SUN2000-(25KTL, 30KTL)-US
User Manual
2 Overview
Issue 03 (2017-04-01)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
7
Table 2-2
describes the indicators.
Table 2-2
Description of indicators from left to right
Indicator
Status
Meaning
PV connection
indicator
Steady green
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.
Off
The SUN2000
disconnects from all PV
strings, or the DC input
voltage of each MPPT
circuit is less than 200 V.
Grid-tie indicator
Steady green
The SUN2000 is
grid-tied.
Off
The SUN2000 is not
grid-tied.
Communication
indicator
Blinking green (on for 0.5s and off for
0.5s)
The SUN2000 receives
data over RS485 or PLC
communication.
Off
The SUN2000 has not
received data over RS485
or PLC communication
for 10 seconds.
Alarm/Maintenanc
e indicator
Alarm state
Blinking red slowly
(on for 1s and then
off for 4s)
The SUN2000 has
generated a warning.
Blinking red fast (on
for 0.5s and then off
for 0.5s)
The SUN2000 has
generated a minor alarm.
Steady red
The SUN2000 has
generated a critical alarm.
Local
maintenance
state
Blinking green
slowly (on for 1s and
then off for 1s)
Local maintenance is in
progress.
Blinking green fast
(on for 0.125s and
off for 0.125s)
Local maintenance has
failed.
Steady green
Local maintenance is
successful.