SMA SC 9000TL - Manual (Page 14)

LED States SMA Solar Technology AG
14 SMC9-11TLRP-BA-BEN111320 User Manual
5 LED States
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 grid
feeding.
Green LED on The inverter is feeding in to the power distribution grid.
Green LED
flashing The inverter is monitoring the power distribution grid and
is waiting for the DC voltage to reach a defined limit so
that it can begin feeding the grid.
Operation interrupted.
Power limitation in the inverter.
Red LED on A ground fault has occurred or one of the thermally
monitored varistors on the DC input side is defective.
Inform your installer.