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LG TV - Troubleshooting TV Intermittently Powers On/Off

  • Troubleshooting

At a Glance

If your TV is powering off/on by itself, this can be caused by improper ventilation, a loose power cord, or on/off timer being activated.


  1. Is the unit's power cord securely plugged-in to both the back of the TV and an electrical outlet?
    (Please check both locations, cords may come loose sometimes) Yes No
  2. Plug the unit securely into an electrical outlet. Loose cords are the leading cause of intermittent power issues.

  3. Is the TV well ventilated? Yes Ventilation Recommendations
    • Do not install in a confined space such as a bookcase.
    • Do not cover the product with cloth or other materials while plugged.
    • Do not install in excessively dusty places.
    • Keep the product away from direct sunlight.
    • When mounting a TV on the wall, make sure not to install the TV by hanging the power and signal cables on the back of the TV.
  4. Is the On/Off/Sleep timer set? No What is this?
  5. Press the setting button on the TV remote and select [All Settings][General][System][Time & Timer][Timers].

    image of the timers menu showing the power off timer option

    If the problem continues, service will be required for a proper diagnosis. Request a repair with our 24/7 Chat Support.

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  6. Service will be required for a proper diagnosis. Request a repair with our 24/7 Chat Support.

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*Required question

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