12 Troubleshooting SMA Solar Technology AG
72 SB30-50TL-21-IA-en-21 Installation Manual
12 Troubleshooting
12.1 LED Signals
Item Description Status Explanation
A Green LED Lit Operation
Flashing Grid connection conditions are not yet met.
B Red LED Lit Errors
C Blue LED Lit Bluetooth communication is activated.
Flashing The inverter has been identified via Sunny Explorer by
setting the "Find device" parameter.