How do I reset my Vista 15P?
Matthew Barrera
Published Feb 18, 2026
How do I reset my Vista 15P?
You can factory default a Honeywell VISTA P-Series System by activating the *97 command within system programming. A factory default will reset the Master Code to 1234, reset the Installer Code to 4112, delete any other user codes, clear all programmed zones, and restore default settings.
How to enter program mode on Ademco Vista?
A TO ENTER PROGRAMMING MODE (using an alpha keypad connected to the control): A.POWER UP, then press [✱] and [#] at the same time, within 50 seconds of powering up (this method must be used if ✱98 was used to exit program mode). OR B. Initially, key: Installer Code (4 + 1 + 1 + 2) plus 8 + 0 + 0. PROGRAMMING MODE COMMANDS
How to enter programming mode on Honeywell Ademco?
TO ENTER PROGRAMMING MODE (using an alpha keypad connected to the control) : A. POWER UP, then press [ ] and [#] at the same time, within 50 seconds of powering up (this method must be used if 98 was used to exit program mode). OR B. Initially, key: Installer Code (4 + 1 + 1 + 2) plus 8 + 0 + 0. PROGRAMMING MODE COMMANDS
What are the keypad keys for Ademco Vista?
Function Key Programming Press ∗57. Unlabeled keypad keys (known as ABCD keys) for special functions Zone Programming (Expert Mode) Press ∗58. Same options as *56 mode, but with fewer prompts. Intended for those familiar with this type of programming, otherwise *56 mode is recommended. Output Device Mapping Press ∗79.
How to enter field number in Ademco Vista?
Task Command/Explanation Go to a Data Field Press [∗] + [Field Number], followed by the required entry. Entering DataWhen the desired field number appears, simply make the required entry. When the last entry for a field is entered, the keypad beeps three times and automatically displays the next data field in sequence.
What’s the best way to charge an Ademco?
1. Enter the 2-digit hour setting. 2. Enter the 2-digit minute setting. 3. Press [1] for PM or [0] for AM. 4. Enter the last two digits of the current year. 5. Enter the 2-digit month setting. 6. Enter the 2-digit day setting. 3. To exit, press [*] when cursor is at the last digit, or wait 30 seconds. Battery Safety Tips 1. Proper Handling
Function Key Programming Press ∗57. Unlabeled keypad keys (known as ABCD keys) for special functions Zone Programming (Expert Mode) Press ∗58. Same options as *56 mode, but with fewer prompts. Intended for those familiar with this type of programming, otherwise *56 mode is recommended. Output Device Mapping Press ∗79.