For any persistent issues, or if your system continues to behave unexpectedly after a reset, contact Huawei technical support or a certified local installer. With the right approach, you will soon be back in full control of your solar energy production.
Online remote cloud account management logins are completely unchanged. Not Cleared
to the inverter’s built-in hotspot (e.g., SUN2000-xxxxx ). Use the initial password found on the label on the side of the inverter. huawei+sun2000+reset+installer+password+work
How to Make the Huawei SUN2000 Go to product viewer dialog for this item. Reset Installer Password Work Safely If you lose access to your Huawei SUN2000 solar inverter
: This procedure resets local login/WLAN settings only; it does not impact cloud data or historical yields. For any persistent issues, or if your system
Just when John was about to give up, he stumbled upon an obscure forum post from a fellow engineer who had encountered a similar issue. The engineer had mentioned a specialized installer tool that could reset the SUN2000 inverter to its factory settings. The tool was password-protected, but the engineer had shared a faintly remembered password: "HuaweiSUN2000_reset!"
Always register the inverter under your FusionSolar installer account. That way, if you forget the local password, you can remotely reset it via the cloud — no truck roll needed. Not Cleared to the inverter’s built-in hotspot (e
Make sure you are not connected to the inverter's Wi-Fi before starting the power cycle. Important Considerations for 2026
The following guide outlines the hardware-based procedure for resetting the installer password for Huawei
Many Huawei inverters also ship with a standard : 00000a (five zeros followed by a lowercase 'a'). If this works, log in immediately and change the password to a more secure one.
The app will prompt you to set a new password. Enter a new, secure password for the installer account. Re-configure: Re-apply any network settings if necessary. Troubleshooting: Why Didn't the Reset Work? If the Huawei SUN2000