If your Hisense TV has a red light flashing with no picture, whether 2 times, 3 times, or 6 times, then you can diagnose the cause, and find out how to fix it, using this video.
In most cases, you have a main board or power board failure, but sometimes the cause can be with the internal components, or even something as simple as a software glitch.
Read the full article:
https://www.lapseoftheshutter.com/hisense-tv-red-light-flashing/
You can also read the separate articles:
Your Hisense TV red light blinks 2 times - https://www.lapseoftheshutter.com/hisense-tv-red-light-blinks-2-times/
Your Hisense TV red light blinks 3 times - https://www.lapseoftheshutter.com/hisense-tv-red-light-blinks-3-times/
Your Hisense TV red light blinks 6 times - https://www.lapseoftheshutter.com/hisense-tv-red-light-blinks-6-times/