Category
Status
Description
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 supplying 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.
Off
Off
Both the DC and AC are
off.
Blinking
red at
short
intervals
(on for
0.2s and
then off
for 0.2s)
-
DC environment alarm.
For example, the input
voltage of the PV string is
high, the PV string is
reversely connected, or
the insulation resistance
is low.
-
Blinking red at short
intervals
AC environment alarm.
For example, the power
grid is undervoltage,
overvoltage,
overfrequency, or
underfrequency.
Steady red Steady red
Fault
Communica
tions
indicator
LED3
-
Blinking green at short intervals (on
for 0.2s and then off for 0.2s)
Communication is in
progress. (When a mobile
phone is connected to
the SUN2000, the
indicator blinks green at
long intervals, indicating
that the phone is
connected to the
SUN2000.)
SUN2000-(3KTL-10KTL)-M1
User Manual
2 Overview
Issue 02 (2020-11-20)
Copyright © Huawei Technologies Co., Ltd.
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