Step 2 Deliver a shutdown command on the SUN2000 app, SmartLogger, or management
system.
Step 3 Turn o the AC switch between the Smart PCS and the grid.
Step 4 Open the AC maintenance compartment door, install a support bar, and use a
multimeter to measure the voltage between the AC terminal block and the
ground. Ensure that the AC side of the Smart PCS is disconnected.
Step 5 Turn
o the DC switches between the Smart PCS and the ESS.
Step 6 Open the DC maintenance compartment door, install a support bar, and use a
multimeter to measure the voltage between the DC terminal blocks. Ensure that
the DC side of the Smart PCS is disconnected.
Step 7 Wait for 15 minutes and then troubleshoot or repair the Smart PCS.
Figure 7-3 Powering
o the Smart PCS
● Do not open the panel for maintenance if the Smart PCS is emitting odor or
smoke, or exhibits other obvious problems.
● If the Smart PCS does not emit odor or smoke and is intact, repair or restart it
based on the alarm handling suggestions.
----End
LUNA2000-100KTL-M1 Smart Power Control System
User Manual 7 Device Maintenance
Issue 02 (2023-01-10) Copyright © Huawei Technologies Co., Ltd. 75
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