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12-76
6310
[CONTROL SYS. DOWN]
Any of the following errors was detected in the
backup mode.
• The control system has not started up in the
redundant system.
• The control system has developed a stop error in
the redundant system.
• The CPU module in the debug mode was
connected to the operating standby system.
• The error occurred at a startup since the
redundant system startup procedure was not
followed.
(This can be detected from the standby system of
the redundant system.)
■Collateral information
• Common Information:–
• Individual Information:–
■Diagnostic Timing
• Always
• The standby system exists but the control system
does not exist.
• Check whether the system other than the
standby system is on or not, and if it is not on,
power it on.
• Check whether the system other than the
standby system has been reset or not, and if it is
has been reset, unreset it.
• Check whether the system other than the
standby system has developed a stop error or
not, and if has developed the error, remove the
error factor, set the control system and standby
system to the same operating status, and restart.
• When the CPU module in the debug mode was
connected to the control system operating in the
backup mode, make connection so that the
control system and control system are combined
correctly.
• Confirm the redundant system startup procedure,
and execute a startup again.
RUN:
Off
ERR.:
Flicker
CPU Status:
Stop
QnPRH
6311 [CONTROL SYS. DOWN]
• As consistency check data has not transmitted
from the control system in a redundant system,
the other system cannot start as a standby
system.
• The error occurred at a startup since the
redundant system startup procedure was not
followed.
(This can be detected from the standby system of
the redundant system.)
■Collateral information
• Common Information:–
• Individual Information:–
■Diagnostic Timing
• At power ON/At reset
• Replace the tracking cable. If the same error still
occurs, this indicates the CPU module is faulty.
(Contact your local Mitsubishi representative,
explaining a detailed description of the problem.)
• Confirm the redundant system startup procedure,
and execute a startup again.
RUN:
Off
ERR.:
Flicker
CPU Status:
Stop
6312
6313
[CONTROL SYS. DOWN]
The control system detected the error of the system
configuration and informed it to the standby system
(host system) in the redundant system.
■Collateral information
• Common Information:–
• Individual Information:–
■Diagnostic Timing
• At power ON/At reset
Restart the system after checking that the
connection between base unit and the system
configuration (type/number/parameter of module)
are correct.
RUN:
Off
ERR.:
Flicker
CPU Status:
Stop
QnPRH
*1
6400
[PRG. MEM. CLEAR]
The memory copy from control system to standby
system was executed, and the program memory
was cleared.
■Collateral information
• Common Information:–
• Individual Information:–
■Diagnostic Timing
• At execution of the memory copy from control
system to standby system
After the memory copy from control system to
standby system is completed, switch power OFF
and then ON, or make a reset.
RUN:
Off
ERR.:
Flicker
CPU Status:
Stop
QnPRH
Error
Code
(SD0)
Error Contents and Cause Corrective Action
LED Status
CPU Status
Corresponding
CPU