UPS2000-A-(6 kVA-10 kVA)
User Manual
B Alarm Handling
Issue 05 (2019-12-19)
Copyright © Huawei Technologies Co., Ltd.
147
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
Output
overload
42-4
66-4
Critical Manual
clear/Power
-off clear
The UPS
cannot start.
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.
Output
overload
42-5
66-5
Critical Manual
clear/Power
-off clear
The UPS has
no output
when the load
is excessively
heavy.
Possible cause: The
load is faulty, the load
capacity is large, or the
load is short-circuited.
Measure: Check
whether the load is
faulty.
Parallel
settings
abnormal
43-1
67-1
Minor
Automatic
clear
The UPS
cannot start.
Possible cause: The
single UPS or parallel
system settings are
inconsistent with the
system cable
connections.
Measure: Check the
single UPS and parallel
system settings, and
verify that the parallel
cable connection meets
the requirement of the
settings.
Bypass
backfeed
47-1
71-1
Critical Power-off
clear
The bypass
input circuit
breaker in the
PDU is OFF.
Possible cause: Bypass
components are faulty.
Measure: Contact
Huawei technical
support.
Parallel
cables
abnormal
53-1
83-1
Critical Manual
clear/Power
-off clear
The UPS
shuts down,
causing the
parallel
system to shut
down.
Possible cause: The
parallel cables
connected are loose.
Measure: Check that
parallel cables are
securely connected.
Possible cause:
Parallel cables are
damaged.