Quarterly Maintenance; Annual Maintenance - Huawei UPS5000-S-300 kVA User Manual

UPS5000-S-300 kVA User Manual
(3P3W, 200 V)
Check Item
Information on
the LCD

6.1.2 Quarterly Maintenance

Table 6-2 Quarterly maintenance
Check Item
Cleanliness
Parameter
configuration
Status record
Shallow
discharge test
(recommended)

6.1.3 Annual Maintenance

Table 6-3 Annual maintenance
Check Item
Grounding
Power cables and terminals
(between the UPS and the
power distribution cabinet)
Issue 01 (2020-03-06)
Expected Result
voltage)
 Frequency: 40–70 Hz
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.
Expected Result
Wipe the cabinet surface using a
white paper and the paper does not
turn black.
The configuration of the output
voltage grade, frequency, number
of batteries, and battery capacity
meets requirements.
Record the three-phase load rate
and output power factor.
Conduct a shallow discharge test
when the UPS is backed up to
verify that the batteries can
discharge normally.
Expected Result
Check that the ground
cables are connected
securely.
The insulation layer of
cables is intact and terminals
are free from black marks
Copyright © Huawei Technologies Co., Ltd.
6 Routine Maintenance
Troubleshooting
connection.

If the output voltage is
abnormal, check the UPS
running status and check
whether an alarm is generated.
If an alarm is generated, rectify the
fault by checking the device status
and parameters.
Troubleshooting
Remove the dust, especially from
the air filter on the front door, or
replace the air filter.
Reset the parameters.
If an exception occurs, check the
load status.
If an alarm is generated, refer to
the alarm list.
Troubleshooting
Tighten the screws.

Replace the cables.
 Secure the output
terminals.
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