SMA SUNNY ISLAND 4548-US Operating Manual page 101

SMA Solar Technology America LLC
Starting QCG
If you have carried out a firmware update in which the number before the dot in the firmware
version has changed, it is advisable to start QCG and to perform all settings anew.
Firmware Update in a System with One Sunny Island
During the update, the Sunny Island displays the following
messages.
Firmware Update in a System with Several Sunny Island
In a system with several Sunny Island inverters, the firmware is only updated on the master. If the
master detects that a slave has a different firmware version, it transmits its firmware to the slave and
makes sure that all Sunny Island inverters within a system operate with the identical firmware version.
While the master updates the slaves, the devices show the following messages, among other things.
The display messages listed below may be shown at various lengths. Wait until the master displays
the message "Update finished". Press Enter" and for the slaves the display message "Ready Wait for
Master." Do not make any entries during the update.
Display message
Operating Manual
11 Data Storage on SD Memory Card
Load parameter
Display from
Master
Master
SI4548-6048-US-BE-en-21
Explanation
The master update
starts.
Master update part 1/
2.
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