An object of the present invention is to detect occurrence of defects in a sensor.A power source unit 300 includes a microphone capacitor 331 detecting conditions for aerosol generation, a PCT thermistor 332 outputting a value that changes in accordance with an electrical change of the microphone capacitor 331, and a control unit 340 detecting whether the microphone capacitor 331 is in a normal state or an abnormal state based on the value output by the PCT thermistor 332.本發明之課題係在於檢測感測器之缺失的發生。電源單元300係具備：檢測出霧氣生成要求之麥克風電容器331；依據麥克風電容器331之電性變化而輸出變化之值的PTC熱敏電阻332；以及依據由PTC熱敏電阻332輸出之值，檢測出麥克風電容器331之狀態為通常狀態及非通常狀態之哪一狀態的控制部340。
