strange noise?

hi my zanussi zjd12191works fine until it get to 14 minutes before the end of the wash and then it makes a strange whining noise as if a pump is running but there is no sign of any water entering the drum this lasts for about 1 minute and then another pump starts ( much quieter )and then it pumps water into the drum via the door seal inlet other that this the machine work ok any suggestions many thanks