SMA SB 2500 Installation - Manual (Page 46)

Opening and Closing SMA Solar Technology AG
46 SB25-30-IA-en-51 Installation Manual
8. Ensure that no voltage is present at the DC plugs on
the inverter.
☑ If voltage is present, check the installation.
9. Remove all screws from the enclosure lid and pull
the lid forward smoothly.
10. Remove the protective conductor (PE) connection
from the lid by loosening the PE connection lock on
the lid.
☑ The inverter is open and no voltage is present.