Mitsubishi 00JCPU

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6.21 LED Display
Operating status of the CPU module can be checked by the LEDs on the front of the CPU module.
For details of LED indications, refer to the following.
QCPU User's Manual (Hardware Design, Maintenance and Inspection)
Figure 6.83 LEDs on the front of the CPU module
1): Basic model QCPU (Q00JCPU)
2): Basic model QCPU (Q00CPU, Q01CPU)
3): High Performance model QCPU and Process CPU
4): Redundant CPU
BACKUP
CONTROL
SYSTEM A
SYSTEM B
MODE
RUN
ERR.
USER
BAT.
BOOT
MODE
RUN
ERR.
USER
BAT.
BOOT
RUN
ERR
RUN
ERR
POWER
1) 2) 3) 4)