152
Condition Cause Reference
Keys on the visual
touch screen and
touch panel keys do
not work.
1. The key position is out of alignment. Page 142
The sewing speed
does not increase
and buzzer sounds
when using the
A.S.R. foot holder.
1. The speed control slider is at the left side (low position). Move the speed
control slider to the
rightmost (maximum
sewing speed).
Visual touch screen
is not clear.
1. The screen brightness is not adjusted properly. Page 140
The needle thread
appears on the
wrong side of the
fabric when the stitch
width value is larger
than “ 7. 0 ”.
1. Thread tension is not balanced. Page 52
The USB ash drive
is not read.
1. Format setting of the USB ash drive is not correct.
2. The USB ash drive is malfunctioning.
Pages 153-154
Replace the USB
ash drive.
It is not abnormal for a faint humming sound to be heard from the internal motors.
Visual touch screen may become warm after several hours of continuous use.
Troubleshooting
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