Computerized Control System for Square Buttonhole Machine Appendix 1
129
Cable on control box)
；
4
、
Check the feeding motor and its cable
（
X13 Port
Cable on control box
）
, as well as its connection
5
、
Enter the Input Test Mode and check the feeding
origin sensor. When the sensor is covered, the
system should display “ON”, while the “OFF” at
being exposed.
E
-
027 Presser
origin
detect
error
1
、
Check installing position of mechanical devices,
especially the sensor. Generally speaking, the
distance between the sensor and the shielding
sheet should be kept at 3mm
；
2
、
Check the cable of the presser origin sensor, as
well as its connection;
3
、
Check the connection of cable L453 (X9 Port
Cable on control box)
；
4
、
Check the presser motor and its cable
（
X12 Port
Cable on control box
）
, as well as its connection.
5
、
Enter the Input Test Mode and check the presser
origin sensor. When the sensor is covered, the
system should display “ON”, while the “OFF” at
being exposed.
E
-
028 Needle
thread
trimming origin detect
error
1
、
Check installing position of mechanical devices,
especially the sensor. Make sure no blockage in
the installation. Generally speaking, the distance
between the sensor and the shielding sheet should
be kept at 3mm
；
2
、
Check the needle-thread-trimming origin sensor.
Enter the Input Test Mode; cover the sensor with
an iron sheet. The system should display ON at
this moment
；
3
、
Check the connection of cable L453 (X9 Port
Cable on control box)
；
4
、
Check the connection of cable L451
；
5
、
Check the motor and its connecting cables. If the
motor has problem, please replace the motor.
E
-
035 Needle
thread
trimming motor error
E
-
029 Bobbin
thread
trimming origin detect
error
1
、
Check installing position of mechanical devices,
especially the sensor. Make sure no blockage in
the installation. Generally speaking, the distance
between the sensor and the shielding sheet should
be kept at 3mm
；
2
、
Check the bobbin-thread-trimming origin sensor.
Enter the Input Test Mode; cover the sensor with
an iron sheet. The system should display ON at
being covered, while “OFF” at being exposed
3
、
Check the connection of cable L453 (X9 Port
E
-
036 Bobbin
thread
trimming motor error
