Code: C-1133
Classification: ZU: ZU-608 abnormality
Cause:
The punch shift home sensor (PS605) does not turn ON even after a specified period of time after the punch shift motor (M605) starts the home position search operation.
Measures to take when alert occurs:
The main body and the option stop immediately.
Estimated abnormal parts:
- ZU control board (ZUCB)
- Punch shift motor (M605)
- Punch shift home sensor (PS605)
Correction:
Turn OFF/ON the sub power switch of the main body.
Note: The message "Please call service" is displayed on the panel.
Solution:
- Check the connector connection and the wiring between ZUCB and motor/sensor, and repair it if any abnormality.
- Check the I/O drive of the motor and the coupling of the gear, and repair/replace it if any abnormality. (Wiring diagram: ZU-608: 1-B)
- Check I/O and the operation of the sensor, and repair/replace it if any abnormality. (Wiring diagram: ZU-608: 4-B).
- Replace PS605.
- Replace M605.
- Replace ZUCB.