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.
42
Alar
m ID
Alar
m
Cause
ID
Alar
m
Name
Alarm
Severity
Alarm Clear
Mode
Trigger
Condition
Impact on
the System
Repair Proposal
damaged.
Measure:
Contact the
dealer or
Huawei
technical
support.
42
18
Interna
l fault
Critical
This alarm
must be
manually
cleared.
The bus
voltage is
lower than
260 V.
If this alarm
is generated
during the
running of
the UPS, the
UPS
transfers to
bypass
mode.
Possible cause:
The hardware is
damaged.
Measure:
Contact the
dealer or
technical
support.
Possible cause:
An overload
occurred when
the input voltage
was low.
Measure:
Rectify the fault
and restart the
UPS.
42
24
Interna
l fault
Minor
This alarm is
automatically
cleared.
An error
occurs in the
EEPROM.
All UPS
parameters
are restored
to the
factory
settings. If
this alarm is
generated,
the customer
needs to
replace the
UPS.
Possible cause: The
EEPROM is faulty.
Measure: Contact
the dealer or
Huawei technical
support.
42
27
Interna
l fault
Critical
This alarm
must be
manually
cleared.
The inverter
voltage is
higher than
1.15 times the
rated output
voltage.
If this alarm
is generated
during the
running of
the UPS, the
UPS
transfers to
bypass
mode.
Possible cause: The
inverter is faulty.
Measure: Contact
the dealer or
Huawei technical
support.
Interna
Critical
This alarm
The inverter
If this alarm