TM 9-2350-287-20-12-19. TROUBLESHOOTING CHART (continued).0. PERSONNEL VENTILATION BLOWER (continued).(2) PERSONNEL VENTILATION BLOWER DOESNOT OPERATE IN INTAKE MODE (continued).CONTINUED FROM AIIs voltage indicated?GO TO STEP F B.WARNINGWhen AFES relay cover is removed,use caution while working aroundexposed electrical terminals toavoid electrical shock Do not shortout terminals with tools or barehands.1. Remove AFES control relay cover by re-moving 4 screws, 4 washers, 4 Iockwashersand cover. Discard lockwashers.2. On AFES relay #2 (bottom), place redprobe of multimeter on pin 12 and black leadof multimeter to pin 2 (ground).3. Ensure PERSONNEL VENTILATORBLOWER switch is in the INTAKE position.4. Turn MASTER switch ON (refer to TM 9-2350-287-1 O).5. Check for 24 ± 3 vdc.6. Turn MASTER switch OFF (refer to TM 9-2350-287-1O).Is voltage indicated?Repair wire 159A or replace harness12351461 (para 7-79). Verify problem issolved.Continued on next page2-255
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