Huawei UPS5000-E-12 User Manual page 211

UPS5000-E-(40 kVA-320 kVA)
User Manual
Item
Battery specifications
Capacity Test
(recommended)
Tightness of screws on
battery terminals
Battery voltage
Issue 10 (2015-09-15)
Expected Result
2. The ambient battery
temperature is 25± 5° C.
Settings of parameters,
including the capacity,
number of batteries, and
charging current limiting
coefficient, are consistent
with configured batteries.
When the UPS is backed up,
discharge a battery to the
undervoltage alarm
threshold, to refresh the
capacity of the battery.
Battery terminals and cables
are in good contact. (A
torque wrench is used for
checking the contact.)

Equalized charging
voltage: 2.35 V/cell ±
0.02 V/cell

Float charging voltage:
2.25 V/cell ± 0.02 V/cell
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
6 Routine Maintenance
Troubleshooting
2. If the fault persists,
contact Huawei technical
support.
Set parameters correctly.
1. Locate the cause when
an exception is
identified.
2. If the fault persists,
contact Huawei technical
support.
Tighten the terminals and
ensure that battery terminals
and cables are in good
contact.
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.
202