Huawei UPS2000-A Series User Manual

UPS2000-A-(6 kVA-10 kVA)
User Manual
B Alarm Handling
Issue 05 (2019-12-19)
Copyright © Huawei Technologies Co., Ltd.
142
Alarm
Name
Alarm
Identifier
(Alarm ID)
WebUI
Decimal
System
Alarm
Identifier
(Alarm ID)
LCD
Heuristicim
al System
Alarm
level
Alarm
Clear
Mode
Impact on
the System
Repair Proposal
Internal
fault
2A-1B
42-27
Critical
Power-off
clear
The inverter
shuts down.
The UPS
transfers to
bypass mode
or has no
output.
Possible cause: The
inverter is faulty.
Measure: Contact
Huawei technical
support.
Internal
fault
2A-1C
42-28
Critical
Power-off
clear
The UPS
shuts down or
transfers to
another
working
mode.
Possible cause: The
inversion relay is faulty.
Measure: Contact
Huawei technical
support.
Internal
fault
2A-1D
42-29
Critical
Power-off
clear
The UPS
shuts down or
transfers to
another
working
mode.
Possible cause: The
inversion relay is faulty.
Measure: Contact
Huawei technical
support.
Internal
fault
2A-1E
42-30
Critical
Power-off
clear
The UPS
shuts down or
transfers to
another
working
mode.
Possible cause: The
inverter output is
short-circuited.
Measure: Resolve the
short-circuit issue (if
any) for the output
terminal, clear the
alarm, and restart the
UPS. If the alarm
persists, contact Huawei
technical support.
Internal
fault
2A-1F
42-31
Critical
Automatic
clear
The UPS
shuts down or
transfers to
another
working
mode.

Possible cause: The
mains has
experienced a
transient high
voltage.
Measure: Handle the
high voltage and
restart the UPS.

Possible cause: The
output supplies
power to special
loads such as the
inductive and

Huawei UPS2000-A Series Specifications

General

Brand	Huawei
Model	UPS2000-A Series
Category	UPS
Language	English