UPS2000-G-3 kVA
User Manual (CTC)
A Alarm Handling
Issue 02 (2019-05-05)
Copyright © Huawei Technologies Co., Ltd.
71
Alarm
ID
(Alarm
ID-Alar
m
Cause)
Alarm
Name
Alarm
Level
Alarm
Clear
Mode
Impact on the System
Repair Proposal
technical support for repair.
0042-09
Internal
fault
Critical
Automatic
clear
The inverter shuts down.
Possible cause: Self-load
cable connections are
incorrect.
Measure: Reconnect
cables.
0042-10
Internal
fault
Critical
Automatic
clear
If the inverter has not started,
the UPS has no output, and
inverter startup is not
allowed.
If the inverter has started,
inverter operation is not
affected, but transfer to
bypass mode is not allowed.
Possible cause: The bypass
input cable connections do
not match the output
system.
Measure: Ensure that the
bypass input cable
connections match the
output system.
0042-11
Internal
fault
Critical
Power-off
clear
After the parallel system is
powered on, an incorrect
bypass phase sequence is
detected on a UPS. The
parallel system has not
output.
The parallel system works in
inverter mode. The newly
added UPS has no output
because bypass cables are
incorrectly connected.
The parallel system works in
bypass mode. The parallel
system has no output because
bypass cables for the newly
added UPS are incorrectly
connected.
Possible cause: The bypass
phase sequences in the
parallel system do not
match.
Measure: Check bypass
input phase sequences in
the parallel system.
0042-12
Internal
fault
Critical
Manual
clear/Power
-off clear
The UPS startup is not
allowed.
Possible cause: The
three-phase power cable
lengths vary greatly.
Measure: Ensure that the
lengths of three-phase
power cables vary within a
difference of 5%.
0042-13
Internal
fault
Critical
Manual
clear/Power
-off clear
The UPS startup is not
allowed.
Possible cause: The
inverter is faulty.
Measure: Contact Huawei
technical support for repair.