38 SB3-5TL-21-BE-en-10 Operating Manual
7 Initial Start-Up SMA Solar Technology AG
After the self-test has been completed, the inverter automatically switches back to the feed-in
operation, resets the original shutdown conditions and connects to the utility grid. The test takes
approx. three minutes.
Requirements:
☐ Configured country data set: CEI 0-21 Int or CEI 0-21 internal or amended country data set
trimmed or special setting based on one of the country data sets mentioned above.
☐ A report for entering the test results according to CEI 0-21 must be available.
☐ The inverter must be in operation and in the start phase.
Procedure:
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, page 39).
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.
✖ The information Autotest interroto is shown in the display?
The self-test was cancelled due to an unexpected disconnection condition or the DC voltage was
too low so that the grid feed-in could not continue.
• Restart the self-test (see Section 7.5.2, page 39).
Example: Display messages for overvoltage test
- Name of the test: Autotest (59.S1) 240.00V
- Disconnection value: Valore di soglia con 230.00V
- Normative value: Va. taratura 253.00V
- Disconnection time: Tempo die intervento 0.02 s
- Current line voltage: Tensione di rete Val.eff.: 229.80V
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