Test Mode For Sewing Machine - Singer Futura CE-150 Service Manual

Test mode for sewing machine

- Apply to model CE-200E, CE-250/350
Operation
① ② ③ ④ ⑤ ⑥
Enter Test program.
Test mode 1: Needle position at center without feed
Is used for checking the movement of the zig-zag step motor and centre position of the needle in straight
stitching. The zig-zag stepmotor calibrates and takes its Centre position.
Test mode 2: Needle position at Left/Centre/Right without feed.
After entering the test mode 2 all the diffrent sensors of the machine is de-activated (Machine will run wit-
hout thread).
Test Mode 3: Balance check
Machine will feed 2 mm, at center position, stitch 11 needles forward and backward.
Needle must always stop at the staring stitch
Mode 4: Balance check
feed 2 mm, at two needle positions, stitch 31 needles forward and backward.
Needle must always stop at the staring stitch
Test mode 5: Upper thread brake sensor
After entering mode 5 the upper rotary Thread break sensor is activated after 8 stitches and machine will
stop
Mode 6: Check spring sensor
Machines should stops at 3 times by check-spring sensor activated while machines starts without thread.
Singer Furtura III series 31