MTU 12V2000B26F User Manual

6 Troubleshooting
6.1 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 131).
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 130).
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 131).
Fuel system Air in fuel system Vent fuel system (→ Page 85).
Engine governor Faulty Contact Service.
Engine fires unevenly
Component Probable Cause Action
Fuel injection equip-
ment
Injector faulty Replace (→ Page 75).
Injection pump faulty Contact Service.
Engine cabling Faulty Check (→ Page 131).
Fuel system Air in fuel system Vent fuel system (→ Page 85).
Engine governor Faulty Contact Service.
Engine does not reach rated speed
Component Probable Cause Action
Fuel supply Fuel prefilter clogged Replace (→ Page 92).
Fuel filter clogged Replace (→ Page 87).
Air supply Air filter clogged Check signal ring position of service in-
dicator (→ Page 95).
Fuel injection equip-
ment
Injector faulty Replace (→ Page 75).
Injection pump faulty Contact Service.
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MTU 12V2000B26F Specifications

General

Brand	MTU
Model	12V2000B26F
Category	Engine
Language	English