Greetings from the Roku Community, @Klh0722!
Thanks for joining us here and for letting us know about your concern with your Hisense Roku TV. We're here to help you contact the right support.
Please be informed that Hisense manufactures its own player hardware and is responsible for issues like this. We only support your TV's running software operating system. It is highly recommended that you raise your concern directly with their Support, as this could be a power issue.
You may reach them here: Hisense Support
I hope you find this information helpful.
Best regards,
Carly
Carly Y.
Roku Community Moderator