Chapter 12  Troubleshooting 
12-57 
Description  Remedy 
16#A0FC 
Errors occur in the slaves, on 
the module of an AHRTU-DNET 
backplane, or on the 
AHRTU-DNET backplane 
connection.   
1.  Check whether the node number has changed. 
2.  Check if the network connection cable is secured and 
working fine. 
3.  Check if the network transmission cable does not 
exceed the maximum communication distance (refer 
to AH500 module manual section 11.3.3 for more 
information). Do not exceed the maximum 
communication distance to ensure a stable network.     
4.  Check if the module on the backplane is working fine. 
5.  Check if the AHRTU-DNET backplane connection is