SMA Solar Technology AG Opening and Closing
Installation Guide SB13_21TL-IA-IEN121060 39
7 Opening and Closing
7.1 Safety
7.2 Opening the Inverter
1. Disconnect the miniature circuit-breaker and prevent it from being reactivated.
2. If an external DC switch-disconnector is available, disconnect it.
3. If an Electronic Solar Switch is installed, pull it
downwards, slightly towards the wall.
4. Using a current probe, ensure that no current is
present at all DC cables.
☑ If current is present, check the installation.
DANGER!
Risk of lethal electric shock.
Before opening the inverter observe the following:
• Ensure that no voltage is present on the AC side
• Ensure that neither voltage nor current is present on the DC side.
NOTICE!
Electrostatic discharges can damage the inverter.
Internal components of the inverter can be irreparably damaged by electrostatic
discharge.
• Ground yourself before touching a component.