UPS5000-A-500 kVA
User Manual (e-shelter)
A Alarm List
Issue 02 (2020-01-10)
Copyright © Huawei Technologies Co., Ltd.
171
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.
3.
If this alarm is generated
in normal mode, check
whether the battery