Mitsubishi QJ71LP21 Reference Manual page 359

8 TROUBLESHOOTING
Error
Code Error Contents and Cause
*1
(SD0)
• As consistency check data has not
6311
transmitted from the control system
in a redundant system, the other
system cannot start as a standby
6312
system.
The memory copy from control system
6400 to standby system was executed, and
the program memory was cleared.
The memory copy from control system
6410
to standby system was executed.
The file register file specified in the
6500 tracking setting of the PLC parameter
dialog box does not exist.
The file register range specified in the
device detail setting of the tracking
6501 setting of the PLC parameter dialog
box exceeded the specified file
register file capacity.
• In the operating mode of a multiple
CPU system, a CPU error occurred
at the CPU where "All station stop
by stop error of CPU " was selected.
• In a multiple CPU system, a CPU
module incompatible with the
7000
multiple CPU system was mounted.
In a multiple CPU system, by a stop
error of CPU No. 1 during power-on,
the other CPUs cannot start. (This
error occurred at CPU No. 2 to 4)
*1 : Characters in parentheses ( ) indicate the special register numbers where individual information is being
stored.
*12 : This applies to the CPU module of function version B or later.
8 - 148
Corrective Action
• 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
After the memory copy from control
system to standby system is
completed, switch power OFF and
then ON, or make a reset.
----
Read the individual information of the
error using GX Developer, and check
and correct the drive name and file
name. Create the specified file.
Read the individual information of the
error using GX Developer, and
increase the file register capacity.
• Read the individual information of
the error using the GX Developer,
check the error of the PLC resulting
in CPU module fault, and remove
the error.
• Remove the CPU module
incompatible with the multiple CPU
system from the main base unit.
Read the individual information of the
error using the GX Developer, check
the error of the CPU module resulting
in CPU module fault, and remove the
error.
MELSEC-Q
Corresponding
CPU
QnPRH
QnPRH
QnPRH
*12
Q00/Q01
*12
Qn(H)
QnPH
8 - 148