How to black start my inverter which is connected with T58 battery?

Please follow the steps below to black start your inverter:
1. Disconnect PV and Grid.
2. Point the DIP key to the right number according to the numbers of battery you connected to your system.
1 battery – DIP to 4
2 batteries – DIP to 5
3 batteries – DIP to 6
4 batteries – DIP to 7
3. Turn on the battery breaker.
4. Press on the power key for at least 10 seconds then release.