Huawei UPS2000-A-RTL Series User Manual page 101

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
Internal 2A
fault
Issue 07 (2020-01-10)
Alarm Alarm Alarm
Cause level Clear Mode
ID
24 Critica Manual
l clear/Power-
off clear
25 Critica Manual
l clear/Power-
off clear
26 Critica Manual
l
clear/Power-
off clear
27 Critica Manual
l
clear/Power-
off clear
28 Critica Manual
l
clear/Power-
off clear
Copyright © Huawei Technologies Co., Ltd.
Impact on the
System
The charger stops
working.
The charger stops
working.
The charger stops
working.
The charger stops
working.
The charger stops
working.
A Alarm Handling
Repair Proposal
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
charger is faulty.
Measure: Contact
Huawei technical
support.
Possible cause: The
charger output is short-
circuited.
Measure: Resolve the
short-circuit issue (if
any) for the battery
wiring terminal, clear the
alarm, and restart the
UPS. If the alarm
persists, contact Huawei
technical support.
Possible cause: The
charger is faulty.
Measure: Contact
Huawei technical
support.
Possible cause: The
charger is faulty.
Measure: Contact
Huawei technical
support.
Possible cause: The
charger is faulty.
Measure: Contact
Huawei technical
94