Huawei ESS-240V12-9AhBPVBA04 Quick Manual page 53

ESS-240V12-(9AhBPVBA04, 7AhBPVBA04) Battery
Pack
Quick Guide
Check
Content
Capacity
test
(recomme
nded)
Battery
connectio
n
reliability
Issue 02 (2022-06-30)
Baseline
Requirement
When the UPS is
backed up,
discharge a
battery to the
undervoltage
alarm threshold
to refresh the
capacity of the
battery.
1. When battery
strings are
powered off,
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.
Copyright © Huawei Digital Power Technologies Co., Ltd.
Troubleshooting
1. Identify the cause
when an exception
occurs.
2. If the fault persists,
contact the
technical support
personnel.
1. Rectify abnormal
connection if any.
2. If the fault persists,
contact the
technical support
personnel.
4 Installation
Maintenance Interval
Yearly
Yearly
47