LG 55LM8600 - System Management and Troubleshooting; Returning to Initial Settings

ENG
ENGLISH
MAINTENANCE / TROUBLESHOOTING
31
MAINTENANCE
Cleaning Your TV
Clean your TV regularly to keep the best performance and to extend the product lifespan.
CAUTION
• Make sure to turn the power off and disconnect the power cord and all other cables rst.
• When the TV is left unattended and unused for a long time, disconnect the power cord from the wall
outlet to prevent possible damage from lightning or power surges.
CAUTION
• Avoid touching the screen at all times, as this may result in damage to the screen.
• Do not push, rub, or hit the surface with your ngernail or a sharp object, as this may result in scratches
on the screen and image distortions.
• Do not use any chemicals as this may damage the product.
• Do not spray liquid onto the surface. If water enters the TV, it may result in re, electric shock, or
malfunction.
Screen,frame,cabinet and stand
To remove dust or light dirt, wipe the surface with a dry, clean, and soft cloth.
To remove major dirt, wipe the surface with a soft cloth dampened in clean water or a diluted mild
detergent. Then wipe immediately with a dry cloth.
Power cord
Remove the accumulated dust or dirt on the power cord regularly.
TROUBLESHOOTING
Problem Solution
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 off
suddenly.
• Check the power control settings. The power supply may be interrupted.
• Check if the Auto sleep feature is activated in the Time settings.
• If there is no signal while the TV is on, the TV will turn off automatically after
15 minutes of inactivity.
When connecting to the
PC (RGB/HDMI DVI),
‘No signal’ or ‘Invalid
Format’ is displayed.
• Turn the TV off/on using the remote control.
• Reconnect the RGB/HDMI cable.
• Restart the PC with the TV on.