AH500 Programming Manual 
7-28 
7.1.9
 
AH10PFBM-5A  
Error 
code 
Description 
RUN  SYS  DP 
16#A001 
The master is not set. 
light 
light is 
light is 
light 
16#A003 
The master station enters the test 
mode. 
light 
light is 
light is 
light is 
16#A005 
A timeout occurs when chips 
inside the master station 
light 
light is 
light is 
light is 
16#A00B 
AH10PFBM-5A exchanges data 
light 
light is 
light is 
light is 
16#A402 
The PLC does not assign the I/O 
mapping area to the master. 
light is 
light is 
light is 
light is 
16#A404 
Master initializing error 
light is 
light is 
light is 
light is 
16#A406 
Internal storage unit error 
light is 
light is 
light is 
light is 
16#A407 
Data exchange unit error 
light is 
light is 
light is 
light is 
16#A408 
Master serial number detection 
error 
light is 
light is 
light is 
light is 
16#A4E2 
The master detects that all the 
slaves are offline. 
light is 
OFF 
light is 
The red 
light is ON. 
The master detects that some of 
the slaves are offline.   
light is 
OFF 
light is 
light 
16#A4E6 
The master detects that an error 
occurs in the module connected 
light is 
light is 
light is 
light is 
 
7.1.10
 
AH10PFBS-5A  
Error 
code 
Description 
LED indicator status 
BUS FAULT  RUN  NET 
16#A4F0 
AH10PFBS-5A exceeds the valid 
The red light is 
ON.
 
The green light 
is ON.
 
The green light 
is ON.
 
16#A4F1 
Internal hardware error 
16#A4F2 
Parameter error