20X Bar-tacking and Button Sewing Machine(LCD N) Appendix 1
82
Needle Bar Up
Position Error
The needle bar is not at UP position.
The main shaft stop position error may be caused by main
shaft drive, or may be caused by human error. Turn the
hand wheel to return the needle bar to its UP position.
The cutter is not at the right position.
Turn off the power and check the Cutter Position Sensor.
Emergency Stop
Switch Not at
Normal Position
Before start, the emergency stop
switch is found pressed down
Manually solve the problem
Stepping Software
Version Error
The software version for the stepping
board is false.
Change the stepping board or update the stepping board
program.
Machine Stop Due
to Aging
After entering aging mode, the
machine stops.
X origin sensor doesn’t change.
Turn off power and check motor and Origin Sensor.
Y origin sensor doesn’t change.
Turn off power and check motor and Origin Sensor.
Presser Origin
Search Error
Presser origin sensor doesn’t change.
Turn off power and check motor and Origin Sensor.
Thread-catching
Origin Search Error
Thread-catching origin sensor doesn’t
change.
Turn off power and check motor and Origin Sensor.
Communication
Error between
Main-board and
Stepping Board
Communication between Main-board
and Stepping Board is down.
Turn off the power and repower the machine after a while.
Check the connections of the communication cable, main
board and drive board.
Over-current occurs to stepping drive
board.
Turn off the power and repower the machine after a while.
Main shaft driver
abnormal
The error is detected in main shaft
driver.
Turn off the power and repower the machine after a while.
Main Board IPM
Sudden
Over-current
The current for the main board IPM
drive module is too much within a
short period of time
Turn off the power and repower the machine after a while.
Change the main shaft motor to check if the motor is
damaged; if problem remains, change the main board.
Main Board IPM
Multiple
Over-current
Over-current happens repeatedly to
the main board IPM drive module
after power on
Turn off the power and repower the machine after a while.
Change the main shaft motor to check if the motor is
damaged; if problem remains, change the main board.
If there is no mechanic problem, check the connection of
the main shaft encoder