Huawei+sun2000+reset+installer+password+work Jun 2026

This method restores the local login password, WLAN name, and WLAN password to factory defaults without affecting historical data or the remote FusionSolar account.

For models that support it, a simpler, app‑based password reset is also possible. This method is typically available on newer SUN2000 inverters, such as those in the (3K‑6K)‑LB0, (8K‑10K)‑LC0, (12K‑25K)‑MB0, (5K‑12K)‑MAP0 series, and others.

: Find the sticker on the side of the inverter that contains the WLAN SSID (which usually starts with "SUN2000-") and the initial Wi-Fi password. Take a photo of this sticker for reference.

: Use the FusionSolar App to log in with the initial password. You will be prompted to change it immediately for security. huawei+sun2000+reset+installer+password+work

: Flip the external AC breaker back ON , then rotate the bottom inverter DC switch to ON .

: After confirming the password reset, you have 10 minutes to log into the app using the default password "00000a" and set a new password. If no operation is performed within 10 minutes, all parameters of the inverter remain unchanged, and you'll need to repeat the process.

: Within 10 minutes of the final step, connect to the inverter's WLAN and set a new password via the FusionSolar app. Alternative Methods and Considerations This method restores the local login password, WLAN

: Turn the switches back on, wait 90 seconds for slow green blinking, then turn them off again until LEDs are off.

the AC and DC switches again, waiting until all indicators turn off.

How to Reset Huawei SUN2000 Installer Password: Complete 2026 Guide Forgetting the installer password for a Huawei SUN2000 Go to product viewer dialog for this item. : Find the sticker on the side of

. Losing or forgetting the installer password is one of the most common hurdles for solar system owners and new technicians attempting to adjust grid profiles, change Wi-Fi configurations, or add battery storage to a Huawei smart energy platform.

To trigger the reset mode, you must perform a specific sequence of switching the unit off and on: