Huawei UPS2000-G-6 kVA User Manual page 123

UPS2000-G-(6 kVA-20 kVA)
User Manual
Alarm Alarm
ID Name
(Alarm
ID-Alar
m
Cause)
0028-01 Breaker
OFF
0028-02 Breaker
OFF
0028-03 Breaker
OFF
0029-01 Maintain
Issue 13 (2019-05-05)
Alarm Alarm
Level Clear
Mode
Critical Automati
c clear
Critical Automati
c clear
Critical Automati
c clear
Minor Automati The battery backup time is
Copyright © Huawei Technologies Co., Ltd.
Impact on the System
N/A
N/A
N/A
C Alarm Handling
Repair Proposal
technical support for repair.
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.
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.
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.
Possible causes:
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