SMA WB 3000-21 Installation - Manual (Page 48)

7 Initial Start-Up SMA Solar Technology AG
48 WB3-5TL-21-IA-en-10 Installation Manual
1. As soon as the configured country data set appears in the display, tap once on the display
within ten seconds.
☑ A message informing you that the self-test has started is shown in the display:
Avvio Autotest.
✖ The message Avvio Autotest is not shown in the display?
Ten seconds have passed and the self-test has not started.
• Restart the self-test (see Section 7.5.2).
2. Tap on the display within 20 seconds and enter the test results that follow into the test report.
☑ The self-test starts.
☑ The inverter displays the results of the individual tests for overvoltage, undervoltage,
maximum frequency and minimum frequency. The results are displayed three times in
succession for ten seconds each.
7.5.1 Abortion of the Self-Test
If, during the self-test, an unexpected disconnection requirement occurs, the self-test is aborted.
The same applies if the DC voltage is so low that the feed-in cannot be continued.
• A message informing you that the self-test has been aborted is shown in the display for ten
seconds: Autotest interroto.
• Restart the self-test (see Section 7.5.2).
7.5.2 Restarting the Self-Test
1. Stop the small wind turbine system and secure against restart.
2. Disconnect the miniature circuit-breaker and secure against re-connection.
3. If the multi-function relay is used, switch off the load supply voltage, if necessary.
4. Remove the ESS from the inverter for five minutes and then plug it in again.
5. Commission the inverter again (see section 7.4).
☑ The inverter is once again in the start phase and you can start the self-test (see Section 7.5).
Example: Display messages for overvoltage test
• Test name: Autotest Vac Max
• Current line voltage: Vac Max 245,0 V
• Disconnection value: Valore di soglia 233,0 V
• Calibration value: Valore die taratura 276,0 V
• Reaction time: Tempo die intervento 0,08 s