Mitsubishi QJ71LP21 Reference Manual page 343

8 TROUBLESHOOTING
Error
Code Error Contents and Cause
*1
(SD0)
In a redundant system, the valid
parameter drive settings (SW2, SW3)
6001
made by the DIP switches are not the
same.
The operational status of the control
system and standby system in the
redundant system is not the same.
6010
The operational status of the control
system and standby system in the
redundant system is not the same.
At power ON/reset, the RUN/STOP
switch settings of the control system
6020
and standby system are not the same
in a redundant system.
• In a redundant system, the module
configuration differs between the
6030 control system and standby system.
• The network module mode setting
differs between the two systems.
In a redundant system, the CPU
module model name differs between
6035
the control system and standby
system.
A difference in the remote I/O
configuration of the MELSECNET/H
multiplexed remote I/O network
6036
between the control system and
standby system of a redundant system
was detected.
In a redundant system, the memory
card installation status (installed/not
6040
installed) differs between the control
system and standby system.
In a redundant system, the memory
6041 card type differs between the control
system and standby system.
*1 : Characters in parentheses ( ) indicate the special register numbers where individual information is being
stored.
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Corrective Action
Match the valid parameter drive
settings (SW2, SW3) by the DIP
switches of the control system and
standby system.
Synchronise the operation statuses of
the control system and standby
system.
Synchronise the operation statuses of
the control system and standby
system.
Set the RUN/STOP switches of the
control system and standby system to
the same setting.
• Match the module configurations of
the control system and standby
system.
• In the redundant setting of the
network parameter dialog box,
match the mode setting of System B
to that of System A.
Match the model names of the control
system and standby system.
Check the network cables of the
MELSECNET/H multiplexed remote I/
O network for disconnection.
Match the memory card installation
statuses (set/not set) of the control
system and standby system.
Match the memory card types of the
control system and standby system.
MELSEC-Q
Corresponding
CPU
QnPRH
Q4AR
QnPRH
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