SMA S Technical Description page 118

Storing Data on an MMC/SD Card
3. While the Sunny Backup 2200 performs the
update, the following messages are displayed:
Mandatory reset
Once the update has been successfully completed, a mandatory reset follows so that the
changes take effect.
4. The Sunny Backup 2200 remains in standby mode after the reset.
5. Start up the device manually (see section 11.1 „Activation / Startup" (91)).
Settings remain the same
Individual parameters and settings are retained during a firmware update.
118 SBU2200-TEN083320
SMA Solar Technology AG
Technical Description