Troubleshooting - MTU 8V2000Mx4x Operating Instructions Manual

7.2 Troubleshooting

Engine does not turn when starter is actuated
Cause
Battery low or faulty
Battery: Cable connections faulty
Engine cabling or starter faulty
Engine cabling defective
Loose plug connections on Engine
Control Unit
Loose plug connections on Engine
Interface Module (EIM)
Fuse F1 in engine wiring harness
defective (fuse lamp on EIM
flashes with relevant flashing
code)
Running gear blocked (engine
cannot be barred manually)
Engine turns on starting but does not fire
Cause
Poor rotation by starter: Battery
low or faulty
Engine cabling defective
Air in fuel system
Engine Control Unit defective
Engine fires unevenly
Cause
Injector defective
Engine cabling defective
Air in fuel system
Engine Control Unit defective
Engine does not reach nominal speed
Cause
Fuel prefilter clogged
Easy-change fuel filter clogged
Air supply: Air filter clogged
Fuel injection: Injector defective
Engine cabling defective
Engine: Overload
Corrective action
u Charge or replace (see manufacturer's documentation).
u Check if cable connections are properly secured (see
manufacturer's documentation).
u Check firm seating of cable connections, contact Service.
u Check (→ Page 131).
u Check plug connections (→ Page 134).
u Check plug connections (→ Page 136).
u Check fuse (replace if required) and re-start the system by
actuating the key switch.
u Contact Service.
Corrective action
u Charge or replace battery (see manufacturer's documentation).
u Check (→ Page 131).
u Vent fuel system (→ Page 87).
u Contact Service.
Corrective action
u Replace (→ Page 84).
u Check (→ Page 131).
u Vent fuel system (→ Page 87).
u Contact Service.
Corrective action
u Replace (→ Page 96).
u Replace (→ Page 88).
u Check signal ring position of service indicator (→ Page 101).
u Replace (→ Page 84).
u Check (→ Page 131).
u Contact Service.
MS150060/04E 2016-02 | Troubleshooting | 61