Huawei UPS2000-A-RTL Series User Manual page 97

UPS2000-A-(6 kVA-10 kVA)-RTL
User Manual
Alarm Alarm
Name ID
Internal 1E
overtemper
ature
Internal 2A
fault
Internal 2A
fault
Internal 2A
fault
Issue 07 (2020-01-10)
Alarm Alarm Alarm
Cause level Clear Mode
ID
1 Minor Automatic
clear
2 Critica Manual
l
clear/Power-
off clear
3 Minor Automatic
clear
9 Critica Automatic
l clear
Copyright © Huawei Technologies Co., Ltd.
Impact on the
System
The power supply is
not affected.
The UPS shuts
down.
The power supply is
not affected.
The inverter is shut
down.
A Alarm Handling
Repair Proposal
battery cable
connection and the
status of each battery.
 Possible cause: The
battery capacity is
lower than normal.
 Measure: Replace
battery strings. If the
alarm persists,
manually clear the
alarm.
 Possible cause: The
ambient temperature
exceeds 40º C.
 Measure: Lower the
ambient temperature.
 Possible cause: Air
channels are blocked.
 Measure: Keep the
air intake and exhaust
vents of the UPS
unblocked.
 Possible cause: The
fan is abnormal.
 Measure: Clean up
the foreign matter
around the fan. If the
alarm persists,
contact Huawei
technical support.
Possible cause: The
battery relay or soft-start
resistor is damaged.
Measure: Contact
Huawei technical
support.
Possible cause: The NTC
is not connected or is
damaged.
Measure: Contact
Huawei technical
support.
Possible cause: The self-
load cable connection is
incorrect.
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