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.
139
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
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 Huawei
technical support.
Internal
fault
2A-2
42-2
Critical
Manual
clear/Power
-off clear
The UPS
shuts down.
Possible cause: The
battery relay or
soft-start resistor is
damaged.
Measure: Contact
Huawei technical
support.
Internal
fault
2A-3
42-3
Minor
Automatic
clear
The power
supply is not
affected.
Possible cause: The
NTC is not connected
or is damaged.
Measure: Contact
Huawei technical
support.
Internal
fault
2A-9
42-9
Critical
Automatic
clear
The inverter
is shut down.
Possible cause: The
self-load cable
connection is incorrect.
Measure: Reconnect the
self-load cables.
Internal
fault
2A-0B
42-11
Critical
Power-off
clear
In a parallel
system, the
phase
sequence of
the master
UPS bypass is
inconsistent
with that of
the slave UPS
bypass. The
system
bypass is
abnormal.
Possible cause: The
bypass phase sequences
in the parallel system
are inconsistent.
Measure: Ensure that
the bypass phase
sequence is consistent
across the parallel
system.
Internal
2A-0E
42-14
Critical
Manual
clear/Power
The UPS
shuts down or
Possible cause: The
soft-start resistor is

Huawei UPS2000-A Series Specifications

General

Brand	Huawei
Model	UPS2000-A Series
Category	UPS
Language	English