SMA SB 3000TL-20 Installation - Manual (Page 62)

Opening and closing SMA Solar Technology AG
62 SB30TL_40TL_50TL-IA-IEN120231 Installation Guide
6. Unlock all DC connectors using a screwdriver. Use
a screwdriver with a width of 3.5 mm.
– Insert a screwdriver into one of the side slits (1).
– Lever the screwdriver upward and pull out the
plug connector (2).
7. Wait until the LEDs, display and, if applicable, fault indicator have gone out.
8. Verify the absence of voltage L with respect to N at
the AC terminal with an appropriate meter.
☑ If there is a voltage present, check the
installation.
9. Verify the absence of voltage L with respect to PE at
the AC terminal with an appropriate meter.
☑ If there is a voltage present, check the
installation.