UPS2000-G-(1 kVA-3 kVA)
User Manual
7 Routine Maintenance
Issue 08 (2017-08-04)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
57
Item
Expected Result
Measures
Maintenance
Interval
2.
The battery
operating
temperature is
lower than
battery
tempe
20°C.
3.
Battery charge
and discharge
conditions meet
the requirements
specified in the
battery
specifications.
temperature.
2.
If the fault
persists, contact
Huawei technical
support.
Charge voltage of
battery string
Equalized
voltage 14.16 V
x Number of
batteries
(tolerance ±1%)
Float voltage
13.68 V x
Number of
batteries
(tolerance ±1%)
1.
If the voltage
drop between the
battery string
output terminals
and the battery
input terminals at
the UPS side is
greater than 1%
of the battery
string voltage,
check whether
the cable
between the
battery string and
the UPS is
excessively long,
or the cable
diameter is
excessively
small.
2.
Check whether
the equalized
charging voltage
and float
charging voltage
are correctly set
for the UPS.
3.
If the fault
persists, contact
Huawei technical
support.
Monthly
Battery temperature
sensor measurement
accuracy
The difference
between the
temperature
measured by the
temperature sensor
and the temperature
1.
Install the
temperature
sensor in the
correct position.
2.
Replace the
battery
Quarterly