UPS2000-A-(6 kVA-10 kVA)-RTL
User Manual
A Alarm Handling
Issue 07 (2020-01-10)
Copyright © Huawei Technologies Co., Ltd.
85
A
Alarm Handling
Alarm
Name
Alarm
ID
Alarm
Cause
ID
Alarm
level
Alarm
Clear Mode
Impact on the
System
Repair Proposal
Abnormal
mains volt.
01
1
Minor
Automatic
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.
Abnormal
mains volt.
01
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.
Abnormal
mains volt.
01
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