During rides, workouts regularly getting power drop-out where for a moment power goes to zero; particular problematic in work-outs and can result in exiting ERG mode, or in races or hard climbs, where even an instant of power interruption results in “going backward” in a hurry. Is this from the SW, Bluetooth, or my Wahoo kicker?
This sound a lot like an issue I had but I was connecting through ANT+ not Bluetooth with a Kickr and a Windows PC. I would try to connect via ANT+ if using a PC or Mac and pair power and controllable trainer using the FEC option. See the following: