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.
44
Alar
m ID
Alar
m
Cause
ID
Alar
m
Name
Alarm
Severity
Alarm Clear
Mode
Trigger
Condition
Impact on
the System
Repair Proposal
cleared.
absolute
value of the
positive bus
voltage and
that of the
negative bus
voltage is 100
V.
running of
the UPS, the
UPS
transfers to
bypass
mode.
Measure:
Contact the
dealer or
Huawei
technical
support.
Possible cause:
The UPS
supplies power
to half-wave
loads.
Measure: Check
that the load
types are
supported by the
UPS.
42
32
Interna
l fault
Critical
This alarm
must be
manually
cleared.
The ambient
temperature
exceeds 50º
C
The UPS
transfers to
bypass
mode. When
the
temperature
decreases,
the UPS
automaticall
y starts and
clears this
alarm. If this
alarm is
generated
three times
within 3
hours, the
UPS does
not start or
clear the
fault.
Possible cause:
The ambient
temperature
exceeds 50º
C.
Measure: Lower
the ambient
temperature.
Possible cause:
Air channels are
blocked.
Measure: Keep
the air intake
and exhaust
vents of the UPS
unblocked.
Possible cause:
The fan is
abnormal.
Measure: Clean
up the foreign
matter around
the fan. If the
alarm persists,
contact the
dealer or
Huawei
technical
support.
42
36
Interna
l fault
Minor
This alarm is
automatically
The charger
has no output.
The power
supply from
Possible cause: The
internal connection