User's Manual

43
Failure Possible Cause Solution
Not sound and
image
Ɣ
Check whether the power plug is inserted into the power
socket and whether the panel is powered on.
Ɣ
Check whether the rocker switch on the interactive
panel is switched on.
Ɣ
Check whether the standby button on the panel is
pressed.
Ɣ
Check whether the video and audio input cables are
connected correctly.
Ɣ
Check whether the panel is switched to the right signal
source.
Ɣ
Check the settings on image brightness and contrast.
Ɣ
Check the volume.
Image is normal,
but no sound
Ɣ
Check the volume.
Ɣ
Check whether the MUTE button on the remote
controller is pressed.
Ɣ
Check whether the audio cable between the PC and
interactive panel is connected correctly.
No image or the
image is black
and white
Ɣ
Modify the color settings.
Ɣ
Check the color system.
Image or sound
is interrupted
Ɣ
Find out the electric appliance that causes the
interference and move it away from the interactive panel.
Ɣ
Do not share the power socket of the panel with the
electric appliance that causes interference.
The remote
controller fails
Ɣ
Change the batteries.
Ɣ
Clean the signal emitter at the top of the remote
controller. (Check whether it is blocked.)
Ɣ
Check contacts of the batteries.
Computer
cannot be
started
(applicable for
models with
computers)
Ɣ
Check whether the PC adapter is correctly connected
and whether the PC is powered on.
Ɣ
Check whether the PC is connected correctly to the
interactive panel.