Figure 9-1 Replacing a fuse
Step 5 Reinstall the fuse cover.
Step 6 Reinstall the BCU.
Step 7 Press and hold the POWER ON/OFF button on the BCU for more than 2s. The
green indicator of the BCU blinks at 4 Hz.
Step 8 After the green indicator of the BCU blinks at 10 Hz and the red indicator is steady
on, switch on the battery circuit breaker on the SmartLi.
----End
9.5 Upgrading Software
NO TICE
● If a Version incompatible alarm is generated during the replacement of the
MDU, battery module, or BCU, upgrade the software version.
● Ensure that the software of the required version is available before upgrading
the software.
● When upgrading the software on the LCD, save the software to a USB flash
drive and connect it to the USB port on the MDU.
● When upgrading the software on the WebUI, save the software to a portable
computer and log in to the WebUI.
● Perform the upgrade when the system is not in discharge state and the BCB
status is the same (all are closed or open).
● Before the upgrade, ensure that the load services are not affected or obtain
written consent from the customer.
WebUI
Choose Maintenance > Software Upgrade, select Select a file, find the correct
package in the corresponding path, click the file, choose Open, and click Upload.
SmartLi 2.0
User Manual
9 Parts Replacement
Issue 09 (2022-01-30)
Copyright © Huawei Technologies Co., Ltd.
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