Huawei SUN2000-3KTL-M1 - Page 18

Category Status Description
Blinking
green at
long
intervals
(on for 1s
and then
o for 1s)
O The DC is on and the AC
is o.
Blinking
green at
long
intervals
(on for 1s
and then
o for 1s)
Blinking green at long
intervals (on for 1s and
then o for 1s)
Both the DC and AC are
on, and the SUN2000 is
not supplying power to
the power grid.
O Blinking green at long
intervals (on for 1s and
then o for 1s)
The DC is o and the AC
is on.
O O Both the DC and AC are
o.
Blinking
red at
short
intervals
(on for
0.2s and
then
o
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 o 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. 11