NFS2-3030 Operations Manual — P/N 52546:N1 06/20//2014 37
Security Alarm Event Operation of the Control Panel
2.4.2 How to Respond to a Pre-Alarm Warning
If the control panel indicates a Pre-alarm, the operator can do the following:
1. Press the ACKNOWLEDGE soft key to acknowledge the Pre-alarm.
2. Press the MORE INFORMATION soft key to display the MORE INFORMATION screen and
view additional information on the device and possibly preprogrammed text for recommended
action. (Refer to Figure 1.8 on page 19 for an example of this screen and an explanation of its
fields.)
3. Investigate and correct the condition causing the Pre-alarm.
NOTE: An Alert Pre-alarm automatically restores to normal when the detector obscuration
reading drops below the programmed Pre-Alarm level.
4. Press the SYSTEM RESET soft key if the Pre-alarm message does not clear when the
condition causing it is cleared.
A subsequent alarm condition for this detector clears the Action indication from the panel display.
The soft key PROGRAM/ALTER STATUS is also displayed on this screen. A password is required
to enter these menus, which are described in the NFS2-3030 Programming Manual.
2.4.3 Interpreting Type ID Codes
The Type ID code that displays in a pre-alarm message is related to the type and function of the
detector point that initiates the pre-alarm. For example, a detector with a SMOKE(PHOTO) Type
ID code means that the detector is a photoelectric type detector. If the Type ID code is unfamiliar,
refer to Appendix A, “Software Type ID Codes”, on page 78. This appendix is an alphabetical list
of Type ID codes and an explanation of each.
2.5 Security Alarm Event
(Not Suitable for Canadian Applications)
2.5.1 How the Control Panel Indicates a Security Alarm
The system indicates a Security alarm when a monitor module point programmed with a security
Type Code activates. The panel will react differently depending on whether or not there are higher
priority unacknowledged events.
When no higher priority unacknowledged events exist, the control panel:
• Produces a warbling audible tone (if the piezo is enabled)
• Activates the Security relay (TB1) if it has been selected for security
• Flashes the
SECURITY LED (blue)
• Displays a Type Code that indicates the type of security alarm being generated
•Displays
SECURITY in the upper left corner of the panel display along with information specific
to the device
• Sends a Security message to the History buffer, installed printers and annunciators
When an unacknowledged event with a higher priority exists, the control panel retains the indica-
tions of the higher priority event (the message, lit LED, audible tone, etc.) while activating the
Security relay if it is selected for security, flashing the
SECURITY LED, and sending a Security mes-
sage to the history buffer, installed printer and annunciators. If there are silenced alarms (the
SIG-
NALS SILENCED LED is lighted), a Security alarm will resound the panel sounder.
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