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.
45
Alar
m ID
Alar
m
Cause
ID
Alar
m
Name
Alarm
Severity
Alarm Clear
Mode
Trigger
Condition
Impact on
the System
Repair Proposal
cleared.
the UPS is
not affected.
of the charger is
abnormal. Measure:
Contact the dealer
or Huawei technical
support.
42
42
Interna
l fault
Critical
This alarm
must be
manually
cleared.
The voltage
of each
battery
decreases to
below 10 V
when the
charger has
no output and
the UPS
inverter is
started.
The UPS
transfers to
bypass
mode.
Possible cause: The
charger switching
transistor is faulty.
Measure: Contact
the dealer or
Huawei technical
support.
66
1
Output
overlo
ad
Minor
This alarm is
automatically
cleared.
The inverter
output load is
more than
105% of the
rated load.
The power
supply from
the UPS is
not affected.
Possible cause: The
load exceeds the
rated loading
capacity of the
inverter.
Measure: Lower the
load or replace the
UPS with a UPS
with a larger
capacity.
66
2
Output
overlo
ad
Minor
This alarm is
automatically
cleared.
The bypass
output load is
more than
110% of the
rated load.
The power
supply from
the UPS is
not affected.
Possible cause: The
load exceeds the
rated loading
capacity of the
bypass.
Measure: Lower the
load or replace the
UPS with a UPS
with a larger
capacity.
66
3
Output
overlo
ad
Critical
This alarm
must be
manually
cleared.
In battery
mode, this
alarm is
generated
when the
load
exceeds
the rated
load.
In normal
For
battery
mode,
the UPS
transfers
to no
output
mode.
If the
UPS
Possible cause: The
load exceeds the
rated loading
capacity of the
inverter.
Measure: Lower the
load or replace the
UPS with a UPS
with a larger
capacity.