SMA SB 3300TL - Manual (Page 28)

Device Description SMA Technologie AG
Page 24 SB3300TL-11:FE1905 Operating Instructions
“Error ROM“ indicates that the Sunny Boy has de-
tected a defective firmware in the EEPROM. Contact
SMA in order to fix this failure.
Indication of DC Overvoltage
A too high voltage on the input (DC) side is indicated
by a blinking background illumination and the dis-
play shown on the left side.
Check the input voltage and your module configuration before you reconnect the DC
voltage to the Sunny Boy!
Disconnect the Sunny Boy from the supply voltage immediate-
ly! Otherwise, the Sunny Boy can be severely damaged!
Indication of defective firmware
Error
ROM
Indication of an overvoltage on one
of the DC input connectors
!PV-Overvoltage!
!DISCONNECT DC !