– 156 –
Display and
description of
error
Cause
Error handling procedure
E076
Bobbin-thread
winding is not
carried out
normally.
①
Obstacles such as dust, etc. gather
on the moving section.
○ Carry out maintenance referring to
.
②
Thread of the bobbin thread cone
has run out during winding of a
bobbin.
○ Put the bobbin thread cone in place.
③
Thread has broken during winding
of a bobbin.
○ Referring to
"I-4-4. How to thread the device with the
bobbin thread (RSZ type)" p.19
thread the device with the bobbin thread (RSW type)"
check the thread tension.
④
Thread wound on the bobbin
overflows from the bobbin flange.
○ Check the setting of bobbin-thread winding length.
○
Check whether or not the thread used in the previous
sewing still remains on the bobbin.
⑤
Bobbin fails to rotate.
○ Referring to
"I-4-4-2. Installing the bobbin" p.19
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.
⑥
Thread slips out of the roller of
bobbin thread feeding unit.
○ If the thread tension is not sufficient, thread may slip off
the roller. Check the thread tension.
⑦
Bobbin thread feeding unit fails to
operate.
○ Check whether or not the connector, air tube, etc.
coming from the bobbin thread feeding unit are correctly
connected.
⑧
Thread has tangled on the thread
stand, etc. since the thread has
vibrated excessively halfway
through threading route.
○ Check the threading route referring to
thread the device with the bobbin thread (RSZ type)"
"I-4-5. How to thread the device with the
bobbin thread (RSW type)" p.20
. In particular, the
roller and actuating arm, etc. of the bobbin thread feeding
unit are threaded correctly.