
| 
 Display LED        
 | 
 On        
![]()  | 
 Flashing        
![]()  | 
 Off        
![]()  | 
|---|---|---|---|
| 
 BAT        
(red)        
 | 
  | 
 -        
 | 
 Running normally.        
 | 
| 
 RUN        
(green)        
 | 
 PLC running normally, program executing.        
 | 
 PLC in STOP mode or blocked by software error.        
 | 
  | 
| 
 TER        
(yellow)        
 | 
 -        
 | 
 Terminal port link active. The rate of flashing is relative to the amount of traffic.        
 | 
 Link not active.        
 | 
| 
 I/O        
(red)        
 | 
 Input/Output errors coming from a module, a channel or a configuration error.        
 | 
 X-Bus error.        
 | 
 Normal state, no internal error.        
 | 
| 
 FIP        
(yellow)        
 | 
 -        
 | 
 Fipio bus link active. The rate of flashing is relative to the amount of traffic.        
 | 
 Link not active.        
 | 
| 
 ERR        
(red)        
 | 
 Processor or system error.        
 | 
  | 
 Normal state, no internal error.        
 |