Step 2 Send a shutdown command on the SUN2000 app, SmartLogger, or management
system.
Step 3 Turn o the AC switch between the Smart PCS and the power grid or load.
Step 4 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 5 Turn o the DC switch between the Smart PCS and the DC LV Panel busbar.
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.
Step 7 Wait for 15 minutes and troubleshoot or repair the Smart PCS.
Figure 8-3 Power-o for maintenance
● 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.
----End
8.3 Alarm Reference
For details about alarms, see the LUNA2000-100KTL and 200KTL Series Smart
Power Control System Alarm Reference.
LUNA2000-200KTL-H1 Smart Power Control System
User Manual 8 Device Maintenance
Issue 08 (2024-01-23) Copyright © Huawei Technologies Co., Ltd. 72
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