Diagnostic LEDs

PN diagnostic LED, description of the flashing behavior.
Display	LED	PROFINET status		Meaning
Display	LED	green	red	Meaning
	PN	off	flashing 200ms	Power on, startup phase
		200 ms flashing	off	no PROFINET name
		1 sec off, 200 ms on	off	No IP address
		on	off	Run

DIAG diagnostic LED, description of the flashing behavior.
Display	LED	PROFINET diagnosis		Meaning
Display	LED	green	red	Meaning
	DIAG	500 ms flashing	500 ms flashing	PN controller identification. The PN controller is transmitting an identification signal.
		off	200 ms flashing	The establishment of a connection with the controller has not been completed.
		1 s off 200, ms on	off	Problem when establishing a connection, or the actual and target configurations are different.
		200 ms	off	The device is in data exchange but the PLC is in Stop mode.
		on	off	The device is in data exchange.

If a virtual PROFINET slave was configured, this is also covered by the LEDs in the event of an error. The physical device always has higher priority. The status of the virtual slave is only displayed once everything is OK with the physical device.