UPS2000-G-(6 kVA-20 kVA)
User Manual
7 Routine Maintenance
Issue 10 (2017-01-19)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
89
Item
Expected Result
Measures
Maintenan
ce Interval
specifications
management parameters
meet the requirements
in the user manual.
Tightness of bolts on
battery terminals
The location of the
signs marked on battery
terminals indicating
tight connections does
not change.
Take photos from
multiple angles and
contact Huawei technical
support.
Quarterly
Cables between
batteries
No cable deteriorates
and the insulation layer
does not crack.
Replace the faulty cable.
Quarterly
Battery voltage
Equalized charging
voltage: 14.1 V ±
0.1 V
Float charging
voltage: 13.5 V ±
0.1 V
1.
Check whether the
equalized charging
voltage and float
charging voltage of a
battery are normal.
2.
If the charging
voltage of a battery
exceeds the
specifications
requirement, perform
a complete forcible
equalized charging
for the battery, and
check again whether
the voltage is normal.
3.
If the fault persists,
contact Huawei
technical support.
Quarterly
Shallow discharge
test (recommended)
Conduct a shallow
discharge test when the
UPS is backed up to
verify that the batteries
can discharge normally.
1.
Locate the cause
when an exception is
identified.
2.
If the fault persists,
contact Huawei
technical support.
Quarterly
Capacity Test
(recommended)
When the UPS is
backed up, discharge a
battery to the
undervoltage alarm
threshold, to refresh the
capacity of the battery.
1.
Locate the cause
when an exception is
identified.
2.
If the fault persists,
contact Huawei
technical support.
Yearly
Battery connection
reliability
1.
Each battery
terminal is
connected reliably.
(When battery
strings are powered
off, check the
reliability of each
1.
Rectify any abnormal
connection.
2.
If the fault persists,
contact Huawei
technical support.
Yearly