Code: C-1457
Classification: MK: FNS operation prohibition abnormality
Cause:
Software bug inside MK-737.
Measures to take when alert occurs:
The main body and the option stop immediately.
Estimated abnormal parts:
- MK relay board (RB)
Note:
- The message "Please call service" is displayed on the panel.
Solution:
- Check the connector connection and the wiring on MKRB, and repair it when there is any abnormality. (Wiring diagram: MK-737: 5-D)
- Replace MKRB.