Huawei SUN2000 Reset Installer Password Work: The Complete 2026 Guide Forgetting the installer password for a Huawei SUN2000

: Turn the AC and DC switches to OFF again. Wait until all LED indicators are off.

If you prefer a software-based approach or if the physical power cycling method isn't working for your specific model, you can attempt to reset the password directly through the SUN2000 app.