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SUN2000-45KTL-US-HV-D0
User Manual
Table 2-1 LED indicator description (from left to right)
Indicator
PV connection
indicator
Grid-tied indicator
Communication
indicator
Alarm/Maintenanc
e indicator
Issue 04 (2018-06-01)
Status
DC input
detection status
PV string
connection
status
Steady green
Off
Blinking green
Off
Alarm status
Local
maintenance
status
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Copyright © Huawei Technologies Co., Ltd.
Blinking green
Blinking red
Steady red
Steady green
Off
Blinking red at long
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
2 Overview
Meaning
The DC input is normal.
DC input detection is in
progress.
The DC input is
abnormal.
At least one PV string is
properly connected, and
the DC input voltage of
the corresponding MPPT
circuit is higher than or
equal to 600 V.
The SUN2000
disconnects from all PV
strings, or the DC input
voltage of each MPPT
circuit is less than 600 V.
The SUN2000 has
connected to the power
grid.
The SUN2000 does not
connect to the power grid.
The SUN2000 receives
data over RS485 or PLC
communication.
The SUN2000 has not
received data over RS485
or PLC communication
for 10 seconds.
A warning alarm is
generated.
A minor alarm is
generated.
A critical alarm is
generated.
Local maintenance is in
progress.
Local maintenance fails.
7
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