Code: C-1277
Classification: SD: SD-513/TU-503 abnormality
Cause:
After the slitter movement motor/Fr (M112) starts the home position search operation, the slitter home sensor/Fr (PS114) does not become active within a specified period of time.
Measures to take when alert occurs:
The main body and the option stop immediately.
Estimated abnormal parts:
- Slitter home sensor/Fr (PS114)
- Slitter movement motor/Fr (M112)
- Slitter drive board (TUDB)
- SD control board (PCB1)
Press help key and activate and deactivate the sub power switch (SW2) of the main body.
Note:
- Faulty part isolation allows you to use the machine temporarily.
- When you press HELP key, the message "Please call service" and "Press [Help] to disengage" are alternately displayed.
- When you press HELP key, the message "Please turn on power again" is displayed.
Solution:
- Check the slitter position shift drive section, and if there is any abnormality, clean or repair it.
- Check the connector connection and the wiring harness between TUDB and the motor, PCB1 and the sensor. Then, repair them when there is any abnormality. (Wiring diagram: TU-503: 7-G) (Wiring diagram: TU-503: 2-D).
- Check the connector connection and the wiring harness between TUDB and PCB1, and if there is any abnormality, repair it.
- Check the I/O drive of the motor and the coupling of the gear, and repair or replace it if there is any abnormality.
- Check I/O and the operation of the sensor, and if there is any abnormality, repair or replace it.
- Replace PS114.
- Replace M112.
- Replace TUDB.
- Replace PCB1.