Huawei UPS2000-G - Page 152

Check
Item
Expected
Result
Troubleshooting Maintenance Interval
Tightness
of battery
screws
The location of
the signs
marked on
battery terminal
screws
indicating tight
connections
does not
change.
Take photos from
multiple angles and
contact technical
support in a timely
manner.
Quarterly
Cables
between
batteries
No cable
deteriorates and
the insulation
layer does not
crack.
Replace the faulty
cable.
Quarterly
Battery
voltage
● Equalized
charge
voltage: 14.1
V (tolerance:
±0.1 V)
● Float charge
voltage: 13.5
V (tolerance:
±0.1 V)
1. Check whether the
equalized charge
voltage and oat
charge voltage of a
battery are normal.
2. If the charging
voltage of a battery
exceeds the
specications
requirement,
perform a complete
forcible equalized
charging for the
battery, and check
again whether the
voltage is normal.
3. If the fault persists,
contact technical
support.
Quarterly
Shallow
discharge
test
(recomme
nded).
Conduct a
shallow
discharge test
when the UPS is
backed up to
verify that the
batteries can
discharge
properly.
1. Identify the cause
when an exception
occurs.
2. If the fault persists,
contact technical
support.
Quarterly
UPS2000-G-(6 kVA–20 kVA)
User Manual (Lead-Acid Battery) 8 Routine Maintenance
Issue 23 (2024-03-15) Copyright © Huawei Digital Power Technologies Co., Ltd. 144