Table 5-2. Troubleshooting Procedures

TM 5-6350-264-14&P-10 NAVELEX EE 181-AA-OMI-110/E121 C-9412 T.O. 31S9-2FSS9-1-10 NOTE Troubleshooting procedures listed in table 5-2 may require more than one person to perform corrective action. 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 Procedures Trouble Probable cause Corrective action 1. Constant alarm a. Bad intrusion or a Open CU door and pull TAS plunger tamper circuits. all the way out. Note which light emitting diode (LED) is lighted. If the only LED lighted is for sensor monitoring entrance, secure en- trance. Turn mode switch to SE- CURE and then to TEST/RESET. NOTE If motion sensors are used near CU, remain motion- less to avoid setting off false alarms. The audible signal device will nor- mally stop sounding 10+ 2 seconds after CU has been reset. If the audi- ble signal device continues to sound and there are no LED’s lighted, this indicates a tamper alarm. If an LED is lighted, it will indicate which sen- sor or group of sensors has been activated. LED’s A through E indi- cate intrusion alarms, and LED F indicates a duress alarm (Latching Alarm Switch). b. Turn mode switch to SECURE and then to TEST/RESET. Set multi- meter to dc volts. Connect positive meter lead to TP1 (brown), and neg- ative lead to chassis (ground). Note meter indication. Connect positive meter lead to TP2 (red), and nega- tive lead to chassis (ground). Note meter indication. Repeat these steps 5-8