Check
Item
Expected
Result
Troubleshooting Maintenance Interval
Capacity
test
(recomme
nded)
When the UPS is
backed up,
discharge a
battery to the
undervoltage
alarm threshold
to refresh the
capacity of the
battery.
1. Identify the cause
when an exception
occurs.
2. If the fault persists,
contact technical
support.
Yearly
Battery
connectio
n
reliability
1. When battery
strings are
powered o,
check the
reliability of
each
connection
point from
positive
terminals to
negative
terminals. All
points must
be connected
reliably.
2. Use a torque
wrench to
check the
tightening
torque for
each battery
screw. The
torque must
meet the
requirements
of the
battery
manufacturer
. After
checking that
the battery
screws meet
the
requirements,
mark the
screws for
later check.
1. Rectify any
abnormal
connection.
2. If the fault persists,
contact technical
support.
Yearly
UPS2000-G-(6 kVA-20 kVA)
User Manual 7 Routine Maintenance
Issue 21 (2022-10-13) Copyright © Huawei Technologies Co., Ltd. 119
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