Huawei UPS2000-G-6 kVA - Page 92

UPS2000-G-(6 kVA -20 kVA)
User Manual
7 Routine Maintenance
Issue 13 (2019-05-05)
Copyright © Huawei Technologies Co., Ltd.
84
Item
Expected Result
Measures
Maintenance Interval
temperature
displayed on the
LCD is less than
3°C.
Battery
specificatio
ns
The settings of
battery
management
parameters meet
the requirements
in the user
manual.
Set parameters correctly.
Quarterly
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
volta

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
(recommen
ded)
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
When the UPS is
backed up,
1. Locate the cause when
an exception is
Yearly