● Method 2: Search for FusionSolar on Huawei AppGallery and download the
latest installation package.
● Method 3: Scan the QR code and download the latest installation package.
Figure 6-3 QR code
6.2.2 (Optional) Registering an Installer Account
● If you have an installer account, skip this step.
● You can register an account only using a mobile phone only in China.
● The mobile number or email address used for registration is the user name for logging
in to the FusionSolar App.
Create the 
rst installer account and create a domain named after the company
name.
Figure 6-4 Creating the rst installer account
To create multiple installer accounts for a company, log in to the FusionSolar App
and tap Add User to create an installer account.
SUN2000-(12K-25K)-MB0 Series
User Manual 6 Power-On and Commissioning
Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd. 73