6.2 Troubleshooting
Engine does not turn when starter is actuated
Component
Probable Cause
Action
Battery
Low or faulty
Charge or replace (see manufacturer's
documentation).
Cable connections faulty
Check if cable connections are properly
secured (see manufacturer's documen-
tation).
Starter
Engine cabling or starter faulty
Check if cable connections are properly
secured, contact Service.
Engine cabling
Faulty
Check (→ Page 109).
Engine/generator
control system
Assemblies or connectors possibly loose Perform visual inspection (see manufac-
turer's documentation).
Engine governor
Plug-in connections possibly loose
Check plug-in connections (→ Page 108).
Engine
Running gear blocked (engine cannot be
barred manually)
Contact Service.
Engine turns but does not fire
Component
Probable Cause
Action
Starter
Poor rotation by starter Battery low or
faulty
Charge or replace battery (see manufac-
turer's documentation).
Engine cabling
Faulty
Check (→ Page 109).
Fuel system
Air in fuel system
Vent fuel system (→ Page 58).
Engine governor
Faulty
Contact Service.
Engine fires unevenly
Component
Probable Cause
Action
Fuel injection equip-
ment
Injector faulty
Replace (→ Page 48).
Injection pump faulty
Contact Service.
Engine cabling
Faulty
Check (→ Page 109).
Fuel system
Air in fuel system
Vent fuel system (→ Page 58).
Engine governor
Faulty
Contact Service.
Engine does not reach rated speed
Component
Probable Cause
Action
Fuel supply
Fuel prefilter clogged
Replace (→ Page 65).
Fuel filter clogged
Replace (→ Page 60).
Air supply
Air filter clogged
Check signal ring position of service in-
dicator (→ Page 68).
Fuel injection equip-
ment
Injector faulty
Replace (→ Page 48).
Injection pump faulty
Contact Service.
Engine cabling
Faulty
Check (→ Page 109).
Engine
Overloaded
Contact Service.
MS150111/01E 2014-05
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