IO-Link status LED
 IO-Link Device status LED (narrow housing)  | 
 IO-Link Device status LED (wide housing)  | 
LED display
LED  | Display  | Meaning  | 
|---|---|---|
IO-Link status LED (X1)  | off  | IO-Link communication inactive  | 
flashes green (1Hz)  | IO-Link communication active  | |
red illuminated  | Short circuit on C/Q line or overheating  | 

