This topic has 0 replies, 1 voice, and was last updated 11 months, 3 weeks ago by Emma Clark. Viewing 1 post (of 1 total) Author Posts April 11, 2024 at 6:02 pm #9526 Emma ClarkParticipant I need to replace a malfunctioning Lenel LNL-1100-S3 (Security Alarm Input Control Module Board, Series 3) in our security system. Can anyone provide guidance on how to proceed with the replacement? Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In