Change Installer Code

https://www.youtube.com/watch?v=yqcCMjwd1C0 To change the Honeywell Lyric Controller Installer Code from the home screen select Security > Tools > enter the current installer code "default is 4112" > Program > Installer Code > Clearn > enter new 4 digit code you desire > Done > back out of Lyric programming menu > Test the new installer code by trying to re-enter programming with new code. As an extra level of security feature for the "End User", the installer code can only disarm the system when it was used to arm it.