Huawei UPS2000-G-6KRTLL - Page 79

Alarm ID Alarm
Name
Severity Clearance
Condition
Trigger
Condition
Impact on
the System
Suggestion
21 Lithium
battery low
temperatur
e protection
Minor The cell
temperatur
e rises
above the
protection
threshold.
● Charge
low
temperat
ure
protectio
n: The
minimu
m cell
temperat
ure is
less than
0°C.
● Discharg
e low
temperat
ure
protectio
n: The
minimu
m cell
temperat
ure is
less than
–20°C.
● 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
ambient
temperatur
e of the
lithium
battery is
too low or
the heater
cannot
work
properly.
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. 73