Notifier NFS2-640/E Operation Manual

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Notifier NFS2-640/E Operation Manual Manual pdf 31 page image

NFS2-640/E Operations Manual — P/N 52743:F1 06/16/2011 31Output Circuit Trouble Mode of Operation Operation of the Control Panel3.12.2 How the Control Panel Indicates a NAC TroubleA 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-80annunciators, and CRT-2s• Display a TROUBL status banner and a CONTROL Type Code on the LCD display, along withinformation specific to the deviceFigure 3.1 Sample of a NAC in Trouble Message3.12.3 How the Control Panel Indicates a Control/Relay TroubleA trouble occurring on a control/relay module or control/relay transponder causes the control panelto 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-80annunciators, and CRT-2s• Display a TROUBL status banner and CONTROL Type Code on the LCD display, along withinformation specific to the deviceFigure 3.2 Sample of a Control/Relay Module in Trouble Message3.12.4 How to Respond to a NAC or Control/Relay TroubleIf 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 theSYSTEM 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 oftrouble.3. Correct the condition causing the trouble.4. When the trouble condition is corrected, the panel will return to normal operation (indicated bythe “System Normal” message).5. The control panel sends a “System Normal” message to the LCD display, History buffer andinstalled printers, FDU-80 annunciators, and CRT-2s.Status bannerType CodeTime and date of troubleT R O U B L C O N T R O L F R O N T H A L L W A Y N O . 2O P E N 0 9 : 3 8 A 0 4 1 5 0 8 B 0 2Device AddressType of TroubleCustom Description forthis device locationT R O U B L C O N T R O L M O D U L E A D D R 1 M 0 4 4O P E N 0 9 : 3 8 A 0 4 1 5 0 8 1 M 0 4 4Status bannerType CodeTime and date of trouble Device AddressType of TroubleCustom Description forthis device location