Chapter 12  Troubleshooting 
12-13 
Description  Remedy 
16#6301 
The device used in the Ether Link 
exceeds the device range. 
Check whether the device used in the Ether Link is within 
the device range supported by the CPU module. 
16#6302 
The length of the data exchanged 
in the Ether Link exceeds the 
Check whether the length of the data exchanged in the 
Ether Link is within the range supported by the CPU 
16#6305 
The node used in the 
communication command is 
different from the local node. 
Check the setting of the Ether Link in NWCONFIG, and 
download it again. 
16#630A 
The module ID or the setting of 
the module is different from the 
setting in the Ether Link. 
1. Check the setting of the parameter in HWCONFIG. 
2. Check the setting of the Ether Link in NWCONFIG. 
16#630B 
The setting of the netmask 
address for the CPU or the 
module is different from the 
setting in the Ether Link. 
1. Check the setting of the parameter in HWCONFIG. 
2. Check the setting of the Ether Link in NWCONFIG. 
16#6500 
An error occurs when a data 
exchange function is initialized. 
(SM699) 
Check whether the sum of the number of Modbus TCP 
data exchange blocks and the number of the Ether link 
data exchange blocks exceeds the system specifications, 
and download the setting again. 
16#860F 
An error occurs during the 
process of system restore 
Some error in the backup file or the backup file does not 
exist in the appointed file path. Recreate the backup file 
and run the system restore again. If this error persists, 
contact the local authorized distributors.