TM 5-6350-264-14&P-9NAVELEX EE 181-AA-OMI-100/E121 DZ-204T.O. 31S9-2FSS9-1-9Table 5-1. Troubleshooting Procedures - ContinuedTroubleProbable causeCorrective action1. (Cont)h. Defectivea.Set multimeter to ohms.fuse.b.Remove fuse from fuse holder. Connect meterleads to each end of fuse.c.If meter indicates more than 100,000 ohms,replace fuse.2. Nuisancea.Audible AlarmEnsure that the Audible Alarm unit is mounted rigidlyalarms.unit mounting.to a flat surface, that the door is flat, and there is noplay when the door is locked.b.Defectivea.Set the multimeter to ohms. Connect meter leadstamperto tamper switch terminals that have wires con-switch.nected.(1) Depress the switch plunger. Meter should read0 ohms.(2) Release the switch plunger. Meter should readmore than 100,000 ohms.b.If meter indications are not correct, replace tamperswitch.(1) To remove door tamper switch, remove tam-per switch support mounting screws. Pushswitch through outer enclosure. Tag wiresand use a soldering iron of 50 watts maxi-mun to unsolder wires. Unscrew switch fromswitch support and remove switch.(2) To install new door tamper switch, screwswitch into switch support. Use a solder-ing iron of 50 watts maximum to solderwires. Position switch enclosure supportbracket and install tamper switch supportmounting screws.(3) To remove pry-off tamper switch, removemounting screws from tamper switch brack-et. Remove snap on button cap. Removehex nut and push switch through switch5-17
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