Huawei eSpace IAD Troubleshooting Manual page 71

eSpace IAD
Troubleshooting
Indicato
r
ALM
indicator
Indicators of the IAD1224
Boa
rd
CV
P
Issue 02 (2012-02-29)
Name Color
ALM Red
Indi Na Col Status
cator me or Description
POW PW Gre Off when the IAD
ER R en is powered on
indic
ator
RUN RU Gre Off when the IAD
indic N en is powered on
ator
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
3 Co mmon Troubleshooting Methods
Abnorm Fault
al Status Type
IAD is failed to
powered start.
on
Fast System
blinking fault: The
(0.5s on IAD
and 0.5s failed to
off) all start.
the time
Fast System
blinking fault: The
(0.5s on IAD takes
and 0.5s a long
off) and period to
then start.
blinking
(1s on
and 1s
off)

Blinking Syste
m
fault

Call
fault
Fault Type
System fault: The
IAD failed to start.
System fault: The
IAD does not
respond or the
serial port is
faulty.
Cause and Rectification
Method
repaired.
The program file is
corrupted. Reload the latest
program file by referring to
the upgrade guide.
Rectify the fault by referring
to the troubleshooting guide.
The IAD generates an alarm
at the critical severity or
above. This alarm may
affect the operation of the
IAD or the normal
utilization of the service. For
details, see Processing IAD
Alarms.
Cause and
Rectification
Method
If the AC power
supply is normal,
and boards are
installed properly,
a board is faulty
and needs to be
repaired.
1. Press the Reset
button to restart
the device (Do
not turn off the
power;
otherwise, the
66