The present invention discloses an automatic endoscope washer. Wherein the cleaning processes can be done in several steps. First the infected endoscope can placed in the sink by opening the endoscope washer door. Then the internal nozzles are attached to the endoscope unit for the internal cleaning. The infected endoscope can be cleaned externally and internally at same time. By selecting auto cycle in the machine it starts the cleaning processes. First the rinsing with water and air drying can be done. After that sterilizing with chemical and air drying can be done. Again it performs the water rinsing and air drying operations. At last it sterilizes the endoscope with the ozone gas. After completing the processes the hydraulic door will get open automatically.
