21
Display Category
Indicator Status
Description
Alarm/O&M
indication
LED4
-
Steady red
A warning alarm is generated.
If the PV connection indicator and grid connection
indicator are both not blinking green fast, replace
components or the solar inverter as instructed by
the SUN2000 app.
Blinking red at short
intervals
A minor alarm is generated.
Blinking red at long
intervals
A major alarm is generated.
Steady green
Local maintenance succeeds.
Blinking green at long
intervals
In local maintenance or shuts down over a
command.
Blinking green at short
intervals
Local maintenance fails.
Off
No alarm is generated, and no local maintenance
operations are performed.
Bluetooth Module or WLAN Module
Connection
USB Data Cable Connection
Android
Android
SUN2000 APP
7
Scan the QR
code to
download
the app
(Android).
1. The SUN2000 app is a mobile phone app that communicates with the solar
inverter over a WLAN module, a Bluetooth module, or a USB data cable. As
a convenient local monitoring and maintenance platform, it allows for
querying alarms, configuring parameters, and performing routine
maintenance. The app is named SUN2000.
2. Go to Huawei app store (https://appstore.huawei.com), search for
SUN2000, and download the app installation package. You can also scan
the QR code (https://appgallery.cloud.huawei.com/appdl/C10279542) to
download the installation package.
3. Connect the WLAN module, Bluetooth module, or USB data cable to the
USB port on the solar inverter to ensure that the solar inverter can
communicate with the SUN2000 app.