103
Trimmer return
failure
Short upper
thread after
trimming due to
separation failure
①
Poor connection of sensor
②
Bad circuit board
③
Bad sensor or sensor
position.
Dirty area around the
sensor.
①
Movable blade is too fast
or too slow to separate the
upper thread
②
Movable blade and rotary
hook are too close or too
far
③
Incorrect position of picker
④
Picker failure
■
Check connection
■
Change circuit board
■
Change sensor
■
Clean around the sensor
■
Adjust location of the
sensor unit
■
Adjust initial position of
movable blade
■
Adjust the distance
■
Adjust picker position
■
Check and change fuse
■
Check/change solenoid and
solenoid connection
■
Check connection and
change joint board
■
See 13.1.4) (p.77)
■
See 13.1) (p.75)
■
See 13.3) (p.78)
■
Check fuse spec.
1) 3-phase:
:
250V 15A
2) 1-phase:
:
250V 30A
Inspection & Repair
Cause
Error Type
Reference
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 ...