Rice Lake 920i Programmable HMI Indicator/Controller - EtherNet/IP Interface - Manual (Page 9)

520/720i/820i/920i EtherNet/IP Install & Programming Manual - Installation 5
LED 3: Network Status.
Table 2-3. LED 3 Status
LED 3 Color/State Description
Steady off No power to module or no IP address
assigned
Steady green At least one EtherNet/IP connection
established
Flashing green No EtherNet/IP connections
Flashing red Connection time-out
Steady red Duplicate IP address detected
Flashing red/green Performing power-on self-test
LED 4: Activity
LED 4 flashes green each time a packet is transmitted
or received.
Watchdog LED
A single bi-color LED on the surface of the EtherNet/
IP module provides diagnostic information for
debugging the module itself. Table 2-4 lists the
indications provided by the debugging LED.
Table 2-4. Debugging LED Indications
Status Description
Off No power
Red, 4Hz DPRAM check fault
Red, 2Hz ASIC and FLASH ROM check fault
Red, 1Hz RAM check fault
Green, 2Hz Module not initialized
Green, 1Hz Module initialized and running