the customer reported via phone call that he changed the infusion set yesterday, and today, the insulin pump is showing 0.0 for active insulin and the reservoir is still full. the customer thought the device was telling him that he needed to change the infusion set again. advised that this is not what the device is indicating, and explained active insulin. the customer also reported that he treated for a high blood glucose of 408 mg/dl with a manual injection. offered to troubleshoot for high blood glucose levels but the customer stated he needed to order supplies.The insulin pump was not returned for analysis at this time.