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Hi Becki and welcome to JustAnswer,Thank you for the question and your patience. Should you still need assistance for information purposes only...Initially, bear with us; re-confirm and post back with the complete model number of the TV.
Have you / can you please unplug the TV for an extended period of time? ...say an hour or even more?
Then determine if the "...flashing red light..." would start immediately upon plugging back in? ...or only after attempting to turn on?