107
Troubleshooting
A
ppe
ndix
Troubleshooting
If the Videoconferencing Terminal does not function
correctly, check the following.
Symptom
Cause
Solution
The power is not
turned on.
The power switch is
not set to on.
Press the power
switch on the right
side (page 22).
The message
“The cooling fan is
malfunctioning.”.
The cooling fan
built in the system
has stopped.
Consult your
HUAWEI dealer.
No sound or the
volume is very
low.
The volume of the
System is too low.
Adjust the sound
volume by pressing
the
button on the
ViewPoint 8050
(page 61).
The microphone on
the remote party is
turned off.
Ask the remote
party to turn on the
microphone.
The microphone or
external equipment
is not connected
correctly.
Check the
connection.
No picture.
The selected
picture source is
not tuned on.
Turn on the
selected video
equipment.
The selected
picture source is
not correctly
connected to the
system.
Check the
connections.
A voice
communication is
held.
This is not a
malfunction.
Movement of the
camera is
prevented.
Turn off the
Videoconferencing
Terminal, then turn
it on again.
The lens cover is
closed.
Slide the lever for
lens cover to the
right to open the
lens cover (page
22).
No connection.
Wrong number was
dialled.
Check the entered
number.
The registered
items in the Phone
Book are not
correct.
Register the party
correctly referring
to “Registering a
Remote Party in the
Phone Book” on
page 41.
No connection.
Some of the system
settings are not
correct.
Set the system
settings correctly
referring to
“Registering Local
Information” on
page 29.
The IP address and
network mask are
not set correctly.
Ask the system
administrator to set
them correctly
(page 32).
The LAN cable is
disconnected.
Connect correctly
(page 20).
The LAN cable is
connected to the
incorrect connector.
Connect correctly
(page 20).
The LAN cable is
down.
Replace the cable
with a new one.
The cable
exclusively
designed for the
ISDN connection is
used for LAN
connection.
Use the cable for
LAN connection.
Incorrect type of
cable (cross or
straight cable) is
used for the LAN
connection.
Use the correct
type of cable.
If you repeat
plugging/
unplugging or
turning on/off, you
may not connect to
the network for a
while.
Turn off the power
of the system and
wait for a few
minutes before
turning it on again.
LAN connection
timeout.
Try again later.
Packet for
videoconferencing
is not acceptable
under the current
LAN environment.
Consult with the
system
administrator so
that the packet for
videoconferencing
becomes
acceptable under
your LAN
environment.
The remote
terminal is not
turned on.
Ask the remote
party to turn on the
terminal.
It takes a long time
for the remote party
to be able to
answer from the
standby mode.
Ask the remote
party to cancel the
standby mode.
The remote party is
in communication
with another party.
Call the remote
party after they end
the communication
with another party.
Symptom
Cause
Solution