Huawei UPS2000-G-6KRTLL - Page 86

Alarm ID Alarm
Name
Severity Clearance
Condition
Trigger
Condition
Impact on
the System
Suggestion
41 Lithium
battery
high
voltage
protection
Minor The cell or
battery
string
voltage
drops
below the
protection
threshold.
● The
busbar
voltage
is
greater
than
59.4 V in
charging
state.
● The
maximu
m cell
voltage
is
greater
than 3.8
V.
NOTE
Conside
ring cell
dieren
ce, the
maximu
m cell
voltage
can be
3.9 V.
● The
battery
string
voltage
is
greater
than 55
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
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.
UPS2000-G-6KRTLL
User Manual 4 Control Panel
Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd. 80