SMA SB 2500 Installation - Manual (Page 44)

Opening and Closing SMA Solar Technology AG
44 SB25-30-IA-en-51 Installation Manual
7 Opening and Closing
7.1 Safety
7.2 Opening the Inverter
1. Disconnect the miniature circuit-breaker and secure against reconnection.
2. If an external DC switch-disconnector is present, disconnect the external DC switch-
disconnector.
3. If an Electronic Solar Switch is installed, pull the
Electronic Solar Switch downwards, slightly
towards the wall.
4. Using a current probe, ensure that no current is
present at any of the 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.
The internal component parts of the inverter can be irreparably damaged by electrostatic
discharge.
• Earth yourself before touching a component part.