Huawei UPS2000-G-6KRTLL - Page 80

Alarm ID Alarm
Name
Severity Clearance
Condition
Trigger
Condition
Impact on
the System
Suggestion
23 Lithium
battery low
voltage
protection
Minor The cell
voltage and
battery
string
voltage rise
above the
respective
protection
thresholds.
The lithium
battery
voltage is
less than 44
V.
The
minimum
cell voltage
is less than
2.5 V.
● The
internal
switch
circuit of
the
lithium
battery
is
disconne
cted,
and the
battery
cannot
be
charged
or
discharg
ed.
● The ALM
indicator
on the
faulty
lithium
battery
turns
red.
Possible
cause: The
mains
power has
failed for
an
extended
period, or
the cells are
inconsistent
and certain
cells
experience
fast
capacity
attenuation
or large
internal
resistance.
Measure: If
the lithium
battery
cannot be
recovered
due to
protection
against
abnormality
, contact
local
Huawei
engineers
to rectify
the fault.
UPS2000-G-6KRTLL
User Manual 4 Control Panel
Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd. 74