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