Displays and messages SMA America, LLC
64 SB30-40US-IUS103030 Installation Guide
8.1 LED operation indicators
Standby (night)
The inverter is in standby mode because the input voltage is too low for operation or no DC is
connected.
Initialization
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.
Starting
The inverter has sufficient PV power to calibrate its internal systems, but not enough to begin normal
operation. Typically, the calibration lasts less than 10 seconds and then the inverter resumes normal
operation. PV voltage must remain > PV Start Voltage setting for the period of the P-Start parameter
setting (see section 8). The inverter will also show this status if it has been manually set to STOP mode.
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