414
4067
H
Online
registration
error
Monitor communication was unsuccessful.
• Check the system area capacity of the user
setting specified when "format PLC memory" is
executed.
• Execute again after checking the communication
route such as the communication cable.
QCPU
LCPU
4068
H
Online
registration
error
Operation is disabled because it is being
performed with another programming tool.
Finish the operation of another programming tool
and then execute again.
QCPU
LCPU
406A
H
Online
registration
error
The drive (memory) number that cannot be
handled (other than 0 to 4) was specified.
Check the specified drive and specify the correct
drive.
QCPU
LCPU
406B
H
Online
registration
error
Online operation was interrupted due to a CPU
module error.
Check the status of the CPU module with the PLC
diagnostics function, identify the error, and take a
corrective action referring to the troubleshooting
section.
QnUDV
4070
H
Circuit inquiry
error
The program not yet corrected and the one
corrected by online program change are
different.
Read the program from the CPU module to match
it with that of the programming tool, and then
execute online change again.
QCPU
LCPU
4080
H
Other error Request data error Check the request data that has been specified.
QCPU
LCPU
4081
H
Other error The sort subject cannot be detected. Check the data to be searched.
QCPU
LCPU
4082
H
Other error
The specified command is executing and
therefore cannot be executed.
Complete the processing for a request from
another programming tool and then execute the
command again.
QCPU
LCPU
4083
H
Other error
An attempt was made to perform operation for
the program not registered to the parameters.
Register the program to the parameters.
QCPU
LCPU
4084
H
Other error The specified pointer (P or I) does not exist.
Check if the specified pointer (P or I) exists in the
data.
QCPU
LCPU
4085
H
Other error
The pointer (P or I) cannot be specified because
the program is not specified in parameter.
Register the program to be executed in parameter
first, and specify the pointer (P or I).
QCPU
4086
H
Other error
The specified pointer (P or I) has already been
added.
Check and correct the pointer number to be
added.
QCPU
LCPU
4087
H
Other error The number of pointers (P or I) exceeds its limit. Check and correct the specified pointer (P or I).
QCPU
LCPU
4088
H
Other error
• The specified step number is not at the head
of the instruction.
• The program differs from that stored in the
CPU module.
• Check and correct the specified step No.
• Read the program from the CPU module to
match it with that of the programming tool, and
then execute online change again.
QCPU
LCPU
4089
H
Other error
An attempt was made to insert/delete the END
instruction by online program change.
• Check the specified program file contents.
• Write the program after setting the CPU module
to the STOP status.
QCPU
LCPU
408A
H
Other error
The file capacity exceeded after the online
change was executed.
• Check the capacity of the specified program file.
• Write the program after setting the CPU module
to the STOP status.
QCPU
LCPU
408B
H
Other error The remote request cannot be executed.
• Re-execute after the CPU module is in a status
where the mode request can be executed.
• For remote operation, set the parameter to
"Enable remote reset".
QCPU
LCPU
408C
H
Other error
An attempt was made to remote-start the
program, which uses the CHK instruction, as a
low speed program.
The program including the CHK instruction cannot
be executed at low speed. Execute again after
checking the program.
Qn(H)
QnPH
QnPRH
408D
H
Other error
The instruction code that cannot be handled
exists.
• Check whether the model of the used CPU
module is correct or not.
• The program where online change was
attempted includes the instruction that cannot be
handled by the CPU module specified for the
project. Check the program and delete the
instruction.
QCPU
LCPU
Error code
(Hexadecimal)
Error item Error details Corrective action
Corresponding
CPU
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