UPS2000-A-(6 kVA-10 kVA)
User Manual
B Alarm Handling
Issue 05 (2019-12-19)
Copyright © Huawei Technologies Co., Ltd.
146
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
foreign matter around
the fan. If the alarm
persists, contact Huawei
technical support.
Fan
exception
2B-2
43-2
Critical Automatic
clear
The power
supply is not
affected.
Possible cause: The fan
is abnormal.
Measure: Clean up the
foreign matter around
the fan. If the alarm
persists, contact Huawei
technical support.
Flash
memory
fault
3A-1
58-1
Critical The flash
memory is
unrecoverab
le.
Files may be
damaged
Possible cause: The
flash memory cannot be
properly read or written.
Measure: Contact
Huawei technical
support.
Output
overload
42-1
66-1
Minor
Automatic
clear
The UPS
transfers to
bypass mode
or has no
output if it is
overloaded
for a long
time.
Possible cause: The
load exceeds the rated
loading capacity of the
inverter.
Measure: Lower the
load or replace the UPS
with a UPS with a
larger capacity.
Output
overload
42-2
66-2
Minor
Automatic
clear
Continuous
overload
causes the
UPS to
supply no
power.
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
42-3
66-3
Critical Automatic
clear
The UPS
starts
automatically
after it shuts
down; the
UPS transfers
to another
working
mode or shuts
down.
Possible cause: The
load exceeds the rated
loading capacity of the
inverter.
Measure: Lower the
load or replace the UPS
with a UPS with a
larger capacity.