Opening and Closing SMA Solar Technology AG
44 WB33_38-IEN101830 Installation Guide
7.2 Opening the Inverter
1. Disconnect the line circuit breaker and secure against re-connection.
2. Stop the small wind turbine system and make sure that it will not restart.
3. Using a current probe, ensure that there is no
current to all DC cables.
☑ If there is a current present, check the
installation.
4. Unlock all DC connectors using a screwdriver:
– Insert a screwdriver into one of the side slits (1).
– Lever the screwdriver upward (2) and pull out
the plug connector (3).
5. Ensure that there is no voltage at the DC plugs at the inverter.
☑ If there is a voltage present, check the installation.
6. Pull out the AC plug.
7. Check whether all LEDs and the display have gone out.
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