Huawei+sun2000+reset+installer+password+work | PRO – 2025 |

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.

: Turn the AC switch back on, then set the DC switch to ON . Wait about 90 seconds until the indicator blinks green slowly. huawei+sun2000+reset+installer+password+work

Attempting random passwords too many times will lock the login interface for 15–60 minutes. If you want, I can turn this into

: Turn the AC and DC switches to OFF again. Wait until all LED indicators are off. Attempting random passwords too many times will lock

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

Some SUN2000s (especially 3-phase) require :

Once you regain access via 00000 , navigate immediately to Settings > Communication > Power Plant Authentication and ensure "Local Login without Password" is enabled for future emergencies.