Frequently Asked Questions

How Do I Arm My Lyric to Stay?
Arm Stay is the option to use if you are staying inside the building and there should be nobody coming or going from the property. Learn how to set your Lyric to Arm Stay mode.
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How Do I Change the Batteries in a Honeywell SiXSIREN?
The Honeywell SiXSIREN uses four AA batteries for power. To change the batteries, you must remove the back cover. Learn how to change the Honeywell SiXSIREN batteries.
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What is the Power Source for a Honeywell VISTA 20P?
The Honeywell VISTA 20P uses a Honeywell 1321 AC Transformer for power. It can also use a backup battery with at least 12V and 4Ah of power. Learn how to power the VISTA 20P.
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How Do I Find the Serial Number on a Honeywell 5800PIR-RES?
The Serial Number for a Honeywell5800PIR-RES can be found on a sticker on the back of the sensor. It can also be found by programming it into a panel. Learn about the 5800PIR-RES.
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Why Can't I Use Z-Wave Security Sensors With My Alarm System?
Alarm system manufacturers still deem Z-Wave security sensors to be too unreliable for general use. Z-Wave is best-suited for automation functions. Learn about Z-Wave technology.
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What is AlarmNet?
AlarmNet is best known as the division of Resideo (formerly Honeywell) that manages Total Connect 2.0 and maintains the AlarmNet360 Servers. Learn about AlarmNet.
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What Do the Buttons Mean on a Honeywell Alarm Key Fob?
A four button Honeywell Key Fob has designated buttons for Arming Away, Arming Stay, Disarming and Panic. But each input can be set individually. Learn about Honeywell Key Fobs.
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Why Is My Honeywell L5100 Showing a Blank Screen?
The screen for a Honeywell L5100 will go blank whenever the system is not powered on. Restore power to restore the screen. Learn about the Honeywell L5100 Alarm System.
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Honeywell 5881ENH vs Honeywell 5881ENM
The 5881ENH and 5881ENM are both wireless receiver modules for VISTA Panels. The difference between them is the number of zones they support. Learn about these wireless receivers.
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Can I Program My VISTA 21iP To Use IP Only?
A brand-new VISTA 21iP comes with a built-in IP communicator for a wired ethernet connection. A cellular communicator will need to be added separately. Learn about the VISTA 21iP.
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