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SMA America, LLC
8 Service Functions
8.1 Updating the Firmware for Sunny WebBox
8.1.1 Information
You have the option of updating the Sunny WebBox firmware. The firmware update can be
performed online from the Internet or locally via the SD card. The existing settings of the Sunny
WebBox and data from the PV plant remain available after the update procedure. In order to keep
the Sunny WebBox firmware up to date at all times, automatic firmware updates via the Internet are
recommended.
The update procedure is indicated by the flashing orange "SYSTEM" LED and occasionally by a red
running light across all LEDs. The firmware update is complete when the "SYSTEM" LED glows green.
An update procedure can take up to a maximum of 20 minutes.
The user interface is temporarily unavailable.
During the update, the Sunny WebBox restarts and you cannot access the Sunny WebBox
user interface for a brief period.
Do not disconnect the Sunny WebBox from the power distribution grid during the
update process.
8.1.2 Firmware update from the Internet (recommended)
If the Sunny WebBox has Internet access, you can update the Sunny WebBox via the Internet
automatically or manually.
Activating / Deactivating automatic firmware update
When the automatic firmware update is activated, the Sunny WebBox checks for new firmware
updates once a day. If a new firmware update is available, the Sunny WebBox downloads the
firmware update from the Internet. The update procedure starts automatically the following night
(11:00 p.m.).
Unexpected interruption of an automatically started update procedure
If an automatically started update procedure of the Sunny WebBox is interrupted (e.g. as
a result of a power outage), the Sunny WebBox restarts the update procedure in the next
defined time period.
1. Select the Sunny WebBox in the plant tree and select "Settings" in the device menu
or
Click the button "Settings" in the toolbar.
2. Select the "Device > Update" parameter group.
3. Click on the [Edit] button.
Installation Guide
SWebBox20-eng-IUS111411
Service Functions
39
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