Honeywell VISTA-21iP Frequently Asked Questions

Can I Figure Out the Master Code on a VISTA 21iP?
It is possible to change the Master Code on a VISTA 21iP using the Installer Code. If you lose both codes, then you must use the backdoor method. Learn about the VISTA 21iP.
Added:

How Do I Find My VISTA 21iP's Installer Code?
The only way to check the Installer Code for a VISTA 21iP is to access programming. Your can try the default IC of 4112 or backdoor into programming. Learn about the VISTA 21iP.
Added:

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.
Added:

Is there an LTE Communicator for VISTA 21iP Panels?
The Honeywell LTE-XA and the Honeywell LTE-XV are both LTE cellular communicators that will work with a Honeywell VISTA 21iP Alarm System. Learn about these communication modules.
Added:

What is User 01 Assigned to on a Honeywell VISTA 21iP?
On a Honeywell VISTA 21iP, user slot 01 is assigned to the Installer Code. This code cannot be deleted from the system, but it can be edited. Learn about the VISTA 21iP Installer Code.
Added:

How Many Zones Does a VISTA-21iP Have?
A Honeywell VISTA-21iP Security System will support up to 48 total zones. Of these zones, 40 can be wireless through the use of a wireless receiver. Learn about the VISTA-21iP.
Added: