When The Fault Led Of The Qj71Pb92V In The New Control System Is On - Mitsubishi Electric Melsec Q Series User Manual

9
TROUBLESHOOTING
9.4.2 When the FAULT LED of the QJ71PB92V in the new control system is
ON
The following shows how to recover the QJ71PB92V in the new control system when its
FAULT LED is ON.
While the redundant system is operating in Backup mode, check
that the QJ71PB92V is running in the following status.
• QJ71PB92V in new control system: Normally operating
• QJ71PB92V in new standby system: FAULT LED ON
Check the LEDS and the error code of the QJ71PB92V in the
new standby system and take corrective actions.
Section 9.5
(£
Request the QJ71PB92V restart?
(Maintenance of the QJ71PB92V in the new standby
system is not performed.)
Change the operation mode of the redundant CPU to Separate
*1
mode in GX Works2.
Set the new standby system CPU to RUN.
In Modify value of GX Works2, turn Restart request signal (Y0D)
OFF→ON→OFF to restart the QJ71PB92V in the new standby
system.
Did the FAULT LED of the QJ71PB92V
in the new standby system turn off?
No
Set the new standby system CPU to STOP.
Change the operation mode of the redundant CPU to Backup
*1
mode in GX Works2.
Figure 9.7 When the FAULT LED of the QJ71PB92V in the New Control System is ON

9.4.2 When the FAULT LED of the QJ71PB92V in the new control system is ON

Start
)
Yes
Yes
Completed
* 1 For how to change the operation mode of Redundant CPU, refer to the user's manual for the
redundant system for the CPU module used.
9.4 Troubleshooting in the Redundant System
Perform maintenance of the QJ71PB92V in the
No
new stand by system. (£
9
Section 9.4.3
)
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