Huawei UPS2000-A-RTL Series User Manual page 103

UPS2000-A-(6 kVA-10 kVA)-RTL
User Manual
Alarm Alarm
Name ID
Fan 2B
exception
Battery qty. 31
wrong
Flash 3A
memory
fault
Output 42
overload
Output 42
Issue 07 (2020-01-10)
Alarm Alarm Alarm
Cause level Clear Mode
ID
2 Critica Automatic
l clear
1 Minor Manual
clear/Po wer-
off clear/Aut
omatic clear
1 Critica The flash
l memory is
unrecoverabl
e.
1 Minor Automatic
clear
2 Minor Automatic
Copyright © Huawei Technologies Co., Ltd.
Impact on the
System
The power supply is
not affected.
An alarm is
displayed, and the
battery service life
may be shortened.
Files may be
damaged
The UPS transfers
to bypass mode or
has no output if it is
overloaded for a
long time.
Continuous
A Alarm Handling
Repair Proposal
Possible cause: The fan
is abnormal.
Measure: Clean up the
foreign matter around the
fan. If the alarm persists,
contact Huawei technical
support.
 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.
Possible cause: The flash
memory cannot be
properly read or written.
Measure: Contact
Huawei technical
support.
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.
Possible cause: The load
96