● 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 3 Tap Communication
conguration and set 4G parameters.
Figure 6-6 Inverter communication settings
Table 6-3 Parameter description
Type
Parameter Setting Description
4G APN mode ● Set the parameters related to the SIM card based on
the information provided by the SIM card carrier.
APN
FusionSolar Smart PV Management System
Connection
User Manual (Inverters + SDongleA) 6 Maintenance
Issue 02 (2021-11-25) Copyright © Huawei Technologies Co., Ltd. 52
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