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2.4.6 CP-6
（
Test Presser Origin Sensor
）
Display the step motion operation of presser motor, operation of origin search and status of
presser origin sensor.
1
．
Preparation
Firstly, user can press
to have access to CP-6. Then user can press
to search
the origin of thread-catching; at this time, the sewing LED is on.
2
．
Operations
If the user presses
for 6 ~ 8 times, and then the display on screen changes to “01”
from “00”, it means the presser sensor is normal. If not, please adjust the position of the presser
sensor.
After user presses
, the relating parts on the machine will do the 5-step cyclic action in
the sequence shown in above figure. Press
to quit that mode.
2.4.7 CP-7
（
Test Thread-catching Motor/ Origin Sensor
）
Display the step operation of thread-catching motor, the statuses of thread-catching motor
origin sensor and thread-catching sensor and operation of origin search.