Huawei SUN2000-10KTL-BEM1 Quick Manual page 20

6. Observe the LEDs to check the operating status of the inverter.
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
indication
Steady green
Blinking green
at long
intervals
Blinking green
at long
intervals
Off
Off
Blinking red at
short intervals
N/A
Steady red
Communication
indication
Blinking green at short intervals
Blinking green at long intervals
Off
Device
replacement
indication
Steady red
Steady green
Off
Blinking green at
long intervals
Blinking green at
long intervals
Off
N/A
Blinking red at
short intervals
Steady red
Steady red Steady red
19
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.
N/A
The solar inverter hardware is faulty. The
solar inverter needs to be replaced.