UPS5000-A-400 kVA
User Manual (50 kVA, PF=0.9)
B Alarm List
Issue 03 (2020-01-10)
Copyright © Huawei Technologies Co., Ltd.
203
Alarm ID
(Alarm ID-
Cause ID)
Alarm Name
Severity
Cause
Solution
distribution system is
normal.
0020-1
Battery connected
reversely
Critical
Batteries are not properly
installed.
1.
Check whether battery
polarities are correctly
installed by using a
multimeter. If no,
correct the installation.
2.
Check whether the
battery input voltage of
the UPS is normal. If
yes, the battery
sampling circuit of the
power unit is faulty.
Replace the power unit.
0021-1
Battery EOD
Critical
The battery voltage
reaches the EOD voltage
threshold due to
continuous discharge.
If the BCB box is
configured, check whether
the BCB box trips. If it
trips, close the BCB box
switch.
0022-1
No battery
Minor
There is no battery
string.
The battery string is
not properly installed.
The power unit
battery fuse is blown.
1.
Check that battery
cables are correctly
connected.
2.
Check that the battery
terminal voltage is
normal.
3.
Check that the battery
fuse in the power unit is
intact.
0025-1
Battery
overvoltage
Minor
The configured
number of batteries is
less than the actual
number.
The battery neutral
wire is not installed
properly.
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.
0026-1
Low battery
voltage
Minor
Battery discharge
results in low battery
voltage.
The battery neutral
wire is not installed
properly.
The charger is faulty.
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.