Huawei SmartLi 1.0 User Manual page 122

SmartLi 1.0
User Manual
Alarm ID Alarm Name
(Alarm ID-
Cause ID)
0636-2 Battery module
balance alarm
0620-10 Battery control
unit fault
0620-11 Battery control
unit fault
0620-12 Battery control
unit fault
0021-6 Battery EOD
0220-3 Abnormal SOH
0651-1 Fire extinguisher
started
Issue 08 (2022-11-15)
Severity
Minor
Critical
Critical
Critical
Critical
Minor
Critical
Copyright © Huawei Digital Power Technologies Co., Ltd.
Cause
The
electrochemical
cell temperature
consistency is
poor.
The voltage
sampling circuit is
faulty.
The current CT
sampling circuit is
faulty.
● The battery
input cable is
not connected.
● The battery
input fuse is
open-circuited.
● The battery
control unit is
faulty.
The battery
voltage reaches
the EOD threshold
due to continuous
discharge.
The state of
health of a
battery is
abnormal.
● The fire
extinguisher in
the battery
cabinet is
triggered.
● The fire
extinguisher
cylinder in the
battery cabinet
leaks.
A Alarm List
Solution
Replace the battery module.
Replace the battery control
unit.
Replace the battery control
unit.
1. Check the battery cable
connection.
2. Replace the input fuse.
3. Replace the battery control
unit.
Check the mains, turn on the
BCB switch and charge
batteries in time.
1. Fully charge the batteries,
and perform a capacity
test.
2. Replace the abnormal
battery.
1. Check the terminal
firefighting pressure gauge
in the battery cabinet.
2. Replace the firefighting
bottle.
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