ABB NETA-21 Installation And Startup Manual page 17

Name Color
STAT Green
Yellow
1/4-second
blinking yellow
1-second
blinking yellow
Blinking red
MON Blinking green NETA-21 sends data (eg, email) to an external destination.
Blinking red

LED indications of the NEXA-21
Name Color
PWR Off
Green
STAT Green
Yellow
Blinking yellow Limited connectivity.
Red
Blinking red
RX Off
Yellow
TX Off
Yellow
Function
System in operation, OK
System starts up, services not yet fully operational
System waits for a confirmation of the reboot operation or
network override.
Firmware update in progress
Error occurred during the start-up of the NETA-21.
If the start-up fails, the NETA-21 restarts itself automatically
after a few seconds. During the reboot operation, all LEDs
excluding the PWR LED flash before the STAT LED turns
yellow again.
Note: If the yellow STAT LED and blinking red STAT LED
alternate and the STAT LED does not turn green, the start-up of
the NETA-21 fails continuously. Try resetting the NETA-21 to
factory settings.
NETA-21 fails to send data (eg, email) to an external
destination. Log on to the web user interface and go to
Reports –> Events for error details.
Function
NEXA-21 not controlled by the NETA-21 or the NETA-21 boots up
NEXA-21 detected by the NETA-21 and the NEXA-21 turned on
System in operation, OK.
DDCS drives (/converters/inverters) commissioned.
Communication with drives (/converters/inverters) OK.
System reboots, the NEXA-21 temporarily out-of-order
Devices not found.
Internal error.
DDCS network not physically OK, or no devices detected.
Incompatible device in DDCS.
NEXA-21 has lost connection to a configured device.
Note: DDCS is running.
Not receiving data
Receiving data
Not transmitting data
Transmitting data
NETA-21 remote monitoring tool 17