UPS2000-G-(6 kVA-20 kVA)
User Manual
C Alarm Handling
Issue 13 (2019-05-05)
Copyright © Huawei Technologies Co., Ltd.
111
C
Alarm Handling
Alarm
ID
(Alarm
ID-Alar
m
Cause)
Alarm
Name
Alarm
Level
Alarm
Clear
Mode
Impact on the System
Repair Proposal
0001-01
Abnorma
l mains
volt.
Minor
Automati
c clear
The UPS transfers to
battery mode.
If no battery is
equipped, the UPS
shuts down.
Possible causes:
The mains voltage exceeds
280 V.
The mains voltage is less than
80 V.
The mains frequency is not in
the range of 40 Hz to 70 Hz.
Measures:
Check whether the mains
input voltage is less than 272
V. If not, wait until the mains
recovers.
Check whether the mains
input voltage is greater than
88 V. If not, wait until the
mains recovers.
Check the mains input
frequency. If the mains input
frequency is abnormal, wait
until the mains input recovers.
0001-02
Abnorma
l mains
volt.
Minor
0001-03
Abnorma
l mains
volt.
Minor
0004-01
Mains
phase
reverse
Minor
Automati
c clear
The rectifier transfers
to battery mode,
without affecting the
power supply.
If no batteries are
installed, the UPS shuts
down.
The UPS may transfer
Possible cause: The mains input
three-phase sequence is incorrect.
Measure: Check that mains input
power cables are correctly
connected.