Category
Status
Description
Steady green
Steady green
The SUN2000 is
operating in grid-tied
mode.
Blinking green at long
intervals (on for 1s
and then off for 1s)
Off
The DC is on and the
AC is off.
Blinking green at long
intervals (on for 1s
and then off for 1s)
Blinking green at long
intervals (on for 1s and
then off for 1s)
Both the DC and AC
are on, and the
SUN2000 is not
exporting power to the
power grid.
Off
Blinking green at long
intervals (on for 1s and
then off for 1s)
The DC is off and the
AC is on.
Steady orange
Steady orange
The SUN2000 is
operating in the off-
grid mode.
Blinking orange slowly
Off
The DC is on, and the
SUN2000 has no
output in the off-grid
mode.
Blinking orange slowly
Blinking orange slowly
The SUN2000 is
operating in the
overload in backup
mode.
Off
Off
Both the DC and AC
are off.
Blinking red at short
intervals (on for 0.2s
and then off for 0.2s)
–
There is a DC
environmental alarm,
such as an alarm
indicating that High
String Input Voltage,
String Reverse
Connection, or Low
Insulation Resistance.
–
Blinking red at short
intervals (on for 0.2s
and then off for 0.2s)
There is an AC
environmental alarm,
such as an alarm
indicating Grid
Undervoltage, Grid
Overvoltage, Grid
Overfrequency, or Grid
Underfrequency.
SUN2000-(2KTL-6KTL)-L1
User Manual
6 System Commissioning
Issue 04 (2021-04-01)
Copyright © Huawei Technologies Co., Ltd.
60