I got a silver crest microwave cant find my book when i got it was a replancment for the one i had broke down what happing now i see when i turn it on the window is white on top of the blue could you help . modle smw800a1 ian46296 manfactor 03/2010 bs1003s1 . my name mrs m stewart 67 innisfree gardnes strabane .co tyrone northern ireland bt82 8je email address margarestewart@aol.com many thanks