TM  92350-287-20-1 I 2-19.  TROUBLESHOOTING  CHART  (continued). _Iw. CREW AFES (continued). (3) FIRE EXT. LED’S ARE LIT. FAULT LAMP REMAINS ON. Initial Setup: Tools/Test Equipment: Equipment Conditions: • Digital multimeter (DMM) (Item 13, Appendix 1) • Left and right projectile rack assemblies moved • General mechanic’s tool kit (Item 24, to rear of vehicle (refer to TM 9-2350-287-10). Appendix  1) (for crew extinguishers 1 and 2 only). • Crew AFES test./alarm  panel  MAINT  switch  in Materials/Parts: maintenance position (para 21-3). l Cleaning compound (Item 19, Appendix D) • Sealing  compound  (Item  58,  Appendix  D) NOTE l  Instead    of    using multimete for    voltage check,    STE/lCE troubleshooting, INDIVIDUAL BATTERY   VOLTAGE   TEST-TEST 89  maybe  performed. •  Instead   of   using   multi   meter for   continuity   check,   STE/lCE troubleshooting,   TEST   91   may be  performed. A. 1. Inspect all six electrical connectors for mois- ture, contamination, or loose fit. I _IAre all connections clean, dry, and secure? I I Clean connectors with cleaning compound and apply sealing compound to connectors and reinstall. Very promblen is solved. m B.  1.  Check  for  protruding  flow  indicator  of valve  actuators  of  crew  fire  extinguisher cylinder  bottles  1  thru  6  as  indicated  by LEDs on crew T/A paneI. 2. Check pressure gage of crew fire extin- guishers.  Black  needle  of  pressure  gage should   be   inside   green   temperature wedge. Is pressure gage needle in the correct position, and flow indicators are not protruding from their valves? Continued on next page 2-353