System Trouble Mode Of Operation - Honeywell NOTIFIER NFS2-640 Operation Manual

System Trouble Mode of Operation

3.4.7 Interpreting MN Type Codes
The Type Code that displays in the fire panel message indicates the function of the point that initi-
ates the activation. The table below lists the Type Codes that can appear in an mass notification
message:
Latching
Type Code
(Y/N)
1
ECS/MN MONITOR Y
1
ECS/MN SUPL Y
1
ECS/MN SUPT N
ECS/MN TROUBLE N
1
MON
1
This Type Code is not compatible with First Command applications.
3.5 System Trouble Mode of Operation
3.5.1 How the Control Panel Indicates a System Trouble
The system goes into system trouble when the control panel detects an electrical fault. If no fire
alarms exist, the control panel does the following:
• Produces a pulsed audible tone
• Activates the Trouble relay (TB4)
• Flashes the
• Displays a Type Code that indicates the type of device with a trouble.
• Displays
information specific to the device, as shown in Figure 3.8 below.
• Sends a Trouble message to the LCD display, remote annunciators, history buffer, installed
printers, and CRT-2s.
NOTE: If a fire alarm exists when a trouble exists, the
message appears in the LCD display.
Typical Trouble message that appears on the LCD display:
Type of event
Extended 12 character
custom label
NFS2-640 Operations P/N 52743:L4 06/10/19
Purpose
Monitor Modules
Indicates activation of a mass notification device
Indicates activation of a mass notification device
Indicates activation of a mass notification device
Indicates trouble on a mass notification device
Table 3.2 Mass Notification Type Codes
LED
SYSTEM TROUBLE
in the status banner on the LCD display as well as the type of trouble and
TROUBL
Type of device
T R O U B L P U L L S T A T I O N I N T E N S I V E C A R E U N I T
E A S T E R N W I N G I N V R E P 0 3 : 1 4 P 0 4 1 4 1 5 2 M 1 4 7
Type of trouble
Figure 3.8 Sample Trouble Message
Activates CBE, does not light any LEDs,
overrides existing fire event
silenceable outputs and all fire activated
strobes
Lights
SUPERVISORY
CBE
Lights
SUPERVISORY
CBE
Monitors mass notification devices. Will
generate a trouble condition for both open
and short conditions.
SYSTEM TROUBLE
Custom descriptor for
this device location
Time and date of trouble
Operation of the Control Panel
What it does
2
, shuts off
LED and activates
LED and activates
LED lights, but the Alarm
Device address
25