You have a Library Account which you can log in( See Logging in tab) from any page of the Library Catalogue, this will . show what you have on loan and when your items are due back as well see any fines you owe the Library or what reservations you have.
Once you have logged you will be shown a summary of your Library account with all your current loans and whether they will be auto renewed for you or not.
If you have any overdue, reservations or fines they will be displayed in Tabs at the top of the page
Down the left side of your account screen there will be buttons that you can can use to see what you have previously borrowed from the library, items you have searched for whilst logged in and a detailed record of your fines.