What happens if I lose or break my Propeller sensors? Mandy 07 February 2019 11:37 Updated Follow Not to worry. Simply call or email us so we can get you what you need. Related articles MDI Sensor Technique I have changed medications. How do I get a new sensor? What do I do with my old sensor? How do I know if my sensor has stopped working? What is my group name? Diskus sensor technique Comments 0 comments Please sign in to leave a comment.