Better — Huawei+sun2000+reset+installer+password+work

: Locate the label on the side of the inverter. You will need the initial WLAN SSID and initial password (PSW) found there to reconnect after the reset. 2. Step-by-Step Reset Procedure (The 4-Minute Window)

Authorized Installer Password Recovery for Huawei SUN2000 Inverters: A Technical Overview huawei+sun2000+reset+installer+password+work

Many guides skip this, but you must attempt the "Forgot Password" flow inside the or Inverter WebUI before trying hard resets. : Locate the label on the side of the inverter