Huawei UPS5000-S-300 kVA User Manual page 163

UPS5000-S-300 kVA User Manual
(3P3W, 200 V)
Alarm ID Alarm Name
(Alarm
ID-Cause
ID)
0025-1 Battery overvoltage
0026-1 Low battery voltage
0530-1 Battery ground fault
Issue 01 (2020-03-06)
Severity Cause
 The battery
string is not
properly
installed.
 The power
module battery
fuse is blown.
Minor  The configured
number of
batteries is less
than the actual
number.
 The battery
neutral wire is
not installed
properly.

Minor Battery discharge
results in low
battery voltage.
 The battery
neutral wire is
not installed
properly.
 The charger is
faulty.
Critical  The battery
string is not
properly
grounded.

The battery
ground
monitoring cable
is faulty.
 The dry contact
board is faulty.
Copyright © Huawei Technologies Co., Ltd.
A Alarm List
Solution
voltage is normal.
3. Check that the battery fuse in
the power module is intact.
1. Check whether battery
parameters are correctly set.
2. If they are correctly set, certain
batteries may be faulty.
3. Check whether the battery
neutral wire is correctly
connected.
1. If the low battery voltage
alarm is generated in battery
mode, check whether the
mains voltage recovers. If yes,
charge batteries immediately.
2. Check whether the battery
neutral wire is correctly
connected.
3. If this alarm is generated in
normal mode, check whether
the battery switch is ON. If
yes, the charger may be faulty.
Replace the related power
module.
1. Check whether the positive
and negative terminals of the
battery string are grounded or
have sufficient resistance to
the ground.
2. Check whether the battery
grounding failure detector is
faulty by replacing it with a
new one.
3. If no battery grounding failure
detector is available, check on
the dry contact board whether
the battery grounding failure
detector is enabled. If yes,
disable it and check whether
the alarm is cleared. If the
alarm persists, the dry contact
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