UPS2000-A-(6 kVA-10 kVA)-RTL
User Manual
A Alarm Handling
Issue 07 (2020-01-10)
Copyright © Huawei Technologies Co., Ltd.
96
Alarm
Name
Alarm
ID
Alarm
Cause
ID
Alarm
level
Alarm
Clear Mode
Impact on the
System
Repair Proposal
Fan
exception
2B
2
Critica
l
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.
Battery qty.
wrong
31
1
Minor
Manual
clear/Po wer-
off clear/Aut
omatic clear
An alarm is
displayed, and the
battery service life
may be shortened.
Possible cause: The
number of batteries is
incorrectly set.
Measure: Check
whether the number
of batteries is
correctly set.
Possible cause:
Batteries are
damaged.
Measure: Check
whether batteries are
damaged.
Possible cause: If
batteries are fully
charged, reconnect
the batteries as soon
as the system powers
off.
Measure: After
ensuring that the
number of batteries is
correct, clear the
alarm.
Flash
memory
fault
3A
1
Critica
l
The flash
memory is
unrecoverabl
e.
Files may be
damaged
Possible cause: The flash
memory cannot be
properly read or written.
Measure: Contact
Huawei technical
support.
Output
overload
42
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
42
2
Minor
Automatic
Continuous
Possible cause: The load