Table 8-1 Routine maintenance items for UPSs
Check Item Expected Result Troubleshooting Maintenance
Interval
Operating
environment
● Ambient
temperature: 0–
40°C
● Humidity: 0–
95% RH (non-
condensing)
● If the humidity
and
temperature
are abnormal,
check the air
conditioner
status.
● If the input
voltage is
abnormal,
check the
power grid
status and
input cable
connection.
Monthly
Control panel Check that all
units are
operating properly
by observing the
status icons on the
LCD, and no fault
or alarm
information is
displayed in active
alarm or historical
alarms.
If an alarm is
present, rectify the
fault by checking
the device status
and parameters.
Monthly
Cleanliness Wipe the cabinet
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 external
power distribution
equipment)
The insulation
layers of cables
are intact and
terminals are free
from noticeable
sparks.
● Replace the
cables.
● Secure the
output
terminals.
Quarterly
UPS2000-A-(1 kVA-3 kVA)
User Manual 8 Routine Maintenance
Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd. 81
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