Table 6-2 LED indicator description
Category Status Meaning
Running indication LED 1 LED 2 N/A
Steady green Steady green The SUN2000 is operating in
grid-tied mode.
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)
The DC is on, the AC is on, and
the SUN2000 is not exporting
power to the power grid.
O Blinking green at
long intervals
DC is o and AC is on.
O O DC and AC are both o.
Blinking red at
short intervals (on
for 0.2s and then
o for 0.2s)
N/A DC environmental alarm
N/A Blinking red at
short intervals (on
for 0.2s and then
o for 0.2s)
AC environmental alarm
Steady red Steady red Fault
Communication
indication
LED 3 N/A
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 rst indicates that the
phone is connected to the
SUN2000): blinks green at long
intervals.)
Blinking green at long intervals (on for
1s and then o for 1s)
The mobile phone is connected
to the SUN2000.
O There is no communication.
Step 5 (Optional) Observe the LED to check the operating status of the Smart Dongle.
● WLAN-FE Smart Dongle
SUN2000-(3KTL-10KTL)-M0
User Manual 6 Commissioning
Issue 06 (2020-10-23) Copyright © Huawei Technologies Co., Ltd. 57