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Stitch forming is loose.
Work holder does not
fall.
Sewing pattern is
changed.
Returned home
position is changed.
Operation panel that is
displayed when
"M-042".
Operation panel that is
displayed when
"E-060".
Operation panel that is
displayed when
"E-025".
Bobbin thread tension is too
loose.
Strength of thread take up
spring is inadequate.
Presser foot position is not
proper.
Presser foot up and down
timing is not proper.
Foot switch is broken.
Work holder presser is not
strong enough
Work holder switch is out of
order
Sewing material is not
pressed properly.
Sewing material in work
clamp slips.
Sewing material is too heavy.
X-Y timing belt tension is
loose.
Ambient temperature is out of
use range.
Clearance between detector
and detecting subject is too
wide.
Thread trimming sensor is
not detected
Movable knife is not back
Presser foot sensor is not
detected
Presser foot is not raise
Air pressure is weak
Set value of air pressure is
too low
Detection threshold of air
pressure is too high
- 32 -
Adjust bobbin thread tension.
Adjust strength of thread take
up spring.
Adjust presser foot position
properly.
Adjust presser foot up and
down properly.
Change foot switch.
Increase work holder presser
Change it new work holder
switch
Adjust work holder pressure.
Put slip stopper on presser
plate.
Slow down sewing speed.
Adjust X-Y belt tension
properly.
Use sewing machine in
ambient temperature in 5
degrees to 35 degrees.
Adjust clearance in 1 to
1.5mm.
Adjust the position of the
sensor thread trimming
Verify the operation of the
thread trimming
Adjust the position of the
sensor presser foot.
Make sure there is nothing
wrong with the mechanism
presser foot.
Check that the air is supplied
Check the setting of regulator
Check the setting of pressure
switch
6-4
7-1
7-8
7-8
-
7-5
-
7-5
-
6-1
8-6
-
8-2
8-5
8-5
7-8
7-8
-
3-2
3-2
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