Information About Failures; Troubleshooting - VM Motori R754EU5 Instructions Pour L'emploi

TRoUBLESHooTING

The information below are provided to
facilitate the identification and solution
of possible anomalies and failures which
may occur during operation. Some of
these problems can be solved by the user,
while others require specific technical
skills or abilities, therefore they should be
exclusively dealt with by qualified tech-
nicians with extensive experience in the
specific sector of intervention.
Problem
During the ignition phase the
control board and the engine do
not start.
The engine does not start
The starter motor runs idle
English
R750EU5 - IE3 - TE4 - IE4 - ISE4

INFoRmATIoN ABoUT FAILURES

Cause
Flat battery
Blown fuse
The electric cables are
disconnected or they do not
guarantee continuity
Failure of engine revolution
sensor
Presence of air in the fuel supply
circuit
Dirty or faulty injectors
faulty fuel pressure regulation
valve
Failure of the start control
water and/or impurities in the fuel Apply to an authorised workshop
Clogged fuel filter
Electromagnet failure
57
Activation of a visual and/or acoustic
signal indicates some form of malfun-
ction. In this case, turn the engine off
immediately and consult the documen-
tation supplied by the manufacturer of
the vehicle/device in which the engine
is installed.
Remedy
Recharge or replace battery
Replace fuse
Check the electric connections
Replace the sensor
Apply to an authorised workshop
Carry out bleeding (See "Fuel
supply circuit bleeding")
Replace the injectors
Apply to an authorised workshop
Replace the valve
Apply to an authorised workshop
Replace the start control
Apply to an authorised workshop
Replace filter (See "Fuel filter
replacement.")
Check the starter motor
Apply to an authorised workshop
Ed.8 / 0-202
GB