AH500 Programming Manual 
7-20 
Error code  Description 
CPU 
Status 
ERROR 
Invalid segment in connection path 
16#E206 
The model number for the control mode CPU 
and the standby mode CPU are not the same.   
Continue  Keep  Keep 
16#E207 
The firmware version for the control mode 
CPU and the standby mode CPU are not the 
Continue  Keep  Keep 
16#E208 
Ethernet for the control mode CPU and the 
standby mode CPU are not in the same 
Continue  Keep  Keep 
16#E209 
The I/O configurations of the control mode 
CPU is not the same as the actual I/O 
configurations of the standby mode CPU. 
(while checking the validation)   
Continue  Keep  Keep 
16#E20A 
The I/O configurations of the control mode 
CPU is not the same as the actual I/O 
configurations of the standby mode CPU. 
(after the validation is checked) 
Continue  Keep  Keep 
Heart beat communication timeout 
The standby mode CPU is being switched. 
There is no program on the PLC. 
CPU parameters are damage.   
CPU EIP parameters are damage. 
The I/O configuration file does not exist. 
The I/O configuration file is damage. 
16#E230 
Ethernet connection error in a redundancy 
system   
Continue  Keep  Keep 
16#E260 
Module on the main backplane slot 0 does not 
support a redundancy system.   
Continue  Keep  Keep 
16#E261 
Module on the main backplane slot 1 does not 
support a redundancy system.   
Continue  Keep  Keep 
16#E262 
Module on the main backplane slot 2 does not 
support a redundancy system.   
Continue  Keep  Keep 
16#E263 
Module on the main backplane slot 3 does not 
support a redundancy system.   
Continue  Keep  Keep 
16#E264 
Module on the main backplane slot 4 does not 
support a redundancy system.   
Continue  Keep  Keep 
16#E265 
Module on the main backplane slot 5 does not 
support a redundancy system.   
Continue  Keep  Keep