Logging In to the App

Prerequisites

• The DC or AC side of the SUN2000 has been energized.
• Connection over a WLAN module or a Bluetooth module:
  1. The WLAN module or Bluetooth module is connected to the USB port at the bottom of the SUN2000.
  2. The WLAN or Bluetooth function is enabled.
  3. Keep the mobile phone within 5 m from the SUN2000. Otherwise, the communication between them would be affected.
• Connection over a USB cable:
  1. The USB data cable is connected from the USB port at the bottom of the SUN2000 to the port on the mobile phone.
  2. If the USB data cable is successfully connected, the message Connected to USB Accessory will pop up on the phone. Otherwise, the cable is not connected.

Procedure

1. Run the app and select a connection mode.
   • The screenshots in this document correspond to the SUN2000 app 3.2.00.013 (Android) and FusionSolar app 5.7.010 (Android).
   • When the WLAN connection is used, scan the QR code of the WLAN module to access the login screen.
   • When the WLAN connection is used, the initial name of the WLAN hotspot is Adapter-WLAN module SN, and the initial password is Changeme. Use the initial password upon first power-on and change it immediately after login. To ensure account security, change the password periodically and keep the new password in mind. Not changing the initial password may cause password disclosure. A password left unchanged for a long period of time may be stolen or cracked. If a password is lost, devices cannot be accessed. In these cases, the user is liable for any loss caused to the PV plant.
   • When the Bluetooth connection is used, the connected Bluetooth device is named after last 8 digits of the SN barcode+HWAPP.
   • After you select Use by default for this USB accessory, a message that asks you to confirm the USB access will not appear if you log in to the app again without removing the USB data cable.
   1. (Scenario in which the SUN2000 is connected to the FusionSolar hosting cloud) Run the FusionSolar app and access the Device Commissioning screen.
      Figure 7-3 Selecting a connection mode (with network access)
      
      Figure 7-4 Selecting a connection mode (without network access)
      
   2. (Scenario in which the SUN2000 is connected to other management systems) Run the SUN2000 app and access the operation screen.
      Figure 7-5 Selecting a connection method
      
2. Select a login user and enter the login password to access the quick settings screen or the main menu screen.
   • The login password is the same as that for the SUN2000 connected to the app and is used only when the SUN2000 connects to the app.
   • The initial passwords for Common User, Advanced User, and Special User are all 00000a.
   • Use the initial password upon first power-on and change it immediately after login. To ensure account security, change the password periodically and keep the new password in mind. Not changing the initial password may cause password disclosure. A password left unchanged for a long period of time may be stolen or cracked. If a password is lost, devices cannot be accessed. In these cases, the user is liable for any loss caused to the PV plant.
   • During the login, if five consecutive invalid password entries are made (the interval between two consecutive entries is less than 2 minutes), the account will be locked for 10 minutes. The password should consist of six characters.
   • If you log in to the app after the device connects to the app for the first time or factory defaults are restored, the quick settings screen will be displayed. Set basic parameters as prompted. If you do not set basic parameters for the inverter on the quick settings screen, the screen is still displayed when you log in to the app next time.
   • To set SUN2000 basic parameters on the quick settings screen, switch to Advanced User. If you log in as Common User or Special User, enter the password of the advanced user to access the Quick Settings screen.
   Figure 7-6 Login