clears the alarm. If the alarm is triggered for ve times or more within 24 hours,
the SUN2000 locks for protection. You need to manually clear the alarm on the
SUN2000 so that it can work properly.
You can manually clear the alarm as follows:
● Method 1: FusionSolar App
Log in to the FusionSolar App and choose Me > Device commissioning. On
the Device commissioning screen, connect and log in to the SUN2000 that
generates the AFCI alarm, tap Alarm management, and tap Clear on the
right of the DC arc fault alarm to clear the alarm.
Figure 7-16 Alarm management
● Method 2: FusionSolar Smart PV Management System
Log in to the FusionSolar Smart PV Management System using a non-owner
account, choose Maintenance > Alarm Management, select the DC arc fault
alarm, and click Clear to clear the alarm.
Figure 7-17 Clearing alarms
Switch to the owner account with PV plant management rights. On the home
page, click the PV plant name to go to the PV plant page, and click OK as
prompted to clear the alarm.
7.2.3 IPS Check (for Italy CEI0-21 Grid Code Only)
Function
The Italy CEI0-21 grid code requires an IPS check for the SUN2000. During the
self-check, the SUN2000 checks the protection threshold and protection time of
SUN2000-(3KTL-10KTL)-M1 Series
User Manual 7 Man-Machine Interaction
Issue 17 (2024-01-12) Copyright © Huawei Technologies Co., Ltd. 99