Page 10/41
Original issue
Oct.2012
Service Manual
One Plus
Model
2. Test mode -- continued --
Release bobbin winder by the time when LED is lit at extreme right line.
After entering test mode, the machine beeps and LED turns off.
Test mode
*Test mode 1 (Button ①)
Maximum zigzag width at 7 mm
No feed
*Test mode 2 (Button ②)
2.4 mm feed
Needle in the center position
*Test mode 3 (Button ③)
For aging (shaking down)
Zigzag width at 7 mm
2.4 mm feed forward and backward
Note: use foot controller for running
machine.