Huawei UPS2000-G-6KRTLL Quick Manual page 16

Alarm Alarm Sever
ID Name ity
20 Lithium Minor
battery
high
tempera
ture
protecti
on
21 Lithium Minor
battery
low
tempera
ture
protecti
on
22 Lithium Minor
battery
high
voltage
protecti
on
Clearance Trigger
Condition Condition
The cell •Charge high
temperatur temperature
e drops protection: The
below the maximum cell
protection temperature is
threshold. greater than
60°C.
•Discharge high
temperature
protection: The
maximum cell
temperature is
greater than
65°C.
The cell •Charge low
temperatur temperature
e rises protection: The
above the minimum cell
protection temperature is
threshold. less than 0°C.
•Discharge low
temperature
protection: The
minimum cell
temperature is
less than –20°C.
The cell or •The busbar
battery voltage is greater
string than 59.4 V in
voltage charging state.
drops •The maximum
below the cell voltage is
protection greater than 3.8
threshold. V.
•Considering cell
difference, the
maximum cell
voltage can be
3.9 V.
•The battery
string voltage is
greater than 55
V.
16
Impact Suggestion
on the
System
The Possible cause: The
internal ambient temperature
switch of the lithium battery
circuit of is too high. There are
the lithium abnormal heat sources
battery is around the lithium
disconnect battery.
ed, and Measure: If the lithium
the battery battery cannot be
cannot be recovered due to
charged or protection against
discharged abnormality, contact
. local Huawei
engineers to rectify
the fault.
The Possible cause: The
internal ambient temperature
switch of the lithium battery
circuit of is too low. The heater
the lithium cannot work properly.
battery is Measure: If the lithium
disconnect battery cannot be
ed, and recovered due to
the battery protection against
cannot be abnormality, contact
charged or local Huawei
discharged engineers to rectify
. the fault.
The Possible cause: The
internal busbar voltage input is
switch abnormal and exceeds
circuit of the normal range. The
the lithium cell consistency is
battery is abnormal. The
disconnect capacity attenuation is
ed, and too fast or the internal
the battery resistance is too large.
cannot be Measure: If the lithium
charged or battery cannot be
discharged recovered due to
. protection against
abnormality, contact
local Huawei
engineers to rectify
the fault.