Procedure
Step 1 Press and hold the RST button for 1s to 3s to power on the CMU's built-in WLAN
module.
● If the ALM indicator blinks green quickly for 2 minutes and other indicators are o, the
WLAN module is powered on.
● If the WLAN module is not connected to the app, the WLAN module is automatically
powered
o after being powered on for 4 hours.
Step 2 In the SUN2000 app, select a connection mode.
● The screenshots in this section correspond to the SUN2000 app 6.22.10.117 (Android).
● Use the initial password for the rst login and change it immediately after login. To
ensure account security, protect the password by changing it periodically, and keep it
secure. Your password might be stolen or cracked if it is left unchanged for extended
periods. If a password is lost, devices cannot be accessed. In these cases, the Company
shall not be liable for any loss caused to the plant.
1. Tap Manual connection and select a product icon.
– The CMU has a built-in WLAN module. The initial name of the WLAN hotspot is
SN of the Monitor-CMU, and the initial password is Changeme.
– If Changeme cannot be used for the
rst login, obtain the initial password from
the QR code on the CMU.
Figure B-1 Manual connection
2. Tap Connect and scan the QR code on the CMU.
LUNA2000-2.0MWH Series Smart String ESS
User Manual B APP Commissioning
Issue 08 (2022-11-15) Copyright © Huawei Technologies Co., Ltd. 240
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