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UPS2000-A-(6 kVA-10 kVA)
User Manual
B Alarm Handling
Issue 05 (2019-12-19)
Copyright © Huawei Technologies Co., Ltd.
141
Alarm
Name
Alarm
Identifier
(Alarm ID)
WebUI
Decimal
System
Alarm
Identifier
(Alarm ID)
LCD
Heuristicim
al System
Alarm
level
Alarm
Clear
Mode
Impact on
the System
Repair Proposal
voltage was low.
Measure: Rectify the
fault and restart the
UPS.
Internal
fault
2A-13
42-19
Critical 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
42-20
Critical 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
42-23
Critical 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
42-24
Critical Manual
clear/Power
-off clear
N/A
Possible cause: The
EEPROM chip is faulty.
Measure: Contact
Huawei technical
support.