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.
145
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
support.
Internal
fault
2A-2A
42-42
Critical
Manual
clear/Power
-off clear
The charger
stops
working.
Possible cause: The
charger is faulty.
Measure: Contact
Huawei technical
support.
Internal
fault
2A-30
42-48
Critical
Manual
clear/Power
-off clear
The UPS
cannot start.
Possible cause: The
software and hardware
versions do not match.
Measure: Contact
Huawei technical
support.
Internal
fault
2A-31
42-49
Minor
Manual
clear/Power
-off clear
The UPS
cannot start.
Possible cause: The
software and hardware
versions do not match.
Measure: Contact
Huawei technical
support.
Internal
fault
2A-37
42-55
Minor
Automatic
clear
If the inverter
of the UPS is
not started,
starting the
inverter is
prohibited. If
the inverter is
started, this
alarm does
not affect the
running of the
UPS.

Possible cause: The
loop cables in the
parallel system are
in poor contact.
Measure: Check the
connection of all
communications
loop cables in the
parallel system.

Possible cause: The
UPS is abnormal.
Measure: Contact
Huawei technical
support.
Internal
fault
2A-3C
42-60
Critical
Power-off
clear
The UPS
shuts down.
Possible cause: The
battery switching
transistor is faulty.
Measure: Contact
Huawei technical
support.
Fan
exception
2B-1
43-1
Critical
Automatic
clear
The power
supply is not
affected.
Possible cause: The fan
is abnormal.
Measure: Clean up the

Huawei UPS2000-A Series Specifications

General

Brand	Huawei
Model	UPS2000-A Series
Category	UPS
Language	English