Step 2 Set the DC SWITCH to ON.
Step 3 Turn on the AC switch between the inverter and the power grid.
Step 4 Observe the LED indicators on the inverter and check that the AC indicator is
blinking green slowly.
Step 5 Hold down the black start button for 5s to activate the ESS. (Skip this step if the
ESS has been started.)
Step 6 Connect the inverter on the app. Tap Monitor on the home screen, tap the ESS
icon, and check that all Energy Storage Modules are online.
Step 7 Choose Maintenance > Battery maintenance > Forced charge/discharge, set
Working Mode to Maintenance charge, and enable Maintenance charge.
Step 8 Check that the circular SOC indicator stops blinking or the status displayed on the
app is Charging completed.
Step 9 After the charging is complete, turn o the AC switch between the inverter and
the power grid, and then set the DC SWITCH to OFF. If other ESSs need to be
charged, repeat the preceding steps.
----End
LUNA2000-(5-30)-S0
User Manual 8 System Maintenance
Issue 15 (2024-01-12) Copyright © Huawei Digital Power Technologies Co., Ltd. 135
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