface, the position is not correctly
aligned.
The pointer indication should be used
only as a reference.
CAUTION
• This machine is equipped with a thread detecting mechanism. If the machine is not threaded with the
upper thread, the machine will not operate correctly, even if the “Start/Stop” button is pressed after
unlocking the machine.
• If the machine suddenly stops:
• Turn off the machine, and unplug the power cord.
• Restart the machine with the correct operating procedure. Refer to page 28.
Symptom
Probable Cause
Remedy
Reference Page
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