SMA SB 3600SE-10 Service Manual - Manual (Page 32)

8 Testing the Function of the Battery Pack
You can test the function of the Battery Pack by manually charging and discharging. The sequence
for charging and discharging depends on the current state of charge of the Battery Pack.
Procedure:
• If the current state of charge of the Battery Pack is lower than 10%, first charge the Battery
Pack until the state of charge has increased to more than 10% and then discharge the Battery
Pack.
• If the current state of charge of the Battery Pack is higher than 95%, first discharge the Battery
Pack until the state of charge has dropped to below 90% and then charge the Battery Pack.
Requirements:
☐ The inverter must be in feed-in operation.
☐ The current PV power must be at least 200 W.
☐ The current feed-in AC power must not exceed 90% of the maximum AC power of the inverter.
Charging the Battery Pack
• Select parameter Battery installation mode and set to Charge battery.
☑ The message Charge battery test appears in the display.
☑ The message Battery charging test successful appears in the display. The Battery Pack was
charged successfully.
✖ Does the message Charge battery test failed appear in the display?
The Battery Pack was not charged successfully. The requirements are probably not fulfilled.
• Ensure that the requirements are fulfilled.
• Ensure that the Battery Pack and the inverter are connected correctly.
• Ensure that the Battery Pack is not defective.
• Ensure that the inverter does not display any other error messages.
Discharging the Battery Pack
• Select parameter Battery installation mode and set to Discharge battery.
☑ The message Battery discharging test appears in the display.
☑ The message Battery discharging test successful appears in the display. The Battery Pack
was discharged successfully.
✖ The message Battery discharging test failed appears in the display.
The Battery Pack was not discharged successfully. The requirements are probably not fulfilled.
• Ensure that the requirements are fulfilled.
• Ensure that the Battery Pack and the inverter are connected correctly.
• Ensure that the Battery Pack is not defective.
• Ensure that the inverter does not display any other error messages.
8 Testing the Function of the Battery Pack SMA Solar Technology AG
Service Manual SB36-50SE-SG-en-10 32