UPS2000-A-(6 kVA-10 kVA)-RTL
User Manual
A Alarm Handling
Issue 07 (2020-01-10)
Copyright © Huawei Technologies Co., Ltd.
90
Alarm
Name
Alarm
ID
Alarm
Cause
ID
Alarm
level
Alarm
Clear Mode
Impact on the
System
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.
Internal
overtemper
ature
1E
1
Minor
Automatic
clear
The power supply is
not affected.
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.
Internal
fault
2A
2
Critica
l
Manual
clear/Power-
off clear
The UPS shuts
down.
Possible cause: The
battery relay or soft-start
resistor is damaged.
Measure: Contact
Huawei technical
support.
Internal
fault
2A
3
Minor
Automatic
clear
The power supply is
not affected.
Possible cause: The NTC
is not connected or is
damaged.
Measure: Contact
Huawei technical
support.
Internal
fault
2A
9
Critica
l
Automatic
clear
The inverter is shut
down.
Possible cause: The self-
load cable connection is
incorrect.