51
Failure
Possible Cause
Solution
The remote controller
fails
Change the batteries.
Clean the signal emitter at the top of the remote controller.
(Check whether it is blocked.)
Check contacts of the batteries.
Computer cannot be
started (applicable for
models with
computers)
Check whether the PC adapter is correctly connected and
whether the PC is powered on.
Check whether the PC is connected correctly to the interactive
panel.
The following symptoms are not faults:
A very few of constantly bright or dark pixels, such as tiny red, blue, green or dark
points, may exist on the LCD. This symptom is not a fault and does not affect
running functions of the panel.
Slight sound may occur due to the backlight adjustment or ventilation. This is a
normal symptom.
The image and sound are normal. However, you can sense static electricity when you
touch the LCD and metal back cover. This is a normal symptom.