An endoscope apparatus including a connector included in an endoscope and connected to an endoscope connection portion of a video processor, a fluid feeding apparatus including a tube configured to transmit fluid to the endoscope, a connection detector configured to detect a connection state of the tube with the connector of the endoscope, a control unit configured to detect an ON/OFF state of a power source of the fluid feeding apparatus, determine an abnormality exists when the connection detector detects that the tube is in a disconnected state with the connector of the endoscope and the power source of the fluid feeding apparatus is detected to be in an ON state, and output a notification of the determined abnormality, and a display configured to display the notification of the abnormality outputted by the control unit.