12
TROUBLESHOOTING
12.3 Error Code List
12.3.8 Error code list (6000 to 6999)
12 - 207
9
EMC AND LOW
VOLTAGE
DIRECTIVES
10
LOADING AND
INSTALLATION
11
MAINTENANCE AND
INSPECTION
12
TROUBLESHOOTING APPENDICES INDEX
6210
The control system in a redundant
system is switched to the standby
system.
(This can be detected from the standby
system of the redundant system.)
Check the control system condition. Q4AR
The control system has been switched
to the standby system in a redundant
system. (Detected by the CPU that was
switched from the control system to the
standby system)
Since this error code does not indicate
the error information of the CPU module
but indicates its status, the error code
and error information are not stored into
SD0 to 26, but are stored into the error
log every system switching.
(Check the error information by reading
the error log using GX Developer.)
–QnPRH
6220
• Since the standby system is in an
error or similar status in the
redundant system, the control system
cannot be switched to the standby
system.
• When an attempt was made to
execute system switching, the control
system could not be switched to the
standby system due to a network
error of the control system.
(This can be detected from the control
system of the redundant system.)
Check the standby system condition. Q4AR
System switching cannot be executed
due to standby system error/ tracking
cable error/ online module change in
execution at separate mode. Causes for
switching system at control system are
as follows:
• System switching by SP. CONTSW
instruction
• System switching request from
network module
• Check the status of the standby
system and resolve the error.
• Complete the online module change.
QnPRH
Error
Code
(SD0)
Error Contents and Cause Corrective Action
Corresponding
CPU
*1 The module whose first 5 digits of serial No. is 09012 or later.
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