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3-2. Troubles with the AW device and corrective measures
Display and
description of
error
① The power plug is not inserted or
Power cannot be
turned ON.
contact failure.
② Fuse has blown.
① Obstacles such as dust, etc. gather
E074
Removal of
on the moving section.
thread remaining
② Thread is entangled with
on the bobbin is
unwinding elimination roller.
not carried out
③ Remaining-thread sucking vacuum
normally.
force is insufficient.
④ Thread end is not properly guided.
⑤ Type or count of thread is different
from the specification.
① Obstacles such as dust, etc. gather
E075
Thread has failed
on the moving section.
to twine properly
② Length of thread coming out of the
on the bobbin.
nozzle is not appropriate.
③ Thread unraveling is not
performed appropriately.
④ No thread on bobbin thread cone. ○ Put the bobbin thread cone in place.
⑤ Thread tension is high at thread
route.
⑥ Thread route is not correct.
⑦ Mounting position and direction of
the nozzle are not appropriate.
⑧ Bobbin fails to rotate.
⑨ Bobbin thread feeding unit fails to
operate.
⑩ Bobbin tape has worn out.
Cause
○ Check how the power is supplied.
○ Replace the fuse according
○ Carry out maintenance referring to
○ Remove the thread.
○ Check whether or not the dust bag is full of dust.
○ Check whether or not the air pressure has dropped.
○ Carry out maintenance referring to
○ Adjust the length of thread coming out of the nozzle to
○ Check the thread unraveling condition setting.
○ Check the length of thread coming out of the nozzle.
○ Referring to
○ Check the threading route referring to
○ Referring to
○ Check whether or not the connector, air tube, etc.
○ Change the bobbin with a new one.
– 155 –
Error handling procedure
fuse" p.150
. If the device cannot be powered even after
the replacement of the fuse, the device may have failed. In
such a case, stop using the device.
p.148.
p.148.
approximately 13 cm.
"I-4-4. How to thread the device with the
bobbin thread (RSZ type)"
thread the device with the bobbin thread (RSW type)"
p.20
check the thread tension.
thread the device with the bobbin thread (RSZ type)"
p.19,
"I-4-5. How to thread the device with the
bobbin thread (RSW type)"
roller and actuating arm, etc. of the bobbin thread feeding
unit are threaded correctly.
"I-4-4-2. Installing the bobbin"
4-5-2. How to fit a bobbin in the bobbin case" p.21
check whether or not the bobbin is fitted in the bobbin
case correctly.
coming from the bobbin thread feeding unit are correctly
connected.
to"III-2-2. Replacing the
"III-2-1. Cleaning"
"III-2-1. Cleaning"
p.19,
"I-4-5. How to
"I-4-4. How to
p.20. In particular, the
p.19,
"I-
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