UPS2000-A-(6 kVA-10 kVA)
User Manual
B Alarm Handling
Issue 04 (2019-05-05)
Copyright © Huawei Technologies Co., Ltd.
128
B
Alarm Handling
Alarm
Name
Alar
m
Ident
ifier
(Alar
m ID)
Web
UI
Deci
mal
Syste
m
Alarm
Identi
fier
(Alar
m ID)
LCD
Heuri
sticim
al
Syste
m
Alarm
level
Alarm
Clear
Mode
Impact on the
System
Repair Proposal
Abnorma
l mains
volt.
01-1
1-1
Minor
Autom
atic
clear
The UPS
transfers to
battery mode.
If no battery
is equipped,
the UPS shuts
down.
The UPS
changes the
working
mode or shuts
down.
Possible cause: The mains voltage
exceeds 280 V.
Measure: Check whether the mains
input voltage exceeds 272 V. If the
voltage exceeds 272 V, wait for the
mains to recover.
Abnorma
l mains
volt.
01-2
1-2
Minor
Possible cause: The mains voltage
is lower than 80 V.
Measure: Check whether the mains
input voltage is lower than 88 V. If
the voltage is lower than 88 V, wait
for the mains to recover.
Possible cause: The input fuse is
blown.
Measure: Check the status of the
input fuse.
Abnorma
l mains
volt.
01-3
1-3
Minor
Possible cause: The mains
frequency is out of the 45–55 Hz
range (for the rated frequency of 50
Hz) or out of the 55–65 Hz range
(for the rated frequency of 60 Hz).
Measure: Check the mains input
frequency. If the frequency is out of