Category
Status
Meaning
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)
The DC is on, the AC is 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.
Off
Off
Both the DC and AC are off.
Blinking red at
short intervals
(on for 0.2s
and then off
for 0.2s)
N/A
There is a DC environmental alarm,
such as an alarm indicating that
High String Input Voltage, String
Reverse Connection, or Low
Insulation Resistance.
N/A
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.
Steady red
Steady red
Fault
Communicatio
n indication
LED3
N/A
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 first
indicates that the phone is
connected to the SUN2000): blinks
green at long intervals.)
Blinking green at long intervals (on for 1s
and then off for 1s)
The mobile phone is connected to
the SUN2000.
Off
There is no communication.
Device
replacement
indication
LED1
LED2
LED3
N/A
Steady red
Steady red Steady red
The SUN2000 hardware is faulty.
The SUN2000 needs to be replaced.
SUN2000-(3KTL-10KTL)-M1
User Manual
6 Commissioning
Issue 02 (2020-11-20)
Copyright © Huawei Technologies Co., Ltd.
62
