UPS2000-A-(6 kVA-10 kVA)-RTL
User Manual
A Alarm Handling
Issue 07 (2020-01-10)
Copyright © Huawei Technologies Co., Ltd.
86
Alarm
Name
Alarm
ID
Alarm
Cause
ID
Alarm
level
Alarm
Clear Mode
Impact on the
System
Repair Proposal
Hz).
Measure: Check the
mains input
frequency. If the
frequency is out of
the normal range,
wait for the mains to
recover.
Possible cause: The
input fuse is blown.
Measure: Check the
status of input fuses.
Abnormal
mains volt.
01
4
Minor
Manual
clear/Power-
off clear
The rectifier is
locked in battery
mode.
Possible cause: The
mains voltage is
frequently abnormal.
Measure: Check the
mains input voltage. If
the voltage is abnormal,
wait for the mains
voltage to become
normal and manually
clear the alarm.
Abnormal
BPS volt.
0A
1
Minor
Automatic
clear
The UPS cannot
transfer to bypass
mode. If the bypass
is supplying power,
the UPS changes
the working mode.
Possible cause: The
bypass input voltage is
abnormal.
Measure: Check whether
the bypass input voltage
is out of the specified
range. If the voltage is
out of the specified
range, change the range
setting or wait for the
bypass input to recover.
Abnormal
BPS volt.
0A
2
Minor
Possible cause: The
bypass frequency is out
of the 45-55 Hz
(mapping to 50 Hz) or
55-65 Hz (mapping to 60
Hz) range.
Measure: Check the
bypass input frequency.
If the frequency is out of
the normal range, wait
for the bypass power
supply to recover.
Startup
0E
1
Critica
Manual
The inverter shuts
Possible cause: The