2-19. TROUBLESHOOTING CHART (continued).x. NBC SYSTEM (continued).(1) NO FAN OPERATION FROM M2A2 AIR PURIFIERUNIT (continued).ICONTINUED FROM BB.3. Place multimeter red lead on terminal ofwire 415C of NBC wire harness 12330296and ground black lead.4. Turn MASTER switch and NBC POWERswitch ON (refer to TM 9-2350-287-10).5. Check for 24 ± 3 vdc.6. Turn MASTER switch and NBC powerswitch OFF (refer to TM 9-2350-287-10).Is voltage indicated?Repair wire 415C or replace harness12330296 (para 7-69) Verify problem is solved.C. 1. Reconnect harness 12330298 to NBCwiring harness 2330296.2. Disconnect NBC wire harness 12330296from NBC control box J2 connector.3. Place multimeter red lead in socket B ofNBC control box output and ground blackprobe.4. Turn MASTER switch and NBC POWERswitch ON (refer to TM 9-2350-287-10).5. Check for 24 ± 3 vdc.6. Turn MASTER switch and NBC POWERswitch OFF (refer to TM 9-2350-287-10).Is voltage indicated?Repair wire 415C or replace NBC WIRINGContinued on next page2-369TM 9-2350-287-20-1harness 12330296 (para 7-69). Verifyproblem is solved.
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business