The following guide outlines the hardware-based procedure for resetting the installer password for Huawei
Performing a password reset will disrupt monitoring and may require re-configuration of grid parameters. Only proceed if you are authorized to manage this equipment. huawei+sun2000+reset+installer+password+work
: 00000a (common for newer SUN2000L models). Common/Advanced User : 000001 . Common/Advanced User : 000001
Whether you have inherited a system from a previous solar company, forgotten the credentials you set three years ago, or the password simply stopped working after a firmware update, losing access means you cannot change grid parameters, update the battery profile (LUNA2000), or run IV curve diagnostics. It requires physical access to the inverter's AC
Key lessons from Luca’s day:
This method is used when you cannot log in to the system at all. It requires physical access to the inverter's AC and DC switches.