SMA WB 3300-11 - Manual (Page 15)

SMA Solar Technology AG LED Signals
User Manual WB33_38-BA-BEN120930 15
5 LED Signals
Status Description
All LEDs are on The inverter is initializing.
All LEDs are off The DC input voltage at the inverter is too low for feed-in.
All LEDs are
flashing The inverter is in the startup phase.
Green LED is on The inverter is feeding into the electricity grid.
Green LED is
flashing This flashing can be caused by:
• The inverter is monitoring the electricity grid and is
waiting for the DC voltage to reach a defined limit
so that it can begin feeding the into the network.
• Operation interrupted.
• Power limitation in the inverter.