UPS2000-G-(1 kVA-3 kVA)
User Manual
4 Setting Control Panel
Issue 08 (2017-08-04)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
43
Alar
m ID
Alar
m
Cause
ID
Alar
m
Name
Alarm
Severity
Alarm Clear
Mode
Trigger
Condition
Impact on
the System
Repair Proposal
l fault
must be
manually
cleared.
output
voltage is
lower than
75% of the
rated output
voltage, and
the output
current is
lower than
60% of the
rated output
current.
is generated
during the
running of
the UPS, the
UPS
transfers to
bypass
mode.
42
28
Interna
l fault
Critical
The first three
alarms are
cleared
automatically
in 10 minutes.
Later alarms,
if generated,
must be
cleared
manually.
The inverter
output
voltage is
lower than
100 V.
If this alarm
is generated
during the
running of
the UPS, the
UPS
transfers to
no output.
After 10
minutes, the
UPS
automaticall
y starts the
inverter. If
this alarm
persists, the
UPS then
transfers to
no output
again. After
the UPS
transfers to
no output
three times,
the alarm
needs to be
manually
cleared.
Possible cause:
The output load
types are not
supported or the
load exceeds the
specifications.
Measure: Check
whether the load
types are
supported and
reduce the
output load.
Then, manually
clear the alarm
and restart the
UPS.
Possible cause:
The inverter is
faulty.
Measure:
Contact the
dealer or
Huawei
technical
support.
Possible cause:
The output is
short-circuited.
Measure: Check
whether the
output is
short-circuited.
42
31
Interna
l fault
Critical
This alarm
must be
manually
The
difference
between the
If this alarm
is generated
during the
Possible cause:
The hardware is
damaged.
