Quarterly Maintenance; Annual Maintenance - Huawei UPS5000-S-35K User Manual

UPS5000-S-(35 kVA-210 kVA)
User Manual (Singapore, 35 kVA Power Modules)

6.1.2 Quarterly Maintenance

Table 6-2 Quarterly maintenance

6.1.3 Annual Maintenance

Table 6-3 Annual maintenance
Issue 02 (2020-01-10)
Check Item Expected Result
 Output voltage: 380 V AC, 400
V AC, or 415 V AC (tolerance
± 1%, line voltage)
 Frequency: 40–70 Hz
Information on The status icons on the LCD
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.
Check Item Expected Result
Cleanliness Wipe the cabinet surface using a
white paper and the paper does not
turn black.
Parameter The configuration of the output
configuration
voltage grade, frequency, number
of batteries, and battery capacity
meets requirements.
Status record Record the three-phase load rate
and output power factor.
Shallow Conduct a shallow discharge test
discharge test when the UPS is backed up to
(recommended) verify that the batteries can
discharge normally.
Check Item
Grounding
Power cables and terminals
(between the UPS and the
power distribution cabinet)
Copyright © Huawei Technologies Co., Ltd.
Expected Result
Check that the ground
cables are connected
securely.
The insulation layer of
cables is intact and terminals
are free from black marks
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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