Huawei SUN2000 L1 Series Quick Manual page 14

Type Status (Blinking at long intervals:
On for 1s and then Off for 1s;
Blinking at short Intervals: On for
0.2s and then Off for 0.2s)
Running
LED1
indication
Steady green
Blinking green
at long
intervals
Blinking green
at long
intervals
Off
Off
Blinking red at
short intervals
-
Steady red
Communication
LED3
indication
Blinking green at short intervals
Blinking green at long intervals
Off
Type Status
Device
LED1
replacement
indication
Steady red
LED2
Steady green
Off
Blinking green at
long intervals
Blinking green at
long intervals
Off
-
Blinking red at short
intervals
Steady red
LED2 LED3
Steady red Steady red
13
Meaning
N/A
The solar inverter is operating in grid-tied
mode.
The DC is on and the AC is off.
Both the DC and AC are on, and the solar
inverter is not exporting power to the power
grid.
The DC is off and the AC is on.
Both the DC and AC are off.
There is a DC environmental alarm, such
as an alarm indicating that High String
Input Voltage, String Reverse Connection,
or Low Insulation Resistance.
There is an AC environmental alarm, such
as an alarm indicating Grid Undervoltage,
Grid Overvoltage, Grid Overfrequency, or
Grid Underfrequency.
Fault.
N/A
Communication is in progress.
A mobile phone is connected to the solar
inverter.
There is no communication.
Meaning
N/A
The solar inverter hardware is faulty. The
solar inverter needs to be replaced.