On the login screen, click or "Retrieve Password" .
: Connect to the inverter's built-in WLAN. The default installer password is now Troubleshooting "Not Working" Issues huawei+sun2000+reset+installer+password+work
If you want, I can turn this into a step-by-step checklist for resetting an installer password on Huawei SUN2000 inverters that follows manufacturer best practices. On the login screen, click or "Retrieve Password"
There are several online generators and Python scripts available (often found on GitHub or solar forums) that take your Serial Number as input and output the reset code. This is the standard "workaround" used by technicians when the default passwords do not work. On the login screen