Honeywell VISTA-21iP Frequently Asked Questions

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 Install the Resideo LTE-IA or LTE-IV On a VISTA-21iP?
When adding an external communicator to a Honeywell VISTA-21iP System, you must set the internal IP/GSM Jumper to the OFF position. Learn to install the LTE-IA and LTE-IV.
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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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Does the Honeywell LTE-XA or LTE-XV Work On a Honeywell VISTA-21iP?
The Honeywell VISTA-21iP can support both the LTE-XA and the LTE-XV communicators once its internal IP communicator has been disabled. Learn about the LTE-XA and LTE-XV.
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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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Can Any Alarm Company Monitor My VISTA-21iP?
The Honeywell VISTA-21iP has a built-in IP communicator. Any alarm monitoring company that is willing can take it over. Learn about the VISTA-21iP and how you can get it monitored.
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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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How Do I Upgrade a Honeywell VISTA P-Series System to Use LTE?
Adding an LTE communicator to a VISTA P-Series Panel will allow it to connect with an LTE network. But certain firmware requirements must be met for TC2. Learn about VISTA Panels.
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