My lock has an audible alarm after I input the PIN code. Blair April 10, 2019 20:45 Updated Please check if anything is blocking the bolt. If not, please contact Alfred at firstname.lastname@example.org for further assistance. Related articles Why is Alfred failing to lock? Handing Switch The thumb turn does not work. How long does a Bluetooth™ share link last? How do I restore my Alfred DB series to factory settings? Comments 0 comments Please sign in to leave a comment.