Honeywell L5100 Frequently Asked Questions

How Do I Power Cycle My Wireless Alarm System?
To power cycle your wireless system, drop both battery and AC power to shut down. Power on by connecting battery first, and AC power second. Learn to power cycle a wireless system.
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How Do I Reset My Wireless Alarm System
The two types of resets you can perform for a wireless security system include a power cycle reset and a factory default reset. Learn to reset your wireless alarm system.
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How Do I Upgrade My Honeywell L5100 to a Honeywell PROA7PLUS?
The PROTAKEOVER Module allows you to take most of the existing sensors for Honeywell L5100 and continue using them with your PROA7PLUS. Learn about the PROTAKEOVER Module.
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How Do I Change the Master Code On a Honeywell LYNX Touch?
The Master Code on a LYNX Touch is used for arming/disarming and accessing the Master Tools Menu. We advise changing the security code. Learn to change the LYNX Touch Master Code.
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How Do I Change the Installer Code On a Honeywell L5100?
Alarm Grid does not advise changing the Installer Code on an L5100 from its default of 4112. This prevents you from being locked out of programming. Learn about Installer Codes.
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Can I Update the Firmware On a Honeywell L5100 Alarm System?
Honeywell does not offer any method for upgrading a Honeywell L5100 System. You must upgrade to a newer panel, such as a Honeywell Lyric. Learn about the L5100.
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How Do I Reset the Master Code for a LYNX Touch System?
If you can get into programming on a LYNX Touch System, then you can reset the Master Code back to its default of 1234. Learn how to reset the Master Code for a LYNX Touch System.
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How Does RF Supervision Work On a Honeywell LYNX Touch System?
Honeywell 5800 Sensors check-in every 70 to 90 minutes. The LYNX Touch must receive a signal at least once every 12 hours or RF supervision loss will occur. Read on to learn more.
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How Do I Find the Firmware Revision for My Honeywell LYNX Touch System?
The firmware for a Honeywell LYNX Touch can be found within the Test Menu of the Master Tools Menu. It will be displayed at the top of the screen. Learn how to use the LYNX Touch.
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How Do I Backdoor Into Programming on a Honeywell LYNX Touch System if I am Locked Out?
You will know that you are locked out of programming on a LYNX Touch because nothing will happen when you click "Program". Learn how to get into programming if you are locked out.
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