We have a Roku that has to be paired everytime we turn the tv on. This just started happening about a month ago but I am wondering if there is an issue with the remote. We have also had to change the batteries several times which is extremely unusual for any remote.
Batteries need to be changed every so often. I change maybe twice a year. Maybe not that often, but it happens rarely enough that I don't keep up with it.
As for the losing of the pairing, that is indeed unusual. That can happen if the device is powered down for an extended period of time. Roku devices aren't designed to be powered down -- except the Roku 4, which was only sold from October 2015 - October 2016. Are you powering yours down? That is, disconnecting power from the device?
Oh, and what device do you have? Model number, and Roku software version, is always helpful. Settings > System > About
DBDukes Roku Community Streaming Expert
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Roku Ultra Remote not pairing (pairing light stays on)
So uh basically my roku remote won't connect to my roku ultra I've tried everything from support and it doesn't work I try putting new batteries in the remote and then the pairing light stays on for 10 seconds then turns off