A:AnswerI had little luck in finding your answer in a Google search. I would suggest that you contact the Bella company using the owners manual info, if you still have it.
A:AnswerThis pdf from the Bella website helped me.
https://assets.ctfassets.net/ysk73m19lyh8/3LGlepVtofzhvukIXJUzh9/d84b09fb183506aafe16c25b632411db/90228_90283_90284_BellaPro_MultiBrew_CoffeeMaker_IM_V3_R2.pdf