Displays and Messages LED Fault Indicators
SB3000US-4000US-11-SE1607 SMA America 7-9
High DC Input Voltage
5s
3s 1s1s 1s 1s
LED an
LED aus
The yellow LED is blinking
4 times in short intervals
The signal is repeated 3 times and
then starts from the beginning
The yellow LED is on for 5 seconds, remains off for 3 seconds and then blinks 4
times. The code is repeated 3 times. If the condition remains the code will continue
to be sent.
The inverter has detected a DC input voltage that is too high for safe operation.
WARNING: Disconnect the PV array from the
Sunny Boy immediately. High DC input voltage can
permanently damage the inverter. Have the input
source checked by a qualified technician.
WARNING: Always test the DC voltage at the DC
disconnect switch before energizing the Sunny Boy.
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