9 Technical Data
9.7 LEDs
Red
flashing
at 2 Hz
No data exchange
Off
No error
DIA
Red
Watchdog timeout; diagnostics present; system error
Red
flashing
at 2 Hz,
3 sec
DCP signal service is initiated via the bus
Off
No error message exists
DCU/FM
Blue
DCU program stop
Blue
flashing
at 1 Hz
DCU program run
Off
DCU/FM off
Red
flashing
at 1 Hz
DCU error
Blue/red
flashing
ForceMode active
Table 37: Information on the LED colors
Technical Manual LioN-P PROFINET
Version 2.0 10/2017
75