11 Technical data
11.10 LEDs
Red
PROFINET diagnostic alarm active
Red
flashing at
1 Hz
Watchdog time-out; fail safe mode is active
Red
flashing at
2 Hz, 3 sec
DCP signal service is initiated via the bus
Red double
flash
Firmware update
DIA
off
None of the above conditions
Table 57: Information on the LED colors
Manual LioN-P PROFINET IO-Link Master
Version 2.1 10/2017
107