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82 MRP-2002 Series Instruction Manual — P/N 53049:E5 7/28/2016Operating Instructions Trouble OperationThe FACP performs the following functions at regular intervals in Normal mode: Monitors AC input voltage and battery voltage Monitors and reports status option cards and control panel Refreshes LCD display and updates time Scans control panel keypad for key presses Tests memory Updates and reads all communications busses (EIA-485, etc.) i3 smoke detectors will be polled for maintenance and freeze conditions (temperature of45o F or less) on initial entry into Normal mode. Thereafter, each device will be polled everyhour for freeze and every four hours for maintenance conditions.4.4 Trouble OperationWith 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 indicator to flash one second On and one second Off• The trouble relay to activate• The output circuits programmed as TROUBLE BELL NAC to activate• TROUBL with device type, adjective/noun, address and trouble description will appear onthe LCD display• The same message, along with the time and date, is sent to the optional printer and thehistory bufferNote that specific troubles will initiate additional actions; for example, loss of AC power will turnoff the AC Power indicator, etc.Input ZoneFor Input Zones, the following is a typical message that could appear on the LCD display for adevice trouble:The information displayed in the above example provides the following information:• First line in display:– The type of event; in this example OPEN indicating a circuit trouble– Device type identifier; in this example, PULL STATION indicates a manual device. Otherdevice type identifiers which can be displayed include SMOKE for Smoke Detector, HEATfor Heat Detector, etc.• Second line in display:– ; refers to the user programmed adjective descriptor from library list resident in thecontrol panel or custom entry via PC.– ; refers to the user programmed noun descriptor from library list resident in thecontrol panel or custom entry via PC.• Third line in display indicates Zone and the fault condition. Other possible troubles include:NOTE: To ensure that the system is functioning properly, the FACP will perform a freeze checkwithin minutes after the panel is reset, followed by a maintenance check. If there is no freeze ormaintenance condition, the panel will continue to monitor for freeze conditions every hour andmaintenance conditions every four hours.OPEN PULL STATION ZONE 10 OPEN FAULT10:00A 092314
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