Quarterly Maintenance - Huawei UPS5000-S-400K-SM User Manual

UPS5000-S-(350 kVA-800 kVA)
User Manual

6.2.3 Quarterly Maintenance

Table 6-5 Quarterly maintenance
Item
Battery temperature
sensor measurement
accuracy
Battery management
parameter settings
Tightness of battery
screws
Cables between
batteries
Battery voltage
Issue 12 (2023-05-26) Copyright © Huawei Digital Power Technologies Co., Ltd.
Expected Result
The difference between
the temperature
measured by the
temperature sensor and
the temperature displayed
on the MDU is less than
3°C.
The settings of battery
management parameters
meet the requirements in
the user manual.
The location of the signs
marked on battery
terminals indicating tight
connections does not
change.
No cable deteriorates and
the insulation layer does
not crack.
● Equalized charging
voltage: 2.35 V/cell
±0.02 V/cell
● Float charging voltage:
2.25 V/cell ±0.02 V/cell
6 Routine Maintenance
Troubleshooting
1. Install the temperature
sensor in the correct
position.
2. Replace the battery
temperature sensor.
Set parameters correctly.
Take photos from multiple
angles and contact Huawei
technical support.
Replace the faulty cable.
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.
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