6 Troubleshooting
6.1 Troubleshooting
Engine does not turn when starter is actuated
Component 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 162).
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 connections (→ Page 161).
Engine Running gear blocked (engine cannot be
barred manually)
Contact Service.
Engine turns but does not fire
Component 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 162).
Fuel system Air in fuel system Vent fuel system (→ Page 117).
Engine governor Faulty Contact Service.
Engine fires unevenly
Component Cause Action
Fuel injection equip-
ment
Injector faulty Replace (→ Page 109).
Injection pump faulty Contact Service.
Engine cabling Faulty Check (→ Page 162).
Fuel system Air in fuel system Vent fuel system (→ Page 117).
Engine governor Faulty Contact Service.
Engine does not reach rated speed
Component Cause Action
Fuel supply Fuel prefilter clogged Replace (→ Page 121).
Easy-change fuel filter clogged Replace (→ Page 119).
Air supply Air filter clogged Check signal ring position of service in-
dicator (→ Page 126).
Fuel injection equip-
ment
Injector faulty Replace (→ Page 109).
Injection pump faulty Contact Service.
MS15054/00E 2015-09 | Troubleshooting | 71
TIM-ID: 0000051898 - 002
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