TM 5-6350-264-14&P-9NAVELEX EE 181-AA-OMI-100/E121 DZ-204T.O31S9-2FSS9-1-9NOTETroubleshooting procedures listed in table 5-1 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 5-1 Troubleshooting ProceduresTroubleProbable causeCorrective action1ConstantaPoor or brokenaSet multimeter to dc voltsConnect positive meteralarm.ground con-lead to TB2-1 and negative meter lead to TB2-2.nectorsMeter should indicate more than 1 vdc.(1) If meter does not indicate more than 1 vdcfor both tests, turn power switch S3 toPOWER OFF.(2) Set multimeter to ohms Connect leads toTB2-1 and TB2-2, and then to TB2-2 andTB2-3 Meter should indicate 100, 000ohms or more for both tests.(3) If the meter indicates less than 100, 000 ohms,inspect wiring and P1 for shorts, brokenor loose connections, or bent pins.bConnect meter leads to the following points:TB2-1 to P1-25;TB2-3 to P1-13;TB2-2 to outer enclosure;TB2-2 to P1-3, 4, 16, 17;TB2-2 to P1-23;TB2-2 to battery negative lead;TB2-2 to TB3-3.Meter should indicate 0 ohms at each point.cIf the multimeter reads more than 0 ohms at any ofthe above points, inspect wiring for broken or looseconnections, inspect plugs for bent or broken pinsand inspect conduit for poor connections. Repairor replace defective wiring or connectors.5-6
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