We have been happily using an Animas Vibe for the last 7 months. Just over the last few weeks I have noticed that there is IOB showing when there should be none. Our Insulin Action is set for 3 hours but even at 3.5 hours the pump can show .24 unit IOB.. Has anyone else here noticed this? There was a poster on TuDiabetes who had found the same thing and a couple in NZ. Animas are investigating.... but so far have found nothing.