Huawei SUN2000 MB0 Series - Page 74

Category Status Description
Blinking
green
slowly (on
for 1s and
o for 1s)
O The DC is on and the AC
is o.
Blinking
green
slowly (on
for 1s and
o for 1s)
Blinking green slowly
(on for 1s and o for
1s)
Both the DC and AC are
on, and the inverter is
o-grid.
O Blinking green slowly
(on for 1s and o for
1s)
The DC is o and the AC
is on.
O O Both the DC and AC are
o.
Blinking
red fast
(on for
0.2s and
o for
0.2s)
- There is a DC
environmental alarm,
such as High String
Input Voltage, String
Reverse Connection, or
Low Insulation
Resistance.
- Blinking red fast There is an AC
environmental alarm,
such as Grid
Undervoltage, Grid
Overvoltage, Grid
Overfrequency, or Grid
Underfrequency.
Steady red Steady red A fault exists.
Communica
tion
indication
LED3 -
Blinking green fast (on for 0.2s and
o for 0.2s)
Communication is in
progress. (When a mobile
phone is connected to
the inverter, the indicator
rst blinks green slowly,
indicating that the phone
is connected to the
inverter.)
Blinking green slowly (on for 1s and
o for 1s)
The mobile phone is
connected to the inverter.
O There is no
communication.
SUN2000-(12K-25K)-MB0 Series
User Manual 6 Power-On and Commissioning
Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd. 68