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7 Troubleshooting
7.1 Troubleshooting
Engine does not turn when starter is actuated
Cause
Corrective action
Battery low or faulty
u
Charge or replace (→ manufacturer's documentation).
Cable connections faulty
u
Check cable connections for secure seating (→ manufacturer's
documentation).
Starter (electric): Engine cabling
or starter faulty
u
Check whether cable connections are properly secured.
Contact Service.
Starter (compressed air): Cabling
on starting valve or starter
defective
u
Check whether cable connections are properly secured.
Contact Service.
Engine wiring faulty
u
Engine / generator control:
Assemblies or connectors
possibly loose
u
Perform visual inspection (→ manufacturer's documentation).
Engine governor: Plug-in
connections loose
u
Check plug-in connections (→ Page 284).
Running gear blocked (engine
cannot be barred manually)
u
Contact Service.
Engine turns on starting but does not fire
Cause
Corrective action
Poor rotation by (electric) starter:
Battery low or faulty
u
Charge or replace (→ manufacturer's documentation).
Poor rotation by (air) starter:
Pressure too low.
u
Check compressed air system.
Engine wiring faulty
u
Air in fuel system
u
Vent fuel system (→ Page 208).
Engine governor defective
u
Contact Service.
Engine fires unevenly
Cause
Corrective action
Injector defective
u
Check, replace as necessary (→ Page 196).
Engine wiring faulty
u
Air in fuel system
u
Vent fuel system (→ Page 208).
Engine governor defective
u
Contact Service.
MS15039/01E 2018-11
| Troubleshooting | 151
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