Huawei LUNA2000-2.0MWH Series - What Should I Do if the ESU Cable Connection Detection Abnormal Alarm Is Generated on the Webui; How Do I Perform a Dielectric Voltage Withstand Test on the AC Side of an ESS

11.6 What Should I Do If the ESU Cable Connection
Detection Abnormal Alarm Is Generated on the
WebUI?
Step 1 Press the reset button ( ) in the upper right corner of the ESU screen. The ESU
restarts cable connection detection.
NO TE
If the alarm persists, contact your dealer or technical support.
----End
11.7 How Do I Perform a Dielectric Voltage Withstand
Test on the AC Side of an ESS?
Prerequisites
1. Turn on the main switch of the AC circuit breaker, as shown by ① in the
gure. Turn o other switches.
NO TE
Make sure the power switch of the 3 U or 2 U subrack is o, as shown by ② in the
gure.
2. Remove the SMU from the 3 U or 2 U subrack, as shown by ③ in the gure.
3. Disconnect the power meter fuse, as shown by ④ in the gure.
4. Disconnect the main neutral wire, as shown by ⑤ in the gure.
Figure 11-4 3U subrack positions
LUNA2000-2.0MWH Series Smart String ESS
User Manual 11 FAQ
Issue 08 (2022-11-15) Copyright © Huawei Technologies Co., Ltd. 222