Huawei SUN2000-55KTL-HV-D1 User Manual page 13

SUN2000-(55KTL, 60KTL) Series
User Manual
Table 2-1 LED indicator description (from left to right)
Indicator
PV connection
indicator
Grid-tied indicator
Communications
indicator
Alarm/Maintenanc
e indicator
Issue 02 (2017-07-30)
Status
DC input
detection status
PV string
connection
status
Steady green
Green off
Blinking green
Green off
Alarm status
Local
maintenance
status
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Meaning
Blinking green The DC input is normal.
Blinking red DC input detection is in
progress.
Steady red The DC input is abnormal.
Steady green At least one PV string is
properly connected, and the
DC input voltage of the
corresponding maximum
power point tracking (MPPT)
circuit is higher than or equal
to 600 V.
Green off The SUN2000 disconnects
from all PV strings, or the DC
input voltage of each MPPT
circuit is less than 600 V.
The SUN2000 connects to the
power grid.
The SUN2000 does not
connect to the power grid.
The SUN2000 receives data
over RS485/PLC
communication.
The SUN2000 has not
received data over RS485/PLC
communication for 10
seconds.
Blinking red at A warning alarm is generated.
long intervals
(on for 1s and
then off for 4s)
Blinking red at A minor alarm is generated.
short intervals
(on for 0.5s and
then off for
0.5s)
Steady red A critical alarm is generated.
Blinking green Local maintenance is in
at long intervals progress.
(on for 1s and
then off for 1s)
Blinking green Local maintenance fails.
at short intervals
2 Overview
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