Huawei LUNA2000-200KWH-2H1 - 2 Product Description; 2.1 Model Description; 2.2 Functions and Features

Step 3 Open the AC maintenance compartment door, install a support bar, and use a
multimeter to check the voltage between the AC terminal block and the ground.
Ensure that the AC side of the Smart PCS is powered o.
Step 4 Turn o DC switch 1Q2 in the ESS.
Step 5 Open the DC maintenance compartment door, install a support bar, and use a
multimeter to check the voltage between DC terminal blocks. Ensure that the DC
side of the Smart PCS is powered
o.
----End
Powering
O the ESS
Step 1 Turn o all switches in the power distribution system of the ESS.
1. On the embedded power subrack (SK1), turn
o the DC/DC switch 2FCB1, DC
light power switch 2FCB2, TCUE switch 2FCB3, fan 1 switch 2FCB6, fan 2
switch 2FCB7, air conditioner 1 switch 2FCB8, and air conditioner 2 switch
2FCB9 in sequence.
2. (Optional) Turn
o the 220 V maintenance socket switch 1FB1.
3. Turn o the PSU switch 1FCB2.
4. Turn o the 12 V adapter switch 1FCB1.
Step 2 Turn
o the AC main switch 1FCB.
Step 3 (Optional) Turn o the UPS cable inlet switch 5FCB.
Step 4 Turn
o the DC switch 1Q1.
----End
2.2.4 Powering
O the Power Supply Loop of the AC Power
Distribution Cabinet
Step 1 Turn
o the switches between the AC power distribution cabinet and the ESS.
----End
2.3 Routine Maintenance
2.3.1 Unscheduled Maintenance
Log in to the SmartLogger WebUI/CMU WebUI/FusionSolar app/SmartPVMS and
check whether there are major or minor alarms.
NO TE
For details, see the software user manuals.
LUNA2000-200KWH-2H1 Smart String ESS
Maintenance Manual 2 Routine Maintenance
Issue 02 (2023-02-28) Copyright © Huawei Digital Power Technologies Co., Ltd. 24