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To ensure authorized access to the inverter's settings, Huawei implemented a password protection system. The installer password is a critical component of this system, as it prevents unauthorized users from making changes to the inverter's configuration. However, if the password is lost or forgotten, it can create a significant obstacle for installers and maintenance personnel.

After the reset, use the FusionSolar App to connect to the inverter's local WiFi and log in using the initial credentials: : 00000a Common User Password : 000001

Before performing a hard reset, try the manufacturer’s initial credentials. Note that these are often changed during the first setup for security. Common/Advanced/Special User: SUN2000L App Installer: Charger-Only Installer: 2. The Physical Reset Procedure (Hard Reset)

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