EtherCAT Indicators

The following table summarizes the functions of the EtherCAT-specific indicator LEDs.

Indicator	Color/Status		Meaning
LA IN	ON		The Link Activity LED is ON when there is an EtherCAT connection.
	ON, flickering		The Link Activity LED flickers when data is going back and forth.
	OFF		The Link Activity LED is OFF when there is no EtherCAT connection.
ST	GREEN	ON	The Status LED is steady GREEN when the EtherCAT connection is running.
		blinking	The Status LED blinks GREEN when the EtherCAT connection is in PRE-OPERATIONAL state.
		single flash	The Status LED flashes once GREEN when the EtherCAT connection is in SAFE-OPERATIONALstate.
		OFF	The GREEN Status LED is OFF when the EtherCAT connection is in INIT state.
	RED	ON	The Status LED is RED when a critical communication or application controller occurs.
		double flash	The Status LED is RED when an EtherCAT Watchdog Timeout error occurs.
		single flash	The Status LED is RED when a local error occurs.
		blinking	The Status LED is RED when a general configuration error occurs.
		OFF	The Status LED is RED when there is no error, the EtherCAT communication of the device is running.
LA OUT	ON		The Link Activity LED is ON when there is an EtherCAT connection.
	ON, blinking		The Link Activity LED blinks when data is going back and forth.
	OFF		The Link Activity LED is OFF when there is no EtherCAT connection.