Modified on: Tue, 25 Jun, 2019 at 5:45 PM
Here you will learn how to reset a Honeywell LYNX Plus L3000 wireless security system to re-enter the programming.
Resetting a L3000 is typically needed when a person moves into a new house and they find a Honeywell LYNX Plus L3000 already installed but they cannot enter programming because the installer code has been changed from default or they have forgotten the installer code.
The default installer code for a Honeywell LYNX Plus L3000 is 4112. So if you want to enter the programming mode you must select 4112 800 from there you should see installer code 20 or just 20. If you don't see this displayed on your keypad than you will need to reset the LYNX Plus L3000 system shown below.
To Reset the Honeywell LYNX Plus L3000:
1) Remove the power transformer & backup battery so there is no power to the LYNX L3000 control panel. “To verify this make sure there is no power to your keypad”.
2) Next, you can power your L3000 back on by first plugging in your alarm backup battery followed by your transformer within 40 seconds and you should see AC or D1 on the keypad.
3) Press and hold * and # for three seconds on the programming keypad from there you should see INSTALLER CODE 20 or 20.
4) Press *20 4112 (You should here 3 beeps) this will indicate that you have successfully reset your Honeywell LYNX Plus L3000 .
Once you have competed any programming necessary you can press *99 to exit the programming mode of the Honeywell L3000.
Note: This method can only be achieved when the system is disarmed, if the system is armed you will not be able to do any kind of programming.
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