Check whether the power plug is off or the multitap socket is pulled out.
If you do nothing for 5 minutes after turning on the power, Power Saving will be activated and turn off the display.
To disable Power Saving, press any button or open and shut the door.
Check if the socket is normal.
If the socket is normal but the display is still not lit after you open and close the door or press the button, call LGE Service for an inspection.
When the letters on the display are partly invisible or look broken, call LGE Service for an inspection.
This guide was created for all models, so the images or content may be different from your product.