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APPENDICES
A
Appendix 1 Error Codes
Appendix 1.11 Error codes returned to request source during communication with CPU module
4043
H
Intelligent
function
module
specification
error
The intelligent function module does not exist in
the specified position.
Check the I/O No. of the specified intelligent
function module.
QCPU
LCPU
4044
H
Intelligent
function
module
specification
error
A control bus error occurred during access to the
intelligent function module.
Check that the specified intelligent function
module, other modules, and base units have no
hardware failure.
QCPU
A system bus error occurred during access to the
special function module.
Check that the specified special function module,
other modules, and LA1S extension base unit
have no hardware failure.
LCPU
4048
H
Intelligent
function
module
specification
error
An error occurred when the buffer memory of the
MELSECNET, MELSECNET/B local station data
link module was accessed.
Do not access the buffer memory of the
MELSECNET, MELSECNET/B local station data
link module since the access is prohibited.
QCPU
An error occurred when the buffer memory of the
MELSECNET()/B local station module was
accessed.
Do not access the buffer memory of the
MELSECNET()/B local station module.
LCPU
4050
H
Protect error
The request contents cannot be executed
because the write protect switch on the memory
card or the protect switch on the SD memory
card is on.
Turn off the write protect switch or the protect
switch.
QCPU
LCPU
4051
H
Protect error
The specified device memory cannot be
accessed.
Check the following and make it countermeasures.
• Is the memory one that can be used?
• Is the specified drive memory correctly
installed?
QCPU
LCPU
4052
H
Protect error
The specified file attribute is read only so the
data cannot be written.
Do not write data in the specified file. Or change
the file attribute.
QCPU
LCPU
4053
H
Protect error
An error occurred when writing data to the
specified drive memory.
Check the specified drive memory. Or reexecute
write after changing the corresponding drive
memory.
QCPU
LCPU
4054
H
Protect error
An error occurred when deleting the data in the
specified drive memory.
Check the specified drive memory. Or re-erase
after replacing the corresponding drive memory.
QCPU
LCPU
4060
H
Online
registration
error
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.
• 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.
QCPU
LCPU
4061
H
Online
registration
error
Communication of the online debug function was
unsuccessful.
• 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.
QCPU
LCPU
4063
H
Online
registration
error
The registered number of locked files exceeded
the maximum value.
Finish the file access from another programming
tool, and then execute again.
QCPU
LCPU
4064
H
Online
registration
error
Set data of the online debug function (such as
the online change/sampling trace/settings of
monitor condition), data logging function, or
realtime monitor function are incorrect.
• Check the set data of the online debug function
(such as the online change/sampling
trace/settings of monitor condition), data logging
function, and realtime monitor function.
• Execute again after checking the communication
route such as the communication cable.
QCPU
LCPU
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.
QCPU
4066
H
Online
registration
error
The specified file password is incorrect. Check and specify the correct file password.
QCPU
LCPU
Error code
(Hexadecimal)
Error item Error details Corrective action
Corresponding
CPU
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