
UPS2000-G-(3 kVA-20 kVA)-V2
User Manual (Two Live Wires)
7 Routine Maintenance
Issue 07 (2019-12-19)
Copyright © Huawei Technologies Co., Ltd.
90
Check Item
Expected Result
Troubleshooting
Maintenance
Interval
and no fault or alarm
information is
displayed in active
alarm or historical
alarms.
Cleanliness
Wipe the UPS
surface using a
white paper and the
paper does not turn
black.
Clean the dust,
especially in the
front panel.
Quarterly
Parameter
Check the output
voltage level and
frequency, the
number of batteries
and the actual
battery capacity.
Reset the
parameters.
Quarterly
Power cables and
terminals (between
the UPS and the
power distribution
cabinet)
The insulation layers
of cables are intact
and terminals are
free from noticeable
sparks.
Replace the
cables.
Secure the output
terminals.
Quarterly
EPO (if configured)
Check the reliability
of the EPO cable
connection.
Secure the terminals. Yearly
7.2 Battery Maintenance
Before installing batteries, read through the battery user manuals and pay attention to safety
precautions and connection methods provided by battery manufacture.
When installing and maintaining batteries, pay attention to the following points: