UPS2000-G-3 kVA
User Manual (CTC)
A Alarm Handling
Issue 02 (2019-05-05)
Copyright © Huawei Technologies Co., Ltd.
65
Alarm
ID
(Alarm
ID-Alar
m
Cause)
Alarm
Name
Alarm
Level
Alarm
Clear
Mode
Impact on the System
Repair Proposal
technical support for
repair.
0026-01
Batt.
undervol
t.
Minor
Automatic
clear
An alarm is generated, and
the system may shut down
due to EOD.
Possible cause: The mains
input is abnormal. Battery
discharge results in a low
battery voltage.
Measure: If possible,
connect to the mains power
when the UPS is in
non-battery test state.
0027-01
Batt.
overcurr
ent
Minor
Automatic
clear
An alarm is generated, and
the battery lifespan is
affected.
Possible causes: The
charger is abnormal.
Measure: Contact Huawei
technical support for repair.
0028-01
Breaker
OFF
Critical
Automatic
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
Automatic
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