My lock has an audible alarm after I input the PIN code. Blair April 10, 2019 20:45 Updated Follow Please check if anything is blocking the bolt. If not, please contact Alfred at email@example.com for further assistance. Related articles Why is Alfred failing to lock? What weather conditions / environments are optimal for Alfred? Why does my lock alarm after unlocking with the thumb turn? What should I do if I forget my Master PIN Code? What happens if I cannot find my lock on the Alfred app? Comments 0 comments Please sign in to leave a comment.