Notifier NFS2-640/E User Manual

NFS2-640/E Operations Manual — P/N 52743:F1 06/16/2011 31
Output Circuit Trouble Mode of Operation Operation of the Control Panel
3.12.2 How the Control Panel Indicates a NAC Trouble
A Trouble occurring on a NAC causes the control panel to do the following:
• Produce a pulsed audible tone
• Flash the SYSTEM TROUBLE LED
• Turn on the Trouble relay (TB4)
• Send a message to the LCD display, History buffer and installed printers, FDU-80
annunciators, and CRT-2s
• Display a TROUBL status banner and a CONTROL Type Code on the LCD display, along with
information specific to the device
Figure 3.1 Sample of a NAC in Trouble Message
3.12.3 How the Control Panel Indicates a Control/Relay Trouble
A trouble occurring on a control/relay module or control/relay transponder causes the control panel
to do the following:
• Produce a pulsed audible tone
• Flash the SYSTEM TROUBLE LED
• Turn on the Trouble relay (TB4)
• Send a message to the LCD display, History buffer and installed printers FDU-80
annunciators, and CRT-2s
• Display a TROUBL status banner and CONTROL Type Code on the LCD display, along with
information specific to the device
Figure 3.2 Sample of a Control/Relay Module in Trouble Message
3.12.4 How to Respond to a NAC or Control/Relay Trouble
If the control panel indicates an active NAC or Control/Relay Trouble, 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.
4. When the trouble condition is corrected, the panel will return to normal operation (indicated by
the “System Normal” message).
5. The control panel sends a “System Normal” message to the LCD display, History buffer and
installed printers, FDU-80 annunciators, and CRT-2s.
Status banner
Type Code
Time and date of trouble
TROUBL CONTROL FRONT HALLWAY NO. 2
OPEN 09:38A 041508 B02
Device Address
Type of Trouble
Custom Description for
this device location
TROUBL CONTROL MODULE ADDR 1M044
OPEN 09:38A 041508 1M044
Status banner
Type Code
Time and date of trouble
Device Address
Type of Trouble
Custom Description for
this device location

Notifier NFS2-640/E Specifications

General

Brand	Notifier
Model	NFS2-640/E
Category	Control Panel
Language	English