Huawei FusionModule5000 Maintenance Manual page 22

FusionModule5000 Smart Modular Data Center
Maintenance Guide (ECC800)

Only trained personnel are allowed to perform maintenance. Before performing operations
on devices, wear electrostatic discharge (ESD) clothes, ESD gloves, and an ESD wrist
strap. Remove conductive objects such as jewelry and watches to avoid electric shocks or
burns.

Use insulated tools when maintaining components inside the UPS. Only trained personnel
are allowed to perform maintenance. Customers are not allowed to maintain the
components inside protective covers that could only be removed using tools. If the
components are to be maintained, contact Huawei technical support.

Only maintenance engineers are allowed to maintain the power module and bypass
module.

Maintain UPSs regularly based on the following requirements. Otherwise, the UPSs may
fail to operate properly and the lifespan may be shortened.
Table 2-7 UPS routine maintenance items
Mainten
ance
Item
Operating
Environm
ent
Power
grid
environme
nt
Informatio
n on the
LCD
Issue 01 (2019-03-05)
Maintenance Period
Monthly
Monthly
Monthly
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Standard
 Ambient
temperature: 0–40° C

Humidity: 0% to
95% RH
(non-condensing)
 Rodent-proof
measures have been
taken for the
equipment room.
 The equipment room
is airtight.

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
The status icons on the
LCD indicate that all
units are operating
properly, all operating
2 Routine Maintenance
Troubleshooting
 If the temperature or
humidity 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.

If the input voltage
is abnormal, check
the power grid and
input cable
connection.

If the output voltage
is abnormal, check
the UPS running
status and check
whether an alarm is
generated.
If an alarm is present,
rectify the fault by
checking the device
status and parameters.
14