Mitsubishi Q12PRHCPU - 8.1.9 When ETX.CABLE ERR. Occurs

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8.1 Troubleshooting Flow
8.1.9 When "ETX.CABLE ERR." Occurs
8
TROUBLESHOOTING
8.1.9 When "ETX.CABLE ERR." Occurs
The following shows the flowchart for when "EXT.CABLE ERR." occurs during operation of
the redundant system.
* 1 : As for IN1 connector and IN2 connector of the redundant type extension base unit, connect one to
the control system and connect the other to the standby system.
Diagram 8.10 Flowchart for when "EXT.CABLE ERR." occurs
YES
NO
YES
YES
NO
NO
Error message [EXT.CABLE ERR.]
was detected.
Are main base unit of control
system and Q65WRB connected
by extension cable?
Turn OFF power supply of control system.
Connect OUT connector of main base unit
of control system and IN1 (IN2) connector
by extension cable.*
Are main base unit of standby
system and Q65WRB connected
by extension cable?
Turn OFF power supply of standby system.
Connect OUT connector of main base unit
of control system and IN2 (IN1) connector
of Q65WRB by extension cable.
*1
Turn ON power supplies of control system
and standby system again.
Turn ON power supply of standby system.
Does [EXT.CABLE ERR.]
occur again?
Completed
Hardware failure of the following modules is
suspected.
1
CPU module
2
Main base unit or extension base unit
3
Extension cable
Consult your local Mitsubishi service
representative, explaining a detailed
description of the problem.