3.4.1 Power Supply and Distribution System
Table 3-3 Monthly maintenance checklist for the power supply and distribution system
Maintenanc
e Item
Method Check Standard Troubleshooting
Integrated
UPS
Operating
environment
● Ambient
temperature:
0–40°C
● Humidity:
5%–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 smart cooling
product status.
● Put rodent-proof bae 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, or
415 V AC
(line voltage)
● Output
voltage: 380
V AC, 400 V
AC, or 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.
FusionDC1000A Prefabricated All-in-One Data
Center
Maintenance Guide (IT Scenario) 3 Routine Maintenance
Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd. 27