SMA SI 4548-US - Manual (Page 100)

11 Data Storage on SD Memory Card SMA America, LLC
100 SI4548-6048-US-BE-en-20 Operating Manual
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 Display from Explanation
Master The master update
starts.
Master Master update part 1/
2.
Master Master update part 2/
2.
⋮
Master The slave update starts.
⋮
Load parameter