ENGINE NOT CRANKING- Simple trouble shooting HHP loco

ENGINE NOT CRANKING
a) EPD /LLOB TRIPPED 
b) OST TRIPPED 
c) DEFECTIVE GOVERNOR 
d) DEFECTIVE DIO CARDS 
e) DEFECTIVE STOP BUTTON/MUSD 
f) DEFECTIVE EFCO AND SDR RELAY 
g) DEFECTIVE BATTERY, FUSE , KNIFE SWITCH AND CABLES 
h) TLPM NOT WORKING 
i) TLPR RELAY DEFECT. 
j) HYDRAULIC LOCK IN ENGINE 
k) DEFECTIVE CIRCUIT BREAKERS 
l) DEFECTIVE EM 2000 
m) DEFECTIVE PRG,PSM 
n) DEFECTIVE MUCOUPLER AND TLF 
o) DEFECTIVE AMPHENOL PLUG 
p) DEFECTIVE ST, STA 
q) DEFECTIVE STARTER MOTORS AND MISALIGNMENT 
r) DEFECTIVE RING GEAR 
s) DEFECTIVE FUEL SYSTEM- NO FUEL IN TANK,FPM DEFECTIVE. CHOKED FILTERS, 
t) DEFECTIVE FUEL CONTROL SHAFT 
u) DEFECTIVE CON&FP ,FUEL PRIME/ START, ISOLATION SWITCHES  
v) DIGITAL MUX FAILURE.