Status LEDs for power supply
The IO-Link module contains 2 diagnostic LEDs for the power supply and a Diagnostic object (0x0A00) for more accurate diagnosis. The description of the diagnostic parameters (Index 0x0A00) is described in the section Object description and parameterization.

LED display
LED  | Display  | Meaning  | 
|---|---|---|
24 V  | off  | Voltage L+ non-existent  | 
green  | voltage L+ ok  | |
red  | Voltage L+ too low  | |
right LED  | green  | Voltage P24 ok  | 
off  | Voltage P24 too low, short-circuit  |