AH500 Hardware and Operation Manual 
12-58 
12.3.8
 
Troubleshooting for AH10PFBM-5A 
Error 
Description  Remedy 
Download appropriate setting. 
16#A003 
The master station enters the 
Just repower it. 
16#A005 
A timeout occurs when chips 
inside the master station 
Download the appropriate configuration again. If the error 
still occurs, please contact the local authorized distributors. 
16#A00B 
A timeout occurs when 
AH10PFBM-5A exchanges data 
Repower AH10PFBM-5A . If the error still occurs, please 
contact the local authorized distributors. 
16#A402 
The PLC does not assign the 
I/O mapping area to the master. 
Assign the appropriate I/O mapping area to the master via 
ISPSoft. 
16#A404  Master initializing error 
Contact the factory if the error still exists after repowering 
16#A406  Internal storage unit error 
Contact the factory if the error still exists after repowering 
AH10PFBM-5A. 
16#A407  Data exchange unit error 
Contact the factory if the error still exists after repowering 
16#A408 
Master serial number detection 
error 
Contact the factory if the error still exists after repowering 
AH10PFBM-5A. 
16#A4E2 
The master detects that the 
slave is offline. 
1.  Check whether the PROFIBUS-DP bus connection is 
normal. 
2.  Check whether both of the ends of the network have 
16#A4E6 
The master detects that an error 
occurs in the module connected 
Check the modules connected to AHRTU-PFBS-5A.