Huawei 01075345 User Manual page 74

SUN2000-(2KTL-6KTL)-L1
User Manual
Step 4 Turn on the DC switch between the PV string and the SUN2000 if there is any.
Step 5 Turn on the DC switch at the bottom of the SUN2000.
Step 6 Observe the LEDs to check the SUN2000 operating status.
Table 6-2 LED indicators 1
Category
Running indicator
Issue 10 (2023-02-13)
Status
LED1
Steady green
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)
Off
Steady orange
Blinking orange slowly
Blinking orange slowly
Off
Blinking red at short
intervals (on for 0.2s
and then off for 0.2s)
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LED2
Steady green
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)
Steady orange
Off
Blinking orange slowly
Off
–
6 System Commissioning
Description
–
The SUN2000 is
operating in grid-tied
mode.
The DC is on and the
AC is off.
Both the DC and AC
are on, and the
SUN2000 is not
exporting power to the
power grid.
The DC is off and the
AC is on.
The SUN2000 is
operating in the off-
grid mode.
The DC is on, and the
SUN2000 has no
output in the off-grid
mode.
The SUN2000 is
operating in the
overload in backup
mode.
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.
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