Routine Maintenance; Ups Maintenance; Monthly Maintenance - Huawei UPS5000-S Series User Manual

UPS5000-S-(40 kVA-200 kVA)
User Manual (IP42, 40 kVA Power Modules)

6.1 UPS Maintenance

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6.1.1 Monthly Maintenance

Table 6-1 Monthly maintenance
Issue 03 (2020-01-10)
Only trained personnel are allowed to perform maintenance. Before performing operations
on the UPS, wear electrostatic discharge (ESD) clothes, ESD gloves, and an ESD wrist
strap. Remove conductive objects such as jewelry or watches during operations to avoid
electric shocks or burns.
Use insulated tools when maintaining internal devices. Only trained personnel are allowed
to perform maintenance. Customers are not allowed to maintain components behind
protective covers that can be removed only using tools. If the components are to be
maintained, contact Huawei technical support.
Only maintenance engineers can maintain power modules and bypass modules.
Maintain UPSs regularly based on the following requirements. Otherwise, the UPSs may
fail to operate properly and the service life may be shortened.
Check Item Baseline Requirement
Operating  Ambient temperature: 0–50° C
environment
 Humidity: 0% to 95% RH
(non-condensing)
 Rodent-proof measures have
been taken for the equipment
room.
 The equipment room is airtight.
Power grid  Input voltage: 380 V AC/400 V
environment AC/415 V AC (line voltage)
 Output voltage: 380 V AC/400
Copyright © Huawei Technologies Co., Ltd.
6

Routine Maintenance

6 Routine Maintenance
Troubleshooting Method
 If the temperature or humidity
is abnormal, check the air
conditioner status.
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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
status and input cable
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