UPS2000-G-(3 kVA-20 kVA)-V2
User Manual (Two Live Wires)
C Alarm Handling
Issue 07 (2019-12-19)
Copyright © Huawei Technologies Co., Ltd.
130
Alarm ID
(Alarm
ID-Alarm
Cause)
Alarm
Name
Alarm
Level
Alarm Clear
Mode
Impact on the
System
Repair Proposal
capacity of the batteries.
Measure: Reduce the load
power or verify the number
of batteries.
0042-01
Internal fault
Critical Manual
clear/Power-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/Power-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
Automatic 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 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.
Possible cause: The bypass
phase sequences in the
parallel system do not match.
Measure: Check bypass input
phase sequences in the
parallel system.