UPS2000-A-(6 kVA-10 kVA)-RTL
User Manual
A Alarm Handling
Issue 07 (2020-01-10)
Copyright © Huawei Technologies Co., Ltd.
93
Alarm
Name
Alarm
ID
Alarm
Cause
ID
Alarm
level
Alarm
Clear Mode
Impact on the
System
Repair Proposal
mode.
Measure: Contact
Huawei technical
support.
Internal
fault
2A
1D
Critica
l
Power-off
clear
The UPS shuts
down or transfers to
another working
mode.
Possible cause: The
inversion relay is faulty.
Measure: Contact
Huawei technical
support.
Internal
fault
2A
1E
Critica
l
Power-off
clear
The UPS shuts
down or transfers to
another working
mode.
Possible cause: The
inverter output is short-
circuited.
Measure: Resolve the
short-circuit issue (if
any) for the output
terminal, clear the alarm,
and restart the UPS. If
the alarm persists,
contact Huawei technical
support.
Internal
fault
2A
1F
Critica
l
Automatic
clear
The UPS shuts
down or transfers to
another working
mode.
Possible cause: The
mains has
experienced a
transient high
voltage.
Measure: Handle the
high voltage and
restart the UPS.
Possible cause: The
output supplies power
to special loads such
as the inductive and
rectification loads.
Measure: Check that
the load types are
supported by the
UPS.
Possible cause: The
hardware is damaged.
Measure: Contact
Huawei technical
support.
Internal
fault
2A
20
Critica
l
Automatic
clear
The UPS shuts
down or transfers to
another working
mode.
Possible cause: The
ambient temperature
exceeds 40º
C.
Measure: Lower the