Huawei SUN2000-250KTL Series User Manual page 26

SUN2000-(250KTL, 280KTL, 300KTL, 330KTL) Series
User Manual
Indicator
Grid connection
indicator
Communication
indicator
Alarm/Maintenance
indicator
Issue 02 (2022-12-20)
Status (Blinking Fast: On
for 0.2s and Off for 0.2s;
Blinking Slowly: On for 1s
and Off for 1s)
Blinking green fast
Off
Steady green
Blinking green fast
Off
Blinking green fast
Off
Alarm state Steady red
Blinking red
fast
Blinking red
slowly
Local Steady green
maintenanc
Blinking
e state
green fast
Blinking
green slowly
Copyright © Huawei Technologies Co., Ltd.
Meaning
If the alarm/maintenance indicator is red,
an environmental fault at the DC side of
the SUN2000 was generated.
The SUN2000 disconnects from all PV
strings, or the DC input voltages of all
MPPT circuits are less than 500 V.
The SUN2000 is in grid-tied mode.
If the alarm/maintenance indicator is red,
an environmental fault at the AC side of the
SUN2000 was generated.
The SUN2000 is not in grid-tied mode.
The SUN2000 receives communication data
normally.
The SUN2000 has not received
communication data for 10 seconds.
A major alarm is generated.
● If the PV connection indicator or grid-
connection indicator is blinking green
fast, troubleshoot DC or AC
environmental faults as instructed by the
app.
● If the PV connection indicator and grid
connection indicator are both not
blinking green fast, replace components
or the device as instructed by the app.
A minor alarm was generated.
A warning alarm was generated.
The local maintenance is successful.
Local maintenance failed.
The device is under local maintenance or
shut down after receiving a command.
2 Overview
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