TM5-6350-264-14&P-10NAVELEX EE 181-AA-4MI-110/E121 C-9412T.O. 31S9-2FSS9-1-10Table 5-2. Troubleshooting Procedures - ContinuedTroubleProbable causeCorrective action1.(Cont)f. (Cont)lock. Slip switch arm over switchshaft. Ensure that arm is alignedwith tang on switch stop. Placelarge hex nut inside switch mount-ing bracket; slip bracket over lock.Engage switch shaft in lock. Tight-en nut to secure switch.o.If meter indicates 0 ohms, inspect wiresfrom S3, terminal 3-3 and terminal 3-1to J12/P1, pin 33, and from J12/P1, pin33 to J10-4 for loose or broken connec-tions. Resolder any bad connections onP1.p.If meter indicates 0 ohms from S3, termi-nal 3-4 to J10-4, connect meter leads toJ10-5 and power supply TB2-5.q.If meter indicates 0 ohms, replace PCboard A10.To install new PC board A10, turnboard so plastic ejector is toward top.top. Align board with guides attop and bottom of status proces-sor. Slide board straight in untilit contacts receptacle at back ofprocessor. Then press firmly onboard until it seats completely inreceptacle.r.If meter indicates more than 100, 000ohms, inspect wires from S3, terminal3-4 to J12/P1, pin 28, and from J12/P1,pin 28 to J10-5. Resolder any bad con-nections on P1.s.Turn on Switch S1 on power supply. De-press TRANSMITTER RESYNC switchS2. Wait about 5 minutes for system tostabilize. Turn mode switch to TEST/RESET and then to SECURE.g.Bad modea.Turn mode switch to TEST/RESET. Setswitch S3.multimeter to dc volts. Connect positivelead to mode switch S3, terminal 2-2, and5-33
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