Huawei UPS2000-A-RTL Series User Manual page 98

UPS2000-A-(6 kVA-10 kVA)-RTL
User Manual
Alarm Alarm
Name ID
Internal 2A
fault
Internal 2A
fault
Internal 2A
fault
Internal 2A
fault
Issue 07 (2020-01-10)
Alarm Alarm Alarm
Cause level Clear Mode
ID
0E Critica Manual
l clear/Power-
off clear
0F Critica Manual
l
clear/Power-
off clear
11 Critica Manual
l clear/Power-
off clear
12 Critica Manual
l clear/Power-
off clear
Copyright © Huawei Technologies Co., Ltd.
Impact on the
System
The UPS shuts
down or transfers to
another working
mode.
The UPS cannot
start.
The UPS shuts
down or transfers to
another working
mode.
The UPS shuts
down or transfers to
another working
mode.
A Alarm Handling
Repair Proposal
Measure: Reconnect the
self-load cables.
Possible cause: The soft-
start resistor is damaged.
Measure: Contact
Huawei technical
support.
Possible cause: The
rectifier circuits are
damaged.
Measure: Contact
Huawei technical
support.
 Possible cause: The
mains has
experienced a
transient high
voltage.
 Measure: Rectify the
fault 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.
 Possible cause: The
hardware is damaged.

Measure: Contact
Huawei technical
support.
 Possible cause: An
overload occurred
when the input
voltage was low.
 Measure: Rectify the
91