7.1 Diagnosis Chart
Faults, Causes and Remedies
7
67
Faults, Causes and Remedies
7
● Faults are often caused by maloperation of the engine
or failure to service the engine.
● In the event of a fault, always check whether the
operating and servicing regulations have been adhered to.
● A corresponding fault table can be found on the
adjacent page.
● If you cannot ascertain the cause of a fault or cannot
rectify the fault, please contact DEUTZ SERVICE.
7.1 Diagnosis Chart
7.1 Diagnosis Chart
Faults, Causes and Remedies
Fault Remedy
Engine fails or is difficult to start Check P
Engine starts but runs unevenly or stalls Adjust E
Engine overheats. Temperature monitor gives warning Replace W
Engine gives poor performance Clean R
Engine not firing on all cylinders Top up A
Engine has little or no oil pressure Lower level S
Engine oil consumption excessive
Engine smokes – blue
– white
– black
Cause
●
●●
●●
●● ●●
●●●
●●
●● ● ●
●● ●
●● ●
●●
●
●
●
●
●
* LDA = Aneroid device
Not declutched (where possible)
Below starting limit temperature
Oil level too low
Oil level too high
Excessive inclination of engine
Incorrect lube oil SAE class or quality
Fuel quality not as per operating manual
Air cleaner clogged / turbocharger defective
Air cleaner service switch / indicator defective
LDA* defective
●
Charge air line leaking
Oil cooler panels clogged
Cooling fan defective, split or loose V-belt
Cooling air temperature rise / heating short circuit
Resistance in cooling system too great / through-flow quantity too small
Battery defective or discharged
Section
Operation
Operating
media
Combustion air
Cooling system
Electrics
7
P
P
A
P
S
W
W
P / W
P / W
P
P
P / R
P / W
P
P
P / A
69
Faults, Causes and Remedies
7.1 Diagnosis Chart
7
Fault Remedy
Engine fails or is difficult to start Check P
Engine starts but runs unevenly or stalls Adjust E
Engine overheats. Temperature monitor gives warning Replace W
Engine gives poor performance Clean R
Engine not firing on all cylinders Top up A
Engine has little or no oil pressure Lower level S
Engine oil consumption excessive
Engine smokes – blue
– white
– black
●
●
●
●● ● ●●
●●●
●●●●● ●●
Cause
Electric cable connections to starter electrical system loose or oxidized
Starter defect or pinion does not engage
Solenoid defective (release switch)
Incorrect valve clearance
Leaking injection line
Injection valve defective
Section
Electrics
Engine
P
P
P
E
P
P / W
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