The inverter must be connected to both AC and DC power supplies simultaneously.
This guide details the exact power-cycle sequence required to reset the login password to its factory state for the "Installer" role. Prerequisites for a Successful Reset
How to Successfully Reset the Huawei SUN2000 Installer Password huawei+sun2000+reset+installer+password+work
The reset is triggered by a specific "on-off-on" cycle that must be completed within a strict . Resetting Password - SUN2000-(2KTL-6KTL)-L1 User Manual
Losing access to your Huawei SUN2000 solar inverter can be a major hurdle, especially when you need to adjust grid settings or perform maintenance. If the standard installer password (typically ) no longer works, a manual hardware reset is the only way to regain control. The inverter must be connected to both AC
Before starting, ensure the following conditions are met to avoid the reset failing:
The inverter must have been powered on and operating normally for at least 3 minutes before you begin the first step. Have the FusionSolar App installed on your mobile device
Have the FusionSolar App installed on your mobile device. Step-by-Step Reset Procedure
