Honeywell VISTA-15P Frequently Asked Questions

Why Did My Panel Report Code E903 "Start FW"?
A Honeywell VISTA Panel will send the E903 Start FW message to the monitoring station prior to its firmware update process. This message indicates that the firmware update process has begun. Learn more about the E903 Start FW message and what it means for your Honeywell VISTA Panel.
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Why Did My Panel Report Code E339 "Power on Reset"?
A Honeywell Panel will report the message E339 "Power on Reset" when its communicator has been reset. The communicator for a Honeywell System will reset whenever programming changes are sent to the module or when the module is powered off and then back on. Learn more about the E339 message.
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How Do I Replace the Battery in My Honeywell Security System?
Replacing the battery for a Honeywell Security System is actually a very simple process. However, some minor tools will be required. The steps will also vary depending on the type of Honeywell System that is being used. Learn how to replace the battery for a Honeywell Security System.
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Are Wired or Wireless Security Systems Better?
In terms of functionality, wired systems can do virtually everything wireless systems can. However, wireless systems are easier to set up, and they require fewer add-ons. this makes wireless systems better for new users. Learn more about the differences between wired and wireless security systems.
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What is a Telco Fault?
When a Honeywell Panel is experiencing problems with its telephone communication, a telco fault message might be displayed. The message can be displayed on any Honeywell Panel that uses POTS communication. Fortunately, there are ways to clear this error. Learn more about telco fault errors.
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Honeywell LYNX Touch & LYNX Plus vs. VISTA systems
Check out our breakdown of the differences between the LYNX Touch and Plus wireless alarm panels vs. VISTA wired security systems
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What Resistance Should Security System Contacts Have?
The type of resistance used by a security system contact depends upon the type of security panel that is being used. The majority of the hardwired security systems offered from Alarm Grid use 2k resistors. However, there are some exceptions. Learn more about resistors and why they are used.
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Can I Change the Time on My VISTA-P System w/o Using the Master Code?
You can use your Master Code or the Installer Code to change the date and time on a Honeywell VISTA P-Series System. By using one of these codes plus the [#63] command, you can change the date and time on your Honeywell VISTA. Learn more about adjusting your VISTA panel's date and time.
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What Is Total Connect?
The interactive service platform used with Honeywell Control Panels is called Total Connect. This service can be accessed from any web browser or through the Total Connect mobile app. This service allows users control of both their panel and home automation devices. Learn more about Total Connect.
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How Do I Turn off (Power Down) My Home Alarm System?
Most alarm systems can be turned off by following similar steps. The process involves disconnecting the backup battery and then unplugging the transformer from the wall. The shut down can be confirmed by checking the panel's touchscreen or keypad. Learn more about shutting down your alarm system.
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