By design, the wcn/3 does not have the opt-in/out features of earlier WCN series. It produces a small noise when avatars enter its charging radius and that's it. Depending on the settings you may need to get somewhat closer to notice an appreciable charge rate, especially since the new HUD is not terribly forward about indicating when charging is in progress. (It shows a downward zig-zag arrow next to the power usage bar instead of the normal triple-chevron.) It is unlikely that this report describes anything abnormal.