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12.3 Error Code List
12.3.11 Error codes returned to request source during communication with CPU module
12
TROUBLESHOOTING
Table12.12 Error code
Error code
(Hexadecimal)
Error item Error details Corrective action
4065
H
Online
registration
error
The device allocation information differs from
the parameter.
Check the device assignment parameters of the CPU
module or the device assignment of the request data.
4066
H
The specified drive keyword/file password is
wrong.
• Correct the drive keyword of the specified drive.
• Correct the file password of the specified file.
4067
H
Monitor communication was unsuccessful.
• Check the system area capacity of the user setting
specified for programmable controller memory format.
• Execute again after checking the communication route
such as the communication cable.
4068
H
Operation is disabled since the same
operation is being executed from the other
peripheral device.
Execute the function again after the operation from the
other peripheral device has been ended.
406A
H
The drive (memory) number that cannot be
handled (other than 0 to 4) was specified.
Check the specified drive and specify the correct drive.
4070
H
Circuit inquiry
error
The program not yet corrected and the one
corrected by online program change are
different.
Execute Read from PLC to make the program of the
peripheral device the same as that of the CPU module,
and then execute online program change again.
4080
H
Other errors
Request data error Check the request data specified in the MC protocol, etc.
4081
H
The sort subject cannot be detected. Check the data to be searched.
4082
H
The specified command is executing and
therefore cannot be executed.
Execute the command again after the request from the
other peripheral device is completed.
4083
H
An attempt was made to perform operation for
the program not registered to the parameters.
Register the program to the parameters.
4084
H
The specified pointer P, I did not exist. Check the pointer P, I in the specified data.
4085
H
Pointer P, I cannot be specified because the
program is not specified in the parameter.
Specify pointer P, I after registering the program to be
executed in the parameter.
4086
H
Pointer P, I has already been added. Check the pointer No. to be added and make correction.
4087
H
Trying to specify too many pointer P, I. Check the specified pointer P, I and make a correction.
4088
H
• The specified step No. is not the start of the
instruction.
• Program stored in the CPU is different from
the relevant program.
• Check and correct the specified step No.
• Read from PLC to make the program of the peripheral
device the same as that of the CPU module, and write
to PLC during RUN again.
4089
H
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.
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