The back door of Belliman sterilizer won't open.

Do not open the door during disinfection. Vacuum is pumped inside the sterilizer, which is negative pressure. In order to prevent the leakage of hydrogen peroxide and affect the sterilization quality, Belliman sterilizer cannot open the door during sterilization to ensure the safety during sterilization. Sterilizer is an instrument that can kill or remove all microorganisms on the medium, including bacterial spores and non-pathogenic microorganisms.