UPS2000-G-(6 kVA-20 kVA)
User Manual
C Alarm Handling
Issue 13 (2019-05-05)
Copyright © Huawei Technologies Co., Ltd.
120
Alarm
ID
(Alarm
ID-Alar
m
Cause)
Alarm
Name
Alarm
Level
Alarm
Clear
Mode
Impact on the System
Repair Proposal
Measure: Reduce the load power
or verify the number of batteries.
0042-01
Internal
fault
Critical
Manual
clear/Po
wer-off
clear
The UPS shuts down.
Possible cause: The auxiliary
power source is faulty.
Measure: Contact Huawei
technical support for repair.
0042-02
Internal
fault
Critical
Manual
clear/Po
wer-off
clear
The UPS shuts down.
Possible cause: The soft-start
resistor is damaged.
Measure: Contact Huawei
technical support for repair.
0042-03
Internal
fault
Minor
Automati
c clear
The power supply from the
UPS and system is not
affected.
Possible cause: The NTC is not
connected or is damaged.
Measure: Contact Huawei
technical support for repair.
0042-09
Internal
fault
Critical
Automati
c clear
The inverter shuts down.
Possible cause: Self-load cable
connections are incorrect.
Measure: Reconnect cables.
0042-10
Internal
fault
Critical
Automati
c 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-of
f 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
Possible cause: The bypass phase
sequences in the parallel system
do not match.
Measure: Check bypass input
phase sequences in the parallel
system.