TM 5-6350-264-14&P-10NAVELEX EE 181-AA-OMI-110/E121 C-9412T.O. 31S9-2FSS9-1-10NOTETroubleshooting procedures listed in table 5-2 may require more than one person to perform correctiveaction.Covers should be removed as necessary to perform troubleshooting procedures.Never disconnect a wire without first marking that wire to assure proper reconnection.Table 5-2. Troubleshooting ProceduresTroubleProbable causeCorrective action1.Constant alarma.Bad intrusion oraOpen CU door and pull TAS plungertamper circuits.all the way out. Note which lightemitting diode (LED) is lighted. Ifthe only LED lighted is for sensormonitoring entrance, secure en-trance. Turn mode switch to SE-CURE and then to TEST/RESET.NOTEIf motion sensors are usednear CU, remain motion-less to avoid setting off falsealarms.The audible signal device will nor-mally stop sounding 10+ 2 secondsafter CU has been reset. If the audi-ble signal device continues to soundand there are no LED’s lighted, thisindicates a tamper alarm. If an LEDis lighted, it will indicate which sen-sor or group of sensors has beenactivated. LED’s A through E indi-cate intrusion alarms, and LED Findicates a duress alarm (LatchingAlarm Switch).b.Turn mode switch to SECURE andthen to TEST/RESET. Set multi-meter to dc volts. Connect positivemeter lead to TP1 (brown), and neg-ative lead to chassis (ground). Notemeter indication. Connect positivemeter lead to TP2 (red), and nega-tive lead to chassis (ground). Notemeter indication. Repeat these steps5-8
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