I use TPV on my laptop. Two weeks ago, I explored routes and scheduled a challenge, closed my laptop (but left TPV open), then went downstairs to start the workout. When I reopened, it seemed like everything connected correctly. But when I entered the pen, TPV couldn’t read any wattage from my KickR. I closed TPV and reopened the app, which reconnected.

Could be weird to replicate, but I hope it helps.