Operating Manual SB3-5TL-21-BE-en-10 39
SMA Solar Technology AG 7 Initial Start-Up
7.5.2 Restarting the Self-Test
1. Disconnect the circuit breaker and secure against reconnection.
2. If the multi-function relay is used, switch off the load supply voltage, if necessary.
3. If an external DC load-break switch is in use, switch it off for five minutes and then switch it on
again.
4. If an ESS is in use, pull it out of the inverter for five minutes and then plug it in again firmly.
5. Recommission the inverter.
☑ The inverter is now back in the start phase and you can start the self-test once again
(see Section 7.5.1, page 37).
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