Honeywell VISTA-20P Frequently Asked Questions

Can I Increase the Max Number of Zones On My Hardwired Security System?
To utilize all of zones on a wired alarm system, it is necessary to add wired zone expansion modules and/or a wireless receiver. Learn about zones on a hardwired alarm panel.
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How Do I Change the Master Code for a VISTA-15P, 20P or 21iP Using the Honeywell Home Tuxedo?
By accessing Console Mode, you can change the Master Code for your VISTA. This is done in the same way as using an Alphanumeric Keypad. Learn to change your system's Master Code.
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What are the Best Ways to Prevent False Alarms?
A single mistake can result in a false alarm and a costly fine. You can prevent false alarms by following a set of practices. Learn how to prevent false security system alarms.
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How Do I Use the Chime By Zone Function for a Honeywell VISTA P-Series Panel?
Using the Chime By Zone function requires setting up a Zone List in *81 and then configuring the feature in *26. An Alpha Keypad is needed. Learn to use Chime By Zone on a VISTA.
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Is Honeywell Compatible w/ ADEMCO?
Honeywell used to be known as ADEMCO, and you can use most ADEMCO products with compatible Honeywell Alarm Systems. Learn about Honeywell and ADEMCO security products.
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What is the Difference Between Honeywell and ADEMCO?
Honeywell and ADEMCO both largely refer to the same equipment. ADEMCO was the original name for Honeywell, which later became Resideo. Learn about Honeywell and ADEMCO.
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Is a 5881ENHC Compatible with a Honeywell VISTA-20P?
The Honeywell 5881ENHC is a commercial-grade wireless receiver that works with most Honeywell VISTA Systems, including the VISTA-20P. Learn about the Honeywell 5881ENHC.
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How Do I Turn Off Arm-Confirm for a Honeywell VISTA System?
By turning off Arm-Confirm, your system's siren will not produce a loud tone whenever you Arm Away using a keypad or key fob. Learn how to turn off Arm-Confirm for a VISTA System.
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Why Am I Getting a "Check 100" On My VISTA P-Series Panel?
​A Check 100 error on a VISTA System means that the system is trying to supervise a wireless receiver, but it is unable to find one. Learn about the Check 100 error.
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Will Alarm.Com Work on a Lyric Gateway?
The Lyric Gateway is a Honeywell Security System that is used with Total Connect 2.0. You cannot use it with the Alarm.com service. Find out why the Gateway doesn't work with ADC.
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