Troubleshooting - LG OLED88Z3PUA Owner's Manual

In TV / HDMI input, press the
Cannot control the TV with
the remote control.
No image display and no
sound is produced.
The TV turns off suddenly.
Abnormal Display
Generated Sound
The TV does not turn on
continuously due to Always
Ready mode operation or
does not automatically
turn on by sensor.
• Make sure to wring any excess water or cleaner from the cloth.
• Do not spray water or cleaner directly onto the TV screen.
• Make sure to spray just enough of water or cleaner onto a dry cloth to wipe the screen.
12

Troubleshooting

button on the remote control three times to display the model name and serial number on the screen.
• Check if anything such as tape has been placed over the receiver.
• Check if there is any obstacle between the product and the remote control.
• Replace the batteries with new fresh ones.
• 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.
• Check the power control settings. The power supply may be interrupted.
• Check if the auto-off function is activated in the settings menu.
• The auto-off function may have worked. This product is equipped with an auto-off function that automatically
turns off the power if the remote control is not used for 15 minutes without an input signal.
• If the product feels cold to the touch, there may be a small "flicker" 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
colored dots (white, red, blue or green) at a size of 1 ppm on the panel. This does not indicate a malfunction and
does not affect 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 find different brightness and color of the panel depending upon 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.
• Avoid touching the screen or holding your finger(s) against it for long periods of time. Doing so may produce some
temporary distortion effects on the screen.
• Cracking noise A cracking noise that occurs when watching or turning off 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 upon the product. This
generated sound does not affect the performance and reliability of the product.
• The motion sensor is located on the bottom center of the TV.
• The motion sensor is only supported by some models.
• If there is a foreign substance on the motion sensor, it may not work properly.
• If the environment around the TV is too bright or too dark, the motion sensor may not work properly.
• Obstacles in front of the TV may affect the detection function of the motion sensor.
• It can operate by recognizing changes in lighting around the TV or movement of objects (pets/robot vacuum
cleaners, etc.).
• To stop using the Always Ready mode in
or to use only the General Always Ready mode function, you can select Enable Always Ready mode, turn off the
screen, and then stop using the motion sensor in [Always Ready Settings]. The screen-on function with the motion
sensor can be set by adjusting the performance of the sensor through the [Always Ready Settings] → [Motion
Sensor Sensitivity] setting.
→ [ ] → [General] → [Always Ready] → [Enable the function],