2-19. TROUBLESHOOTING CHART (continued).w. AFES, CREW (continued).(7) AFES MEGOMETER TROUBLESHOOTINGPROCEDURES.Initial Setup:Tools/test Equipment:• Crew AFES Test/Alarm panel MAINT switch in• Megometer (Item 37, Appendix 1)maintenance position (para 21-3).• Crew AFES fire extinguisher bottle harnessesEquipment Conditions:disconnected (para 7-77).l MASTER switch set to OFF (refer toTM 9-2350-287-10).NOTEl Instead of using multimeterfor voltage check, STE/lCEtroubleshooting,INDIVIDUALBATTERY VOLTAGE TEST-TEST89 maybe performed.l Instead of using multi meterfor continuity check, STE/lCEtroubleshooting, TEST 91 maybe performed.A. 1. Make sure the green POWER ON lamp onthe crew T/A panel is off, indicating that powerhas been removed from the AFES system.NOTEThe W3P1 connector is disconnectedduring these tests.2. Connect the test box to the SCEA and W2wiring harness using test cables TC1, TC2,and TC3 as shown in figure 1.3. Set the test box switches as follows:a. All fire extinguishers (FEXT 1-6) toACTIVE.b. VENT FAN to ON.c. CREW switch to 4 EXT or 6 EXT, depending on whether the vehicle has a fourextinguisher system or a six-extinguishsystem.4. Turn MASTER switch ON (refer to TM 9-2350-287-10).Continued on next page2-361TM 9-2350-287-20-1
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