Service Manual

Table Of Contents
Faults
7.1 Fault table
44
7
Faults Causes Measures
Engine doesn't start up, or
starts up with difficulty
Not disconnected (if possible) Check clutch
Starting limit temperature not reached
15
Wrong SAE viscosity class of the engine oil Change the lubricating oil
(
23
)
Fuel quality does not comply with instruction manual Change the fuel
(
24
)
Air in fuel system Venting the fuel system
(
32
)
Battery defective or not charged Check battery
(
42
)
Cable connections to the starter loose or oxidised Check cable connections
Starter defective or pinion doesn't mesh Check starter
Engine doesn't start up and dia-
gnosis light is blinking
Engine electronics prevent start
Check error according to error code, clear error if
necessary
Engines starts up, but runs irre-
gularly or misfires
Fuel quality does not comply with instruction manual Change the fuel
(
24
)
High pressure pipe leaking Check high pressure pipe
Injector defective Check injector/change if necessary
Speed changes are possible
and diagnostic lamp lights up
Engine electronics has detected a system error and activates an equivalent
speed
Check error according to error code, clear error if
necessary
Engine gets too hot. Tempera-
ture warning system is activa-
ted
Oil level too low Fill up lubricating oil
(
29
)
Oil level too high Check oil level and drain if necessary
(
29
)
Air filter soiled / turbocharger defective Check /change if necessary
Air filter maintenance switch / display defective Check /change if necessary
Fan defective / V-belt torn or loose Check fan/V-belt/change if necessary
Heat short-circuit in the cooling system Check the cooling system
Resistance in cooling system is too high / flow volume too low Check the cooling system
Engine lacks power
Oil level too high Check lubricating oil level
(
29
)
Fuel quality does not comply with instruction manual Change the fuel
(
24
)
Air filter soiled / turbocharger defective Check /change if necessary
Air filter maintenance indicator / service gauge defective Check /change if necessary
Charge air pipe leaking Check charge air pipe
High pressure pipe leaking Check high pressure pipe
Fuel injector defective Check fuel injector
Engine lacks power and dia-
gnosis lamp lights up
Engine electronics reduce power
Check error according to error code, clear error if
necessary
T 7-1: Fault table