Huawei UPS2000-G-3KRTL-V2 User Manual page 137

UPS2000-G-(3 kVA-20 kVA)-V2
User Manual (Two Live Wires)
Alarm ID Alarm
(Alarm Name
ID-Alarm
Cause)
0042-01 Internal fault
0042-02 Internal fault
0042-03 Internal fault
0042-09 Internal fault
0042-10 Internal fault
0042-11 Internal fault
Issue 07 (2019-12-19)
Alarm Alarm Clear
Level Mode
Critical Manual
clear/Power-off
clear
Critical Manual
clear/Power-off
clear
Minor Automatic clear
Critical Automatic clear
Critical Automatic clear
Critical Power-off clear
Copyright © Huawei Technologies Co., Ltd.
Impact on the Repair Proposal
System
capacity of the batteries.
Measure: Reduce the load
power or verify the number
of batteries.
The UPS shuts Possible cause: The auxiliary
down. power source is faulty.
Measure: Contact Huawei
technical support for repair.
The UPS shuts Possible cause: The soft-start
down. resistor is damaged.
Measure: Contact Huawei
technical support for repair.
The power Possible cause: The NTC is
supply from the not connected or is damaged.
UPS and system
Measure: Contact Huawei
is not affected.
technical support for repair.
The inverter Possible cause: Self-load
shuts down. cable connections are
incorrect.
Measure: Reconnect cables.
If the inverter Possible cause: The bypass
has not started, input cable connections do
the UPS has no not match the output system.
output, and
Measure: Ensure that the
inverter startup is
bypass input cable
not allowed.
connections match the output
If the inverter system.
has started,
inverter
operation is not
affected, but
transfer to bypass
mode is not
allowed.
After the parallel Possible cause: The bypass
system is phase sequences in the
powered on, an parallel system do not match.
incorrect bypass
Measure: Check bypass input
phase sequence
phase sequences in the
is detected on a
parallel system.
UPS. The
parallel system
has not output.
C Alarm Handling
130