Check
Content
Baseline
Requirement
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 the
technical support
personnel.
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.
Check that
all points are
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 abnormal
connection if any.
2. If the fault persists,
contact the
technical support
personnel.
Yearly
ESS-240V12-(9AhBPVBA04, 7AhBPVBA04) Battery
Pack
Quick Guide 4 Installation
Issue 02 (2022-06-30) Copyright © Huawei Digital Power Technologies Co., Ltd. 47
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