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Troubleshooting,
cont'd
Cause
Reference
1+ The machine
is not plugged
in+
Page 8
2. A thread
is caught
in the hook race+
Page 84
3o The bobbin
winder
spindle
is stilt in the winding
position+
Page 16
1. The stitch is not balanced.
Page 80
1. The stitch density
is not suitable
for the fabric
being
sewn.
Page 56
2, Interfacing
is not being used with stretch fabricso
Page 52
Condition
The machine
doesn't
work.
Patterns
are dis-
torted,
The automatic
buttonhole
stitches
are not
working,
Noisy operation
1
2.
3o
Machine
stalls and
1+
the message
2o
"STOP FOR SAFETY
3,
PURPOSES"
appears
on the
screen.
There is thread
caught
in the hook race
Lint has built up in the bobbin
holder or hook race+
Slight humming
sound
coming
from internal
motor.
Lint has built up in the hook race.
Needle or.bobbin
thread
is not correctly
threaded.,
The fabric is too thick.
Page 84
Page 84
Normal
Page 84
Pages
18, 20
Page 42
When Message
Appears
on the Screen
The liquid crystal display shows"
BOBBIN WINDING
".
(
After the bobbin
is wound,
return the bobbin
winder
to its original
position
by moving the spindle
to the
left.
The message"
STOP FOR SAFETY PURPOSES ...... "
scrolls
on the screen when the machine
is over-
loaded.
Stop operating the machine until this message
disappears (about 15 seconds),
BOBBIN WINDING
II STOP FOR SAFETY 1)
STOP FOR SAFETY PURPOSES......
J
87
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