Hello.I have a problem with my forerunner 955 watch.I use it together with the trainer wahoo kick core.The problem isthat during training the power suddenly drops to a minimum.For example, I have set 250w and every now and then itdrops to 30-40w and I have set power in the range 250-255.If you work with the application eg. TrainerDay everythingworks ok,so the problem lies on the side of the watch.