5.1.1 Monthly Maintenance
Table 5-1 Monthly maintenance
Check Item
Expected Result
Troubleshooting
Operating
environment
● Ambient temperature: 0–
40°C
● Humidity: 0–95% RH (non-
condensing)
● Rodent-proof measures
have been taken for the
equipment room.
● The equipment room is
airtight.
● If the humidity or
temperature is abnormal,
check the air conditioner
status.
● Put rodent-proof baffle
plates at the door of the
UPS equipment room.
● Check that the equipment
room is airtight and not in
a direct ventilation
environment.
Power grid
environment
● Input voltage: 380 V
AC/400 V AC/415 V AC
(line voltage)
● Output voltage: 380 V
AC/400 V AC/415 V AC
(tolerance: ±1%, line
voltage)
● Frequency: 40–70 Hz
● If the input voltage is
abnormal, check the power
grid status and input cable
connection.
● If the output voltage is
abnormal, check the UPS
running status and check
whether an alarm is
generated.
Information
on the LCD
The status icons on the LCD
indicate that all units are
operating properly, all
operating parameters are
within their normal ranges,
and no fault or alarm
information is displayed.
If an alarm is generated,
rectify the fault by checking
the device status and
parameters.
5.1.2 Quarterly Maintenance
Table 5-2 Quarterly maintenance
Check Item
Expected Result
Troubleshooting
Cleanliness
Wipe the cabinet surface using
a white paper and the paper
does not turn black.
Remove the dust, especially
from the air filter on the front
door, or replace the air filter.
UPS5000-E-(30 kVA–120 kVA)-FM
User Manual
5 Routine Maintenance
Issue 03 (2022-01-30)
Copyright © Huawei Technologies Co., Ltd.
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