What does it mean when I see a red battery symbol on the touch panel? Blair April 10, 2019 20:52 Updated A red battery symbol on the touch panel is a signal to replace your lock's batteries as soon as possible. Related articles Why does my lock alarm after unlocking with the thumb turn? Handing Switch My lock has an audible alarm after I input the PIN code. The thumb turn does not work. Why is Alfred failing to lock? Comments 0 comments Please sign in to leave a comment.