Huawei iBAT 2.0-CIM01C2 User Manual page 70

iBAT 2.0-CIM01C2
User Manual
Alarm Name
Dis. Volt. Incon.
Abnormal Intern.
Resistance
Issue 07 (2019-01-02)
Alarm Severity
Minor
Minor
Copyright © Huawei Technologies Co., Ltd.
Possible Cause
The battery discharge
voltage is below the lower
threshold.
 A battery terminal bolt
is not tightened.

A battery terminal is
not properly connected
to a connector.
 The internal resistance
of a battery is
abnormal.
9 Maintenance
Solution
1. Check that new and old
batteries do not coexist in
the same battery string.
Mark abnormal batteries.
2. Compare the internal
resistance of the
abnormal battery and that
of the normal battery.
Mark abnormal batteries.
3. Compare the discharge
voltage of the abnormal
battery and that of the
normal battery. Mark
abnormal batteries.
4. Fully charge the battery
string and prepare the
UPS backup power
supply. Then perform a
capacity test to query the
SOH of the battery. If the
SOH is abnormal, replace
the abnormal battery.
1. Check that battery
terminal screws are
tightened.
2. Check that battery
terminals are properly
connected to connectors.
3. Compare the internal
resistance of the
abnormal battery and that
of the normal battery.
Mark abnormal batteries.
4. Fully charge the battery
string and prepare the
UPS backup power
supply. Then perform a
capacity test to query the
SOH of the battery. If the
SOH is abnormal, replace
the abnormal battery.
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