ABB TRIO-20.0-TL-OUTD-S-US-480

T010CC4
- 55 -
4 - Operations
LED indicators
In their various combinations, the LEDs can indicate conditions that are different from the single
one. The table below shows the possible combinations of activation of the LEDs in relation to the
operating state of the inverter.
Warning and Error messages referenced below are described in Troubleshooting, section 5.
LED BEHAVIOR
LEDs Status
Operational Status
Remarks
1
green:
yellow:
red:
Inverter is not operating
Input voltage less than 50Vdc at
the input
2
green:
yellow:
red:
Inverter is initializing, loading
settings and performing grid
check
Transition status while operating
conditions are checked
3
green:
yellow:
red:
Inverter is powering the grid
Normal operation
4
green:
yellow:
red:
Inverter is shut down because of
a GFI fault
Ground fault has been detected
5
green:
yellow:
red:
Inverter detected a fault
The fault can be inside or outside
the inverter. See the alarm code
appearing on the LCD
6
green:
yellow:
red:
Installation phase: inverter is
disconnected from grid
During installation it refers to
setup of the address for RS-485
communication
7
green:
yellow:
red:
Inverter is disconnected from grid
connection
LED off LED on LED flashing any condition
Indicates a missing grid