Step 5 Turn o the DC switch between the Smart PCS and the ESS.
Step 6 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.
Figure 8-2 Power-o for maintenance
----End
Follow-up Procedure
After the system is powered o, wait for 30 minutes and troubleshoot or repair
the Smart PCS.
● Do not open the panel for maintenance if the Smart PCS is emitting abnormal
smell or smoke, or has obvious exceptions.
● If the Smart PCS does not emit abnormal smell or smoke and is intact, repair or
restart it based on the alarm handling suggestions.
8.3 Alarm Reference
For details about alarms, see the Smart Power Control System Alarm Reference.
LUNA2000-213KTL-H0 Smart Power Control System
User Manual 8 Device Maintenance
Issue 04 (2024-12-30) Copyright © Huawei Technologies Co., Ltd. 81
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