Mitsubishi MELSEC L Series User Manual page 225

Error code
Error item
(Hexadecimal)
4050
H
4051
H
4052 Protect error
H
4053
H
4054
H
4060
H
4061
H
4063
H
Online
4064
H
registration
error
4065
H
4066
H
4067
H
4068
H
406A
H
Circuit inquiry
4070
H
error
Error details
The request contents cannot be executed
because the memory card write protect switch
is on.
The specified device memory cannot be
accessed.
The specified file attribute is read only so the
data cannot be written.
An error occurred when writing data to the
specified drive memory.
An error occurred when deleting the data in
the specified drive memory.
The online debug function (such as online
change, sampling trace, and monitoring
condition setting) and the data logging function
are being executed with another programming
tool.
Communication of the online debug function
was unsuccessful.
The registered number of locked files
exceeded the maximum value.
Settings for the online debug function (such as
online change, sampling trace, and monitoring
condition setting) and for the data logging
function are incorrect.
The device allocation information differs from
the parameter.
The specified drive keyword, file password, or
file password 32 is incorrect.
Monitor communication was unsuccessful.
Operation is disabled because it is being
performed with another programming tool.
The drive (memory) number that cannot be
handled (other than 0 to 4) was specified.
The program not yet corrected and the one
corrected by online program change are
different.
Corrective action
Turn off the memory card write protect switch.
Check the following and make it countermeasures.
• Is the memory one that can be used?
• Is the specified drive memory correctly installed?
Do not write data in the specified file.
Or change the file attribute.
Check the specified drive memory.
Or reexecute write after changing the corresponding
drive memory.
Check the specified drive memory.
Or re-erase after replacing the corresponding drive
memory.
• Finish the operation of another programming tool and
then execute the function.
• If the operation of another programming tool is on
hold, resume with that programming tool to complete
the operation, and then execute the function again.
• Register an online debug function (such as online
change, sampling trace, and monitoring condition
setting) and then establish a communication.
• Execute again after checking the communication
route such as the communication cable.
Finish the file access from another programming tool,
and then execute again.
• Check the settings for the online debug function (such
as online change, sampling trace, and monitoring
condition setting) and data logging function.
• Execute again after checking the communication
route such as the communication cable.
Check the device assignment parameters of the CPU
module or the device assignment of the request data.
• Correct the drive keyword of the specified drive.
• Correct the file password of the specified file.
• Correct the file password 32 of the specified file.
• 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.
Finish the operation of another programming tool and
then execute again.
Check the specified drive and specify the correct drive.
Read the program from the CPU module to match it with
that of the programming tool, and then execute online
change again.
APPENDICES
A
223