LG 55EC930T User Manual download pdf (Page 29)

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MAINTENANCE / TROUBLESHOOTING

MAINTENANCE

Cleaning Your TV

Clean your TV regularly to keep the best performance and to extend the product lifespan.

CAUTION

y Make sure to turn the power off and disconnect the power cord and all other cables first.

y 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.

Screen, frame, cabinet and stand

y To remove dust or light dirt, wipe the surface with a dry, clean, and soft cloth.

y 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.

CAUTION

y Avoid touching the screen at all times, as this may result in damage to the screen.

y Do not push, rub, or hit the surface with your fingernail or a sharp object, as this may result in scratches on the

screen and image distortions.

y Do not use any chemicals as this may damage the product.

y Do not spray liquid onto the surface. If water enters the TV, it may result in fire, electric shock, or malfunction.

Power cord

Remove the accumulated dust or dirt on the power cord regularly.

TROUBLESHOOTING

Problem Solution

Cannot control the TV with

the remote control.

y Check the remote control sensor on the product and try again.

y Check if there is any obstacle between the product and the remote control.

y Check if the batteries are still working and properly installed (

to , to ).

No image display and no

sound is produced.

y Check if the product is turned on.

y Check if the power cord is connected to a wall outlet.

y Check if there is a problem in the wall outlet by connecting other products.

The TV turns off suddenly. y Check the power control settings. The power supply may be interrupted.

y Check if the Sleep Timer or Timer Power Off feature is activated in the TIMERS set-

tings.

y If there is no signal while the TV is on, the TV will turn off automatically after 15 min-

utes of inactivity.

When connecting to the PC

(HDMI/DVI), ‘No signal’ or

‘Invalid Format’ is displayed.

y Turn the TV off/on using the remote control.

y Reconnect the HDMI cable.

y Restart the PC with the TV on.

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LG 55EC930T User Manual Page 29

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