Below is a list of potential ways to fix your Smart TV turning itself off randomly:

1. Check the power outlet to make sure it’s securely connected.
2. Make sure your Smart TV is the only device connected to the outlet.
3. Make sure that the settings for the TV’s power-saving mode are being properly applied.
4. Reboot the TV to see if the issue is resolved.
5. Check for any software updates and install them.
6. Ensure that the TV has you in the proper temperature range and away from areas of heat or moisture.
7. If the issue still persists, contact the manufacturer’s customer service department for further assistance.