TROUBLESHOOTING CHART (continued) - TM-9-2350-287-20-1

(2) FAULT LAMP REMAINS LIT. FIRE DET. LED'S LIT

TROUBLESHOOTING CHART (continued) - TM-9-2350-287-20-1_404

TM-9-2350-287-20-1 Carrier Ammunition Tracked M992A21 (2350-01-352-3021) EIC:AE6 Manual
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2-19. TROUBLESHOOTING CHART (continued). w. AFES, CREW (continued). (2) FAULT LAMP REMAINS LIT. FIRE DET. LED’S LIT (continued). C. WARNING Turn crew AFES T/A panel Maintenance switch to vertical position before disconnecting any electrical wiring harnesses. Failure to comply may result in discharge of extinguisher cylinders and injury to personnel. 1. Disconnect harness 12352353 connectors from OFSAS. 2. Place red lead of multimeter in socket A (wire 783A, 783B, 783C, or 783D) of the four connectors and ground black lead. 3. With the aid of an assistant, turn MASTER switch ON (refer to TM 9-2350-287-10), and turn crew AFES T/A panel Maintenance switch to horizontal position. 4. Check for 24 ± 3 vdc. 5. Turn MASTER switch OFF (refer to TM 9- 2350-287-10), and turn crew AFES T/A panel Maintenance switch to vertical position. Is voltage indicated at the OFSAS? Replace defectiveOFSAs (para 21-14). D. 1. Disconnect harness 12352353 connector from the standard control electronic amplifier (SCEA). 2. Check for continuity between: Continued to next page TM 9-2350-287-20-1 2-351

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