Check Item
Expected Result
Troubleshooting
Battery
appearance
1. The surface is clean and tidy
without stains.
2. The battery terminals are
intact.
3. Batteries are free from
damage and cracks.
4. Batteries are free from acid
or electrolyte leakage.
5. Batteries are not deformed
or bulged.
If an exception occurs, contact
technical support.
Table 7-2 Quarterly maintenance
Check Item
Expected Result
Troubleshooting
Dust on the air
filter
No obvious dust is
accumulated.
Clean the component if
there is heavy dust or
replace the component if it
is damaged.
Shallow
discharge test
(recommende
d).
Conduct a shallow discharge
test when the UPS is backed up
to verify that the batteries can
discharge normally.
1. Locate the fault cause. (If
a fault alarm is
generated, handle it
according to the
UPS5000
& SmartLi Alarm
Reference
.)
2. If the fault persists,
contact technical support.
Table 7-3 Annual maintenance
Check Item
Expected Result
Troubleshooting
Grounding
Ground cables are connected
securely.
Tighten the screws.
Power cables
and terminals
Screws are tightened. The
insulation layers of cables are
intact and terminals are free
from black marks and noticeable
sparks.
Replace cables or secure
output terminals.
Capacity test
When the UPS is backed up,
discharge a battery to the
undervoltage alarm threshold to
refresh the capacity of the
battery.
1. Locate the fault cause.
2. If the fault persists,
contact technical support.
SmartLi 2.0
User Manual
7 Routine Maintenance
Issue 09 (2022-01-30)
Copyright © Huawei Technologies Co., Ltd.
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