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.
37
Alar
m ID
Alar
m
Cause
ID
Alar
m
Name
Alarm
Severity
Alarm Clear
Mode
Trigger
Condition
Impact on
the System
Repair Proposal
10
1
Bypas
s
voltag
e
abnor
mal
Minor
This alarm is
automatically
cleared.
The bypass
voltage is
outside the
scope.
The UPS
remains in
the current
state. If the
UPS works
in bypass
mode, it
transfers to
standby
mode and
has no
output.
Possible cause: The
bypass input
voltage is abnormal.
Measure: Check
whether the bypass
input voltage
exceeds the
configured range. If
yes, change the
range or wait until
the bypass input
recovers.
2
Bypas
s
freque
ncy
abnor
mal
Minor
This alarm is
automatically
cleared.
The bypass
frequency is
outside the
bypass
frequency
range.
The UPS
remains in
the current
state. If the
UPS works
in bypass
mode, it
transfers to
standby
mode and
has no
output.
Possible cause: The
bypass input
frequency is
abnormal.
Measure: Check
whether the bypass
input frequency
exceeds the
configured range. If
yes, change the
range or wait until
the bypass input
recovers.
14
1
Startu
p
timeou
t
Critical
This alarm
must be
manually
cleared.
The inverter
output
voltage is not
within ±2 V
of the rated
output.
If this alarm
is generated
during the
running of
the UPS, the
UPS
transfers to
bypass
mode.
Possible cause:
The bypass
loading capacity
exceeds the
rated load of the
inverter.
Measure:
Reduce the
output load,
manually clear
the alarm, and
restart the UPS.
Possible cause:
An internal fault
has occurred.
Measure:
Contact the
dealer or
Huawei
technical
support.