Table of Contents
Advertisement
FusionModule1000A40 IT Solution
Maintenance Guide (2016.05, AI Version)
4.17 UPS2000-G Alarms
Fault
Category
UPS2000-G
alarms
Issue 04 (2018-01-05)
Alarm
Symptom
Severity
Major
The mains
switch is
ON. The
LCD does
not display
anything.
The system
does not
perform
self-check.
Major
The mains
is normal,
but the AC
input
indicator is
off. The
UPS runs in
battery
mode.
Major
The UPS
does not
report
faults, but
has no
output
voltage.
Major
The UPS
does not
start after
you press
Major
The mains
indicator is
off.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Possible Cause
The input power
supply is not
connected.
The input voltage
is less than the
lower threshold or
greater than the
upper threshold.
The UPS mains
switch is OFF.
The input power
cable is not
securely
connected.
The output power
cable is not
securely
connected.
is not
pressed long
enough.
.
The UPS is
overloaded.
The mains voltage
or frequency
exceeds the UPS
input range.
4 Alarms and Faults
Troubleshootin
g
Check the UPS
input power cable
connection.
Use a multimeter
to verify that the
UPS input voltage
meets
specifications.
Turn on the UPS
mains switch.
Check the UPS
input power cable
connection.
Check the output
power cable
connection.
Press
for
more than 5
seconds until you
hear a beep
sound.
Shut down all
loads and restart
the UPS.
Use a multimeter
to verify that the
input voltage and
frequency meet
specifications.
59
Advertisement
Table of Contents
