: Tap the blue "Scan" button. Then, scan the QR code located on the sticker on the side of the inverter.
If you are locked out of the (the cloud portal) rather than the local inverter, you will need to reset that password through the "Forgot Password" link on the FusionSolar website. If you'd like, I can:
Before flipping any physical switches, prepare your mobile phone so you do not waste precious seconds during the countdown.
If you need to reconfigure or management system parameters .
. Users often find the procedure reliable but "fiddly" due to the specific 3-to-4-minute windows required for the power-cycling steps. Huawei Technical Support Expert Performance Review Reliability: huawei+sun2000+reset+installer+password+work
Security Mechanisms and Authorized Reset Procedures in Grid-Tied Inverters: Case Study of Huawei SUN2000
If the (the one you use to connect your phone to the inverter’s hotspot) is the only credential you have lost, there is an even simpler procedure:
The installer password is used to access and configure the SUN2000 inverter. If you've forgotten the password or need to make changes to the inverter settings, resetting the password is necessary.
Ensure the inverter is powered on. Switch off both the AC breaker and the DC switch at the bottom of the inverter. : Tap the blue "Scan" button
Before attempting to reset the installer password, ensure you have the following:
Before resorting to more drastic measures, it's worth contacting the company that originally installed your system. Many installers keep records of the passwords they set for their customers. If they're no longer in business or you can't reach them, you can also contact Huawei support directly for assistance.
– Wait until the inverter indicator blinks green. On your mobile device, locate the inverter’s Wi‑Fi network (the SSID is printed on the label affixed to the side of the inverter). The initial WLAN password is also on that same label.
This method is particularly useful for systems with multiple inverters where physical access might be challenging. If you'd like, I can: Before flipping any
The following video demonstrates the exact timing and switch operations required for a successful manual reset:
How to Reset the Installer Password on a Huawei SUN2000 Inverter Go to product viewer dialog for this item. and Make It Work To successfully reset the installer password on a Huawei SUN2000 Go to product viewer dialog for this item.
Initiate the reset by following these precise hardware steps within , ensuring the inverter is powered on and LEDs are stable for over 3 minutes first: