Huawei UPS2000-G-6KRTLL User Manual page 86

UPS2000-G-6KRTLL
User Manual
Alarm ID Alarm
Name
41 Lithium
battery
high
voltage
protection
Issue 02 (2022-06-30)
Severity Clearance
Condition
Minor The cell or
battery
string
voltage
drops
below the
protection
threshold.
Copyright © Huawei Technologies Co., Ltd.
Trigger Impact on
Condition the System
● The ● The
busbar internal
voltage switch
is circuit of
greater the
than lithium
59.4 V in battery
charging is
state. disconne
cted,
● The
and the
maximu
battery
m cell
cannot
voltage
be
is
charged
greater
or
than 3.8
discharg
V.
ed.
NOTE
● The ALM
Conside
indicator
ring cell
differen
on the
ce, the
faulty
maximu
lithium
m cell
battery
voltage
turns
can be
red.
3.9 V.
● The
battery
string
voltage
is
greater
than 55
V.
4 Control Panel
Suggestion
Possible
cause: The
busbar
input
voltage
exceeds the
normal
range, 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.
80