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

13. Flip the DC contact protection up and press
firmly until it snaps into place.
14. Use a current clamp to ensure that no current is present in the DC cables.
15. Unlock and remove all DC connectors. Insert a flat-blade screwdriver or an angled
screwdriver (blade width: 3.5 mm) into one of the side slots and pull the DC connectors
straight out. Do not pull on the cable.
16. Ensure that no voltage is present at the DC inputs on the inverter.
17. Ensure that no voltage is present on the
AC connecting terminal plate between L and N
using a suitable measuring device. Insert a test
probe in each round opening of the terminal.
18. Ensure that no voltage is present on the
AC connecting terminal plate between L and PE
using a suitable measuring device. Insert a test
probe in each round opening of the terminal.
19. If you are using the multifunction relay, ensure that no voltage is present between any of the
terminals on the multifunction relay and PE on the AC connecting terminal plate.
20.
Damage to the inverter due to electrostatic discharge
Touching electronic components can cause damage to or destroy the inverter through
electrostatic discharge.
• Ground yourself before touching any component.
2 Safety SMA Solar Technology AG
Service Manual SB36-50SE-SG-en-10 10