Huawei SUN2000-33KTL-JP Quick Manual page 15

Indicator Status
PV connection Green on
indicator
Green off
Grid-tied indicator Green on
Green off
Communications Blinking green (on for 0.5s and then
indicator off for 0.5s)
Green off
Alarm/Maintenance Alarm status Blinking red at long
indicator
Local
maintenance
status
intervals (on for 1s and
then off for 4s).
Blinking red at short
intervals (on for 0.5s and
then off for 0.5s).
Steady red
Blinking green at long
intervals (on for 1s and
then off for 1s)
Blinking green at short
intervals (on for 0.125s
and then off for 0.125s)
Steady green
14
Meaning
At least one PV string is properly
connected, and the DC input voltage of
the corresponding MPPT circuit is higher
than or equal to 200 V.
The inverter disconnects from all PV
strings, or the DC input voltage of each
MPPT circuit is less than 200 V.
The inverter is connected to the power
grid.
The inverter is not connected to the
power grid.
The SUN2000 receives communications
data normally.
The SUN2000 receives no
communications data for 10s.
A warning alarm is generated.
A minor alarm is generated.
A major alarm is generated.
Local maintenance is in progress.
Local maintenance fails.
Local maintenance succeeds.