● The inverter WLAN password can be changed on the Communication conguration
screen. You can tap in the upper-right corner of the home screen to change the
login password for Common User, Advanced User, Special User, and installer.
● If you enter wrong login passwords for installer for
ve consecutive times and the
interval between two attempts is within 2 minutes, your account will be locked. Log in
to the app again after 5 minutes.
● Use the initial password upon the
rst Log-in and change it immediately after login. To
ensure account security, change the password periodically and keep the new password
in mind. Not changing the initial password may cause password disclosure. A password
left unchanged for a long period of time may be stolen or cracked. If a password is lost,
devices cannot be accessed. In these cases, the user is liable for any loss caused to the
PV plant.
Step 4 Upgrade a device as prompted.
● Prepare the upgrade package before upgrading the device.
● Delivering an upgrade command to an inverter may cause power grid connection failure
of the inverter and aect the energy yield.
Figure 6-14 Upgrading a device
----End
Connecting to the Smart Dongle over the App
Only SDongleA-05 supports this upgrade mode.
Step 1 Run the FusionSolar app and go to the Device commissioning screen. (Perform
this step only for the FusionSolar app.)
FusionSolar Smart PV Management System
Connection
User Manual (Inverters + SDongleA) 6 Maintenance
Issue 02 (2021-11-25) Copyright © Huawei Technologies Co., Ltd. 59