R750EU5 - IE3 - TE4 - IE4 - ISE4
English          58       Ed.8 / 10-2012
GB
Problem Cause Remedy
  The starter motor is not running  
 Flat battery    Recharge or replace battery  
 Interrupted electric connection   Check the electric connections 
Worn brushes  
Replace the worn brushes  
Apply to an authorised workshop
 
 
 
 The engine stops after ignition  
 
 
 
 Presence of air in the fuel supply 
circuit  
 Carry out bleeding (See “Fuel 
supply circuit bleeding”)  
 Clogged fuel lter  
 Replace lter (See “Fuel lter 
replacement.”)  
 Injection pump malfunction    Apply to an authorised workshop  
 faulty fuel pressure regulation 
valve  
 Replace the valve  
Apply to an authorised workshop
 Presence of air in the fuel supply 
circuit  
 Carry out bleeding (See “Fuel 
supply circuit bleeding”)  
 water and/or impurities in the fuel   Apply to an authorised workshop  
 The electric cables are 
disconnected or they do not 
guarantee continuity  
 Check the electric connections  
 
 
 
 The engine does not reach the 
operating speed  
 
 
 
 
 
 Clogged fuel lter  
 Replace lter (See “Fuel lter 
replacement.”)  
 Presence of air in the fuel supply 
circuit  
 Carry out bleeding (See “Fuel 
supply circuit bleeding”)  
 Injection pump malfunction    Apply to an authorised workshop  
 Dirty or faulty injectors  
 Replace the injectors 
Apply to an authorised workshop  
 water and/or impurities in the fuel   Apply to an authorised workshop  
 clogged air lter    Clean or replace the lter  
 Insufcient combustion air ow    Apply to an authorised workshop  
 Engine overheating    Apply to an authorised workshop  
 Overload    Reduce the load  
 Emission of black smoke from 
the  exhaust pipe
 
 Dirty or faulty injectors  
 
 Replace the injectors 
 Apply to an authorised workshop  
 Faulty turbocharging turbine  
 Replace the turbine
 Apply to an authorised workshop