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13
Troubleshooting
Cannot control the TV with the remote control.
•  Check the remote control sensor on the product and try again.
•  Check if there is any obstacle between the product and the remote
control.
•  Check if the batteries are still working and properly installed (
to , to ).
No image display and no sound is produced.
•  Check if the product is turned on.
•  Check if the power cord is connected to a wall outlet.
•  Check if there is a problem in the wall outlet by connecting other
products.
The TV turns o suddenly.
•  Check the power control settings. The power supply may be
interrupted.
•  Check if the Sleep Timer / Timer Power Off is activated in the
Timers settings.
•  Check if the Auto Power O is activated in the General -> Eco
Mode settings. (Depending on model)
•  If there is no signal while the TV is on, the TV will turn o
automatically after 15 minutes of inactivity.
When connecting to the PC (HDMI), No Signal or ‘Invalid Format is
displayed.
•  Turn the TV o/on using the remote control.
•  Reconnect the HDMI cable.
•  Restart the PC with the TV on.
Abnormal Display
•  If the product feels cold to the touch, there may be a small “icker”
when it is turned on. This is normal, there is nothing wrong with
product.
•  This panel is an advanced product that contains millions of pixels.
You may see tiny black dots and/or brightly coloured dots (red, blue
or green) at a size of 1ppm on the panel. This does not indicate a
malfunction and does not aect the performance and reliability
of the product.
This phenomenon also occurs in third-party products and is not
subject to exchange or refund.
•  You may nd dierent brightness and color of the panel depending
on your viewing position(left/right/top/down).
This phenomenon occurs due to the characteristic of the panel.
It is not related with the product performance, and it is not
malfunction.
•  Displaying a still image for a prolonged period of time may cause
image sticking. Avoid displaying a xed image on the TV screen for
a long period of time.
Generated Sound
•  “Cracking noise: A cracking noise that occurs when watching or
turning o the TV is generated by plastic thermal contraction due
to temperature and humidity. This noise is common for products
where thermal deformation is required.
•  Electrical circuit humming/panel buzzing: A low level noise is
generated from a high-speed switching circuit, which supplies a
large amount of current to operate a product. It varies depending
on the product.
This generated sound does not aect the performance and
reliability of the product.
13


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