Questions Regarding the Battery
What happens if a battery is defective?
Remove the defective battery cell from the battery system. This reduces the rated voltage of the battery by the voltage of the battery cell.
Start the installation assistant on the inverter user interface.
Select [Save and next] up to the step Battery configuration.
Select the button [New battery configuration].
Set the parameter Voltage to the actual rated voltage of the battery ( > Replacing the Battery).
Why is the SOC of the battery not 100% after completion of full charge?
The power requirements of the loads might have been so high before completion of the full charge that the battery could not be charged to 100 percent.
Where necessary, select Battery > Charge and set the parameter Battery full charge time to a longer time period.
Why is the battery discharging even though the generator is running?
The Sunny Island may not have connected to the generator.
Eliminate the cause ( > Questions Regarding the Generator).
The power of the loads might exceed the power of the generator.
What do you need to do after replacing a battery current sensor?
Calibrate the battery current sensor (see the Commissioning section in the Sunny Island inverter installation manual).