Code: C-1248
Classification: SD: SD-506 abnormality
Cause:
The overlap home sensor (PS17) does not become active within a specified period of time after the overlap motor (M13) starts the home position search operation. Alternatively, even after a specified period of time after M13 starts the operation, it does not stop.
Measures to take when alert occurs:
The main body and the option stop immediately.
Estimated abnormal parts:
- Overlap motor (M13)
- Overlap home sensor (PS17)
- SD control board (SDCB)
- SD drive board (SDDB)
Press the help key to activate and deactivate the sub power switch (SW2) of the main body.
Note:
- When you isolate the faulty part, the limited use is available.
- The message "Please call service" and "Press [Help] to disengage" are displayed alternately on the touch panel
- When you press the help key, the message "Please turn on the power again" is displayed on the touch panel.
Solution:
- Check the overlap section, and clean or repair it when there is any abnormality.
- Check the connector connection and the wiring between SDDB and the motor and the sensor, and repair it when there is any abnormality.
- Check the connector connection and the wiring between SDDB and SDCB, and repair it when there is any abnormality.
- Check the I/O drive of the motor and the coupling of the gear, and repair or replace it when there is any abnormality. (Wiring diagram: SD-506: 2-D)
- Check I/O and the operation of the sensor, and repair or replace it when there is any abnormality. (Wiring diagram: SD-506: 2-D)
- Replace PS17.
- Replace M13.
- Replace SDDB.
- Replace SDCB.