Routine Maintenance; Ups Maintenance; Monthly Maintenance - Huawei UPS5000-E-12 User Manual

UPS5000-E-(40 kVA-320 kVA)
User Manual

6.1 UPS Maintenance

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6.1.1 Monthly Maintenance

Table 6-1 Monthly Maintenance
Check Item
Operating environment
Liquid crystal display
(LCD)
Issue 10 (2015-09-15)
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.
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6

Routine Maintenance

Expected Result
 Ambient temperature:
0–40° C
 Humidity: 0–95% RH
(non-condensing)
According to the status
icons on the LCD, all units
are operating properly. No
6 Routine Maintenance
Troubleshooting
 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.
If an alarm is present, rectify
the fault by checking the
device status and
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