Mitsubishi QJ71LP21 Reference Manual page 345

8 TROUBLESHOOTING
Error
Code Error Contents and Cause
*1
(SD0)
The function inexecutable in the debug
6050 mode or operation mode (backup/
separate mode) was executed.
6060
In a redundant system, the operation
mode (backup/separate) differs
between the control system and
standby system.
6061
Both System A and B are in the same
6062
system status (control system).
A CPU module tracking memory error
was detected during initial.
6100
• An error (e.g. retry limit exceeded)
occurred in tracking data
transmission.
(This error may be caused by
tracking cable removal or other
system power-off (including reset).)
• The error occurred at a startup since
the redundant system startup
procedure was not followed.
*1 : Characters in parentheses ( ) indicate the special register numbers where individual information is being
stored.
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Corrective Action
Execute the function executable in the
debug mode or operation mode
(backup/separate mode).
Match the operation modes of the
control system and standby system.
Power the CPU module (System B)
which resulted in a stop error, OFF and
then ON.
Hardware fault of the CPU module.
(Please contact your local nearest
Mitsubishi or sales representative,
explaining a detailed description of the
problem. Change the CPU modules in
order of the standby system CPU
module and control system CPU
module.)
• Check the CPU module or tracking
cable. If the error still occurs, this
indicates the CPU module or
tracking cable 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.
MELSEC-Q
Corresponding
CPU
QnPRH
QnPRH
Q4AR
QnPRH
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