33
FAQ & Troubleshooting
Failure
Possible Cause
Solution
The service program
fails to be connected.
The drive program is not
correctly installed.
Install the drive program correctly.
The USB port (lead) is not
connected or is faulty.
Change the USB lead or check if
the USB port is faulty.
The infrared tube is
blocked.
Ensure that the surrounding
infrared tubes are not blocked.
Repositioning is
required every time
the panel is switched
on.
The computer is equipped
with a recovery card.
Disable computer protection and
perform the positioning again.
The calibration is
inaccurate.
The positioning is not
performed properly.
Press
AUTO
on the remote
controller to show the full screen,
and use the pen provided with
the panel to perform positioning
again.
Not sound and image.
●
Check whether the power plug is inserted into the power
outlet and whether the panel is powered on.
●
Check whether the rocker switch on the interactive touch
screen is switched on.
●
Check whether the power button on the panel is pressed.
●
Check whether the video and audio input cables are
connected correctly.
●
Check whether the panel is switched to the right signal
source.
●
Check the settings on image brightness and contrast.
●
Check the volume.
Image is normal,
but no sound.
●
Check the volume.
●
Check whether the
MUTE
button on the remote controller is
pressed.
●
Check whether the audio cable between the PC and
interactive touch screen is connected correctly.
No image or the
image is black and
white.
●
Modify the color settings.
●
Check the color system.
Before you contact the technical support staff, please identify a fault according to the
following table. If the fault cannot be restored based on the solutions, contact the local
distributor for help. For your safety, please do not repair the product by your own.
