Mitsubishi Electric QS001CPU User Manual page 176

12
TROUBLESHOOTING
Error code
Error item
(Hexadecimal)
4021
H
4022
H
4023
H
4024
H
4025
H
CPU file
related error
4026
H
4027
H
4028
H
4029
H
402A
H
4030
H
4031 CPU device
H
specified error
4032
H
4040
H
Intelligent
4041
H
function
module
specification
4042
H
error
4043
H
4052
H
Protect error
4054
H
12
- 69 12.5 Error codes returned to request source during communication with CPU module
Table12.10 Error code (Continue)
Error details
The specified drive memory does not exist or
there is an error.
The file with the specified file name or file No.
does not exist.
The file name and file No. of the specified file
do not match.
The specified file cannot be handled by a user. Do not access the specified file.
The specified file is processing the request
from the other peripheral device.
The file password or drive keyword set to the
target drive (memory) must be specified.
The specified range exceeds the file range.
The same file already exists.
The specified file capacity cannot be obtained.
The specified file is abnormal.
The specified device name cannot be handled. Check the specified device name.
The specified device No. is outside the range.
There is a mistake in the specified device
qualification.
The request contents cannot be executed in
the specified intelligent function module.
The access range exceeds the buffer memory
range of the specified intelligent function
module.
The specified intelligent function module
cannot be accessed.
The intelligent function module does not exist
in the specified position.
The specified file attribute is read only so the
data cannot be written.
An error occurred when deleting the data in
the specified drive memory.
Corrective action
• Check the specified drive memory status.
• After backing up the data in the CPU module, execute
PLC memory format.
Check the specified file name and file No.
Delete the file and then recreate the file.
Forcibly execute the request, or make the request again
after the processing from the other peripheral device is
completed.
Make access after specifying the file password or drive
keyword set to the target drive (memory).
Check the specified range and access within that range.
Forcefully execute the request forcibly.
Or reexecute after changing the file name.
Revise the specified file contents.
Or reexecute after cleaning up and reorganizing the
specified drive memory.
After backing up the data in the CPU module, execute
PLC memory format.
• Check the specified device No.
• Check the device assignment parameters of the CPU
module.
Check the specified device qualification method.
Check whether the specified module is the intelligent
function module having the buffer memory.
Check the header address and access number of points
and access using a range that exists in the intelligent
function module.
• Check that the specified intelligent function module is
operating normally.
• Check the specified module for a hardware fault.
Check the I/O No. of the specified intelligent function
module.
Do not write data in the specified file.
Or change the file attribute.
Check the specified drive memory.
Or re-erase after replacing the corresponding drive
memory.