How do I make a 5834-4 operate in high security mode?

The Honeywell 5834-4 is a 4 button, 8 function keyfob for arming and disarming a Honeywell security system. All Honeywell panels that are compatible with 5800 series wireless products can use the 5834-4. This includes Honeywell Vista panels with a wireless receiver, Lynx Touch systems and the new Lyric system.

The 5834-4 can interact with the main alarm system as long as it’s within range of the wireless receiver. Typically the key fob can interact with the receiver up to 50 feet away. In addition to each button being fully programmable, button pairs are able to be pressed simultaneously to access an additional 4 programmable button features (button combinations - A&B, A&C, B&D, C&D). The two color LED on the fob lights up when the unit is transmitting. If there is no LED action when a button is pressed, the units battery is low or dead and needs to be replaced.

High Security mode is a special feature that allows the key fob to send encrypted communication to its alarm panel, and is enabled by default. The key fob uses a “Rolling Encryption” method to encrypt each signal sent to the panel. The panel then anticipates the next signal based on the encryption code. This provides much more protection to the key fob’s wireless signals. Lynx Touch and Lyric systems are fully compatible with this mode; Vista systems will need an appropriate receiver such as the 6150RF, 6160RF, 5883 or 5881EN.

5834-4 devices manufactured prior to May, 2015 came from the factory defaulted to Low Security mode. To place the unit into High Security mode, do the following:

Press and hold the A, C and D keys simultaneously for five seconds:


When the mode is set, the LED at the top of the key fob will light steady Red for several seconds, then turn off.

If you wish to return the unit to normal mode, press the B, C and D keys simultaneously for five seconds. When this mode is set, the LED at the top of the key fob will light steady Green for several seconds, then turn off. While in High Security mode the key fob LED will blink red when transmitting; when in normal mode the LED blinks green when transmitting.

Step by step instructions on how to program a 5834-4 in High Security mode to a system can be found here.

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