NFS2-640/E Operations Manual —
P/N 52743:F1 06/16/2011
29
Active Trouble Monitor Mode of Operation
Operation of the Control Panel
3.11 Active Trouble Monitor Mode of Operation
3.11.1 How the Control Panel Indicates an Active Trouble Monitor
Trouble Monitor Points are monitor modules programmed with the following Type Codes:
These types of monitor modules operate like monitored system functions that can produce
troubles—but with the following differences:
•
The LCD display status banner displays
ACTIVE
as shown:
Figure 4 Sample Trouble Monitor Point Message
•
The monitor module is non-latching: the module will return to normal when the trouble
condition no longer exists.
•
The monitor modules activate Control-by-Event
•
The panel trouble relay transfers (TB4)
3.11.2 How to Respond to an Active Trouble Monitor
If the control panel indicates an active Trouble Monitor Point, take the following action:
1.
Press the
ACKNOWLEDGE
/
SCROLL
DISPLAY
key to silence the panel sounder and switch the
SYSTEM
TROUBLE
LED from flashing to steady—regardless of the number of troubles, alarms,
and supervisory signals.
2.
The control panel sends an Acknowledge message to the History buffer and installed printers,
FDU-80 annunciators, and CRT-2s. Check the trouble message for the location and type of
trouble.
3.
Correct the condition causing the trouble.
PHOTO/CO (C SUP)*
Y
Indicates activation of the Photo, Heat or CO element of a
detector.
Lights
FIRE
ALARM
LED for heat and photo
alarms, will light supervisory LED for CO
alarm, photo and heat alarms will activate
CBE, CO alarm will activate sixth CBE
zone only (sixth CBE zone programmable
via VeriFire Tools)
*FlashScan mode only
Type Code
Latching
(Y/N)
Purpose
What it does
Table 3.5 CO Alarm Type Codes (2 of 2)
Type Code
Latching
(Y/N)
Device Function
Point Function
AUDIO SYSTEM
N
Used for monitoring audio equipment audio
amplifiers or associated equipment
Indicates trouble
EQUIP MONITR
N
Used for recording access to monitored equipment Activates CBE
POWER MONITR
N
Used to monitor remote power supplies or other
external equipment
Indicates trouble
TROUBLE MON
N
Used to monitor remote power supplies or other
external equipment
Indicates trouble
Table 3.6 Trouble Monitor Type Codes
Status banner
Type Code
T R O U B L T R O U B L E _ M 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 0 9 : 3 8 A 0 4 1 5 0 8 1 M 0 4 4
Custom descriptor for
this device location
Device address
Time and date of trouble
Extended 12 character
custom label
