UPS2000-G-(6 kVA-20 kVA)
User Manual
C Alarm Handling
Issue 13 (2019-05-05)
Copyright © Huawei Technologies Co., Ltd.
115
Alarm
ID
(Alarm
ID-Alar
m
Cause)
Alarm
Name
Alarm
Level
Alarm
Clear
Mode
Impact on the System
Repair Proposal
technical support for repair.
0028-01
Breaker
OFF
Critical
Automati
c clear
N/A
Possible causes:
The mains input power cables
are incorrectly connected.
The mains input circuit
breaker is OFF.
Measure: Check whether mains
input power cables are correctly
connected. If yes, switch on the
mains input circuit breaker.
0028-02
Breaker
OFF
Critical
Automati
c clear
N/A
Possible causes:
The bypass is short-circuited
or the bypass input
experiences overcurrent.
The bypass input circuit
breaker is OFF.
Measures:
Check whether the bypass
output load is short-circuited
using a multimeter.
Check whether cable
connections are correct. If
yes, switch on the bypass
input circuit breaker.
0028-03
Breaker
OFF
Critical
Automati
c clear
N/A
Possible causes:
The bypass is short-circuited
or the bypass input
experiences overcurrent.
The bypass input circuit
breaker is OFF.
Measures:
Check whether the circuit
breaker downstream load is
short-circuited using a
multimeter.
Check whether cable
connections are correct. If
yes, switch on the output
circuit breaker.
0029-01
Maintain
Minor
Automati
The battery backup time is
Possible causes: