UPS2000-A-(6 kVA-10 kVA)-RTL
User Manual
A Alarm Handling
Issue 07 (2020-01-10)
Copyright © Huawei Technologies Co., Ltd.
92
Alarm
Name
Alarm
ID
Alarm
Cause
ID
Alarm
level
Alarm
Clear Mode
Impact on the
System
Repair Proposal
fault and restart the
UPS.
Internal
fault
2A
13
Critica
l
Power-off
clear
The UPS shuts
down or transfers to
another working
mode.
Possible cause: The
hardware is damaged.
Measure: Contact
Huawei technical
support.
Internal
fault
2A
14
Critica
l
Automatic
clear
The UPS shuts
down or transfers to
working mode; the
charger stops
working.
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
17
Critica
l
Manual
clear/Power-
off clear
The UPS shuts
down.
Possible cause: The M4
or CPLD chip is faulty.
Measure: Contact
Huawei technical
support.
Internal
fault
2A
18
Critica
l
Manual
clear/Power-
off clear
N/A
Possible cause: The
EEPROM chip is faulty.
Measure: Contact
Huawei technical
support.
Internal
fault
2A
1B
Critica
l
Power-off
clear
The inverter shuts
down. The UPS
transfers to bypass
mode or has no
output.
Possible cause: The
inverter is faulty.
Measure: Contact
Huawei technical
support.
Internal
fault
2A
1C
Critica
l
Power-off
clear
The UPS shuts
down or transfers to
another working
Possible cause: The
inversion relay is faulty.