104
Thread break
before trimming
Short upper
thread after
trimming
①
Upper thread is too short
■
check main and sub
tension adjuster
■
dent or damage to
movable blade
②
Lower thread is too short
■
doesn’t unwind smoothly
■
too weak or too elastic
①
Upper thread is trimmed too
short and comes
unthreaded
②
Upper thread is trimmed too
long and thread tail remains
on the embroidery
■
Adjust upper thread tension
■
Remove dent using
whetstone or sandpaper or
change movable blade
■
Adjust or change bobbin
case spring
■
Clean/check for dent in
thread guide on the bobbin
case
■
Change lower thread
■
Check upper thread tension
■
Set [LONG] or [MEDIUM]
length of trimmed thread in
SET-UP III
■
Set [MEDIUM] or [SHORT]
length of trimmed thread in
SET-UP III
■
If upper thread is held due to
narrow velcro space in
upper thread holder, clean
the velcro
■
Too short lower
thread cannot make
stitches right after
trimming
■
The default is
MEDIUM.
Inspection & Repair
Cause
Error Type
Reference
Check
for dent
Содержание SWF/TA-WJ614-100
Страница 51: ...52 6 Frill bobbin embroidery User direction 7 Standing bobbin embroidery User direction ...
Страница 60: ...61 11 1 2 Outside the Control Box Terminal for tape reader and winder Fuse for picker solenoid power ...
Страница 63: ...64 11 4 TRIMMING MOTOR DRIVE DC power Signal cable Motor control cable AC power ...