SmartLi
User Manual
8 Replacing Parts
Issue 04 (2019-09-16)
Copyright © Huawei Technologies Co., Ltd.
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8.2 Replacing the Battery Management Module
Prerequisites
Tools: Phillips screwdriver, key to the cabinet door
Materials: a new and intact battery management module
The SmartLi is not discharging.
Before the replacement, ensure that the load services are not affected or obtain written consent
from the customer.
Procedure
Step 1
Turn off the battery circuit breaker. Press and hold down the POWER ON/OFF button on the
battery management module for more than 5s to power off the cabinet.
Step 2
Turn off the ready switch on the battery management module.
Step 3
Remove the bolts that secure the battery management module and pull out the battery
management module.
Step 4
Install the new battery management module and secure it.
Step 5
Turn on the ready switch on the battery management module.
Step 6
Press and hold the POWER ON/OFF button on the battery management module for more than
2s. The green indicator of the battery management module blinks at 4 Hz.
If the
Version incompatible
alarm is generated, you need to upgrade the version before
turning on the battery circuit breaker.
Step 7
After the green indicator of the battery management module blinks at 10 Hz, turn on the
battery circuit breaker on the SmartLi.
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8.3 Replacing the Battery Module
Prerequisites
Tools: Phillips screwdriver, insulated socket wrench, insulation gloves, key to the cabinet
door
