Displays and Messages LED Operation Indicators
SB3000US-4000US-11-SE1607 SMA America 7-3
LED Operation Indicators
Standby (Night)
All LEDs are off
The inverter is in standby mode because the DC input voltage is too low for
operation or no DC is connected.
Initialization
All LEDs are on
The inverter is initializing. The power from the array is sufficient to initialize control
power, but not yet powerful enough to begin normal operation. Data transmission
is not possible during initialization.
Occasionally, during inclement weather or low irradiation, the LEDs may all turn on
at once and then go off again. This indicates that the inverter is trying to initialize
but the power available from the array is not sufficient for normal operation. This is
not a malfunction.
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