SMA SUNNY BOY STORAGE 3.8-US, System Manual

6  Commissioning

SMA Solar Technology AG

System Manual

SBSUL9540-SH-en-10

20

Requirements:

☐ An end device (e.g. computer, tablet PC or smartphone) must be available.
☐ The respective latest version of one of the following web browsers must be installed: Chrome,

Edge, Firefox, Internet Explorer or Safari.

☐ JavaScript must be enabled in the web browser of the end device.
☐ The SMA Grid Guard code of the Installer must be available for the changing of grid-relevant

settings after completion of the first ten feed-in hours or installation assistant (see "Application
for SMA Grid Guard Code" at www.SMA-Solar.com).

Procedure:

1. If your end device has a WPS function:

• Activate the WPS function on the inverter. To do this, tap twice on the enclosure lid of the

Connection Unit.

☑ The blue LED flashes quickly for two minutes.

• Activate the WPS on your end device.

☑ The connection with your end device will be established automatically. It can take

up to 20 seconds for this connection to be established.

2. If your end device does not have a WPS function:

• Search for WLAN networks with your end device.
• Select the SSID of the inverter 

SMA[serial number]

 in the list with the found WLAN

networks.

• Enter the inverter WLAN password. Within the first ten feed-in hours and prior to

completing the configuration by means of the installation assistant, you must use the
standard WLAN password 

SMA12345

. After the first ten feed-in hours or after

completing the configuration by means of the installation assistant, you must use the
device-specific WLAN password (WPA2-PSK) of the inverter. You find the WLAN
password (WPA2-PSK) on the type label.

3. Enter the IP address 

192.168.12.3

 or, if your device supports mDNS services, 

SMA[serial

number].local

 or 

https://SMA[serial number]

 in the address bar of the web browser and

press the enter key.

4.

Web browser signals a security vulnerability

After the IP address has been confirmed by pressing the enter key, a message might
appear indicating that the connection to the user interface of the inverter is not secure.
SMA Solar Technology AG guarantees that calling up the user interface is secure.

• Continue loading the user interface.

☑ The login page of the user interface opens.

6.3.3

Configuring the Battery Inverter Using the Installation
Assistant

1. Log into the user interface as an 

Installer

. Assign a new password. Assign the password that

you also assigned for the PV inverter. For the registration in Sunny Portal, it is essential that the
PV inverter and the battery inverter have the same password.