6.7 Self-test (For Italy)
Italian Standard CEI0-21 requires a self-test function for all inverter that connected to utility
grid. During the self-testing time, inverter will check the reaction time for over frequency,
under frequency, overvoltage and undervoltage. This self-test is to ensure the inverter is able
to disconnect from grid when required. If the self-test fails, the inverter will not able to feed
into the grid.
The steps of running Self-test are as followed:
Step 1: Connect a communication module (Wi-Fi/ 4G/Ethernet) with inverter (connection procedure can refer to eSolar
Module Quick Installation Manual)
Step 2: Select Italy for Country and choose your corresponding Grid Code from Initial Setting.
Step 3: You can choose self-test item required. Individual self-test time is approx. 5 minutes. All self-test time is approx. 40
minutes. After the self-test is completed, you can save the test report. If self-test is failed, please contact with SAJ or your
inverter supplier.
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