
UPS2000-G-(3 kVA-20 kVA)-V2
User Manual (Two Live Wires)
C Alarm Handling
Issue 07 (2019-12-19)
Copyright © Huawei Technologies Co., Ltd.
124
Alarm ID
(Alarm
ID-Alarm
Cause)
Alarm
Name
Alarm
Level
Alarm Clear
Mode
Impact on the
System
Repair Proposal
Measures:
Check battery parameter
settings.
Disconnected the external
battery charger, check
whether the alarm is
cleared. If not, contact
Huawei technical support
for repair.
0026-01
Batt.
undervolt.
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.
overcurrent
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