#$%^&*AU2020204039A120200709.pdf#####1003052929 ABSTRACT A method of operating an infusion device to deliver fluid to a user in accordance with an operating mode, the method comprising: obtaining operational information pertaining to one or more prior instances of the operating mode; obtaining status information pertaining to the infusion device; determining a diagnosis time based at least in part on the operational information, the diagnosis time being prior to a subsequent instance of the operating mode; automatically determining viability of the subsequent instance of the operating mode based at least in part on the status information at the diagnosis time; and automatically generating a notification indicative of a recommended action for the user based at least in part on the viability.