ARMY TM 9-6115-639-13 AIR FORCE TO 35C2-3-386-51 MARINE CORPS TM 10155A-13/1 Section V.  UNIT LEVEL TROUBLESHOOTING PROCEDURES 4-9.  GENERAL. This section contains unit level troubleshooting and tests for the generator set.  Each malfunction or trouble symptom  is  addressed  and  is followed by a series of inspections or tests necessary to determine the probable cause and corrective action. 4-10.  TROUBLESHOOTING. a.    This chapter does not list all possible malfunctions that may occur, all tests or inspections that may be performed, or all corrective actions for each malfunction.  Only those checks and tests authorized for the unit level are covered.  If a malfunction is not listed, or is not remedied by corrective actions, notify personnel at a higher maintenance level. b.    Prior to using troubleshooting table, be sure you have performed all normal operational checks. Refer to  the  system  electrical  schematic  (Figure  FO-1),  system  wiring  diagram  (Figure  FO-2),  generator  set  wiring harness diagrams (Figures FO-3 and FO-4), control panel  wiring harness diagrams (Figures FO-5 and FO-6), and  Diagnostic  Test  Points  (Figure  4-2)  for  assistance  in  troubleshooting  electrical  components.    Conduct continuity checks on suspect wiring / harnesses as required utilizing these schematics and diagrams. c.    These troubleshooting procedures assume that electrical wires are undamaged and wiring harnesses are operable.      Conduct   continuity   checks   on   suspect   wiring   /   harnesses   as   required   prior   to   performing troubleshooting procedures in Table 4-4.    d.    Refer to Table 4-3, Malfunction Index, for determining applicable troubleshooting procedure located in Table 4-4. Table 4-3.  Malfunction Index Trouble Procedure Engine will not crank 1 Engine cranks but will not start 2 Engine cranks slowly, battery runs down prior to starting 3 Engine starts and stops 4 Engine will not start in cold weather 5 Engine will not stop when EMERGENCY STOP switch is pressed 6 Engine starts, no generator voltage reading 7 Generator set fails to supply power to the load 8 No kW reading when load is applied 9 No power at convenience receptacle 10 Generator set causes radio interference 11 Circuit interrupter will not close 12 Circuit interrupter will not remain closed when CIRCUIT INTERRUPTER switch released     13 Auxiliary fuel system will not energize 14 BATTLE SHORT indicator will not illuminate when BATTLE SHORT switch in ON 15 4-12