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16.4 Error Code List
16.4.1 Error codes and actions (for errors occurred in function execution)
16
TROUBLESHOOTING
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Table 16.8 Common error codes returned by bus interface and MELSEC data link functions (continued)
Return value
(HEX)
Error description Corrective action
16386
(0x4002)
An unprocessable request was received. Change the request destination.
16400
(0x4010)
Not executable during running
Reset the C Controller module when it is in the
STOP status.
16432
(0x4030)
The specified device type does not exist. Check the device type.
16433
(0x4031)
The specified device No. is out of range.
The block No., network No., start I/O No. 16, or CPU No. of the
specified device is invalid.
Check the device No.
Check the block No., network No., start I/O No.
16, and CPU No. (device type) of the
specified device.
On the target, check if the specified device,
block No., network No., start I/O No. 16, and
CPU No. are valid.
Use the extended function since 32768(8000
H)
the specified device No.
16448
(0x4040)
The module does not exist.
Do not issue a request that generated an error
to the specified special function.
16449
(0x4041)
The number of device points is out of range.
Check the start address and number of access
points.
Access within the range.
Use the extended function if the specified size
is 32768 (8000
H) or more.
The specified device is not accessible.
Check the start address and the number of
access points, and access an accessible
device.
16450
(0x4042)
Corresponding module error.
Check if the specified module is operating
normally.
16451
(0x4043)
The module is not mounted on the specified slot. Check the start I/O No. of the specified module.
In a single CPU system configuration, an access to the CPU shared
memory of the C Controller module was attempted.
To access the CPU shared memory of the C
Controller module, configure a multiple CPU
system.
16480
(0x4060)
Online registration error.
The online debug function is currently running on another peripheral
device.
• After the operation has ended on the other
peripheral device, execute the function once
again.
• In a case where the operation is in progress or
the operation has been suspended on the
other peripheral device, execute the operation
once again on the other peripheral device,
wait for the operation to end normally, and
then execute the operation once again.
16523
(0x408B)
Remote request not executable
Allow "Remote reset" in the system settings,
and then execute remote reset.
16641
(0x4101)
The number of write data is out of the storage device range for data
to be written.
Check and revise the program to a proper user
program.
17232
(0x4350)
The specified destination CPU module is wrong.
(1) A CPU No. set as reserved was specified.
(2) A CPU No. not mounted was specified.
(3) The start I/O No. of the destination CPU module divided by 16 is
out of the range of 3E0
H to 3E3H.
Check and revise the program to a proper user
program.
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