Reset Installer Code - Forgot Installer Code

To reset your Honeywell LYNX Plus L3000 installer code simply depress the two tabs on the top of

panel > unplug backup battery > unplug power transformer > wait 10 seconds > plug battery

back in > plug-in power transformer > get back to the control panel within 1 min >

hold * and # until you see 20 > once you see this hit *20 > followed by 4112 > the panel will beep

acknowledging you have successfully defaulted the installer code to factory.