Fire-Lite MS-9200UDLSC Addressable Fire Alarm Control Panel - Manual (Page 135)

MS-9200UDLS Series Manual — P/N 52750:H 4/14/2014 135
Trouble Operation Operating Instructions
 Monitors AC input voltage and battery voltage
 Monitors and reports status of SLC loop, option cards and control panel
 Polls all devices on the SLC loop and flashes each device LED while checking for valid
replies, alarms, troubles, etc.
 Refreshes LCD display and updates time
 Scans control panel keypad for key presses
 Performs autotest for all SLC devices
 Tests memory
 Updates and reads all communications busses (EIA-485, EIA-232, etc.)
4.4 Trouble Operation
With no alarms in the system, the detection of a trouble will cause the following:
• The piezo to pulse 1 second On and 1 second Off
• The system Trouble LED to flash one second On and one second Off
• The trouble relay to activate
• TROUBL with device type, noun/adjective, address and trouble description will appear on the
LCD display
• The same message, along with the time and date, is sent to the optional printer and the history
buffer.
• Communicate the trouble conditions to the Central Station
• Terminate upload or download communications
Note that specific troubles will initiate additional actions; for example, loss of AC power will turn
off the AC Power LED, a ground fault will turn on the Ground LED, etc.
Addressable Smoke Detectors, Monitor Modules and Control Modules
For addressable devices connected to the SLC loop, the following is a typical message that could
appear on the LCD display for a device trouble:
The information displayed in the above example provides the following information:
• First line in display:
 The type of event; in this example TROUBL indicating a device trouble
 Device type identifier; in this example, SMOKE (PHOTO) indicates a Photoelectric smoke
detector. Other device type identifiers which can be displayed include SMOKE (ION) for
Ionization Detector, HEAT for Heat Detector, CONTROL for Control Module and
MONITOR for Monitor Module, PULL STATION for a manual pull box, etc. Refer to “Edit
Detector” on page 68, “Edit Module Screen for Monitor Module” on page 76 and “Edit
Module Screen for Control Modules” on page 82 for information on additional device types.
• Second line in display:
 ; refers to the user programmed adjective descriptor from library list resident in the
control panel or custom entry via PC.
 ; refers to the user programmed noun descriptor from library list resident in the
control panel or custom entry via PC.
• Third line in display: INVREP indicates an invalid reply from the addressable device. Other
possible troubles include:
– SHORT - indicating a shorted circuit on an addressable device
TROUBL SMOKE (PHOTO)
INVREP
10:00A 010806 1D001