Troubleshooting Procedures

TM 5-6350-264-14&P-10 NAVELEX EE 181-AA-OMI-110/E121 C-9412 T.O. 31S9-2FSS9-1-10 Table 5-2. Troubleshooting Procedures - Continued Trouble Probable cause Corrective action 2. (Cont) e. (Cont) (2) Remove PC boards Al through A12 from status processor by placing thumb or finger under board ejec- tor and lift up until board pops out of receptacle. (3) Install PC boards Al through A12 in new status processor interconnect- ing wiring subassembly. Ensure that pins on all PC boards are not bent or otherwise damaged. Turn PC boards so plastic ejectors are toward top. Align boards with guides at top and bottom of status processor. Slide boards straight in until they contact receptacles at back of processor. Then press firmly on boards until they seat completely in receptacle. (4) To install new status processor, posi- tion it under standoffs in top of CU. Insert screws and tighten to secure status processor. Insert plug P1 into connector on bottom of processor, and push up. Tighten screws to secure plug P1. Position Data Transmitter over standoffs in CU and insert screws. Tighten screws to secure Transmitter. Con- nect wires to TB6 and TB7 in CU. i. Above steps verify time delay circuits. If time delay period has been properly adjusted and nuisance alarms still occur, determine if they are tamper, duress, or intrusion alarms. j. If intrusion alarms occur during entry, re- place PC board A10. If intrusion alarms occur during exit, replace PC board A9. (1) To remove PC boards A9 or A10, turn off switch S1 on top of power sup- ply. Place thumb or finger under board ejector and lift up until 5-49