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APPENDICES
A
Appendix 1 Error Codes
Appendix 1.11 Error codes returned to request source during communication with CPU module
41D3
H
File-related
error
Access into the SD memory card has failed.
• Check if the SD memory card is inserted, and
execute the processing again.
• Replace the SD memory card, and execute the
processing again.
• Execute the data backup, and format the PLC
memory.
QnUDV
41D4
H
File-related
error
The size of the specified file has exceeded that
of the existing file.
Execute again after checking the size of the
specified file.
If the error recurs after re-execution, the file
information data may be corrupted.
After backing up the data in the CPU module,
format the CPU memory.
QCPU
LCPU
41D5
H
File-related
error
The file of the same name exists.
Forcibly execute the request, or execute after
changing the file name.
QCPU
LCPU
41D6
H
File-related
error
The format information data of the specified drive
(memory) is abnormal.
The file information data may be corrupted.
After backing up the data in the CPU module,
format the CPU memory.
QCPU
LCPU
41D7
H
File-related
error
The format information data of the specified drive
(memory) is abnormal.
The file information data may be corrupted.
After backing up the data in the CPU module,
format the CPU memory.
QCPU
LCPU
41D8
H
File-related
error
The specified file is being accessed. Execute again after a while.
QCPU
LCPU
41DF
H
File-related
error
The specified drive (memory) is write-protected.
Execute again after canceling the write protect of
the specified drive (memory).
QCPU
LCPU
41E0
H
File-related
error
The specified drive (memory) is abnormal or
does not exist.
• Execute the operation again after checking that
the memory card or SD memory card has been
inserted.
• After backing up the data, execute
programmable controller memory format.
QCPU
LCPU
41E1
H
File-related
error
Access to the flash ROM was unsuccessful.
• After backing up the data, execute write to PLC
(Flash ROM).
• Execute the operation again after checking that
the specified drive is a flash ROM and that the
size of the memory card or SD memory card is
correct.
QCPU
LCPU
41E4
H
File-related
error
Access to the memory card or SD memory card
was unsuccessful.
• Execute the operation again after checking that
the memory card or SD memory card has been
inserted.
• Execute the operation again after replacing the
memory card or SD memory card.
• After backing up the data, execute
programmable controller memory format.
QCPU
LCPU
41E7
H
File-related
error
The format information data of the specified drive
(memory) is abnormal.
The file information data may be corrupted.
After backing up the data in the CPU module,
format the CPU memory.
QCPU
LCPU
41E8
H
File-related
error
The format information data of the specified drive
(memory) is abnormal.
The file information data may be corrupted.
After backing up the data in the CPU module,
format the CPU memory.
QCPU
LCPU
41E9
H
File-related
error
The specified file is being accessed. Execute again after a while.
QCPU
LCPU
41EB
H
File-related
error
The file name is specified in a wrong method. Execute again after checking the file name.
QCPU
LCPU
41EC
H
File-related
error
The file system of the specified drive (memory) is
logically corrupted.
The file information data may have been
corrupted.
After backing up the data in the CPU module,
format the CPU memory.
QCPU
LCPU
41ED
H
File-related
error
The specified drive (memory) does not have
continuous free space. (The free space for file is
sufficient but the continuous free space is
insufficient.)
Execute again after deleting unnecessary files or
executing programmable controller memory
arrangement.
QCPU
LCPU
Error code
(Hexadecimal)
Error item Error details Corrective action
Corresponding
CPU
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