Information About Failures; Troubleshooting - VM Motori D703E2 Manual De Instrucciones

TROUBLESHOOTING

The information below are provided to
GB
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
The starter motor is not
running
English

INFORMATION ABOUT FAILURES

Cause
Flat battery
Blown fuse
The electric cables are discon-
nected or they do not guaran-
tee continuity
Failure of engine revolution
sensor
Presence of air in the fuel sup-
ply circuit
Dirty or faulty injectors
Faulty fuel pressure regulation
valve
Failure of the start control
Water and/or impurities in the
fuel
Clogged fuel filter
Electromagnet failure
Flat battery
Interrupted electric connection
Worn brushes
68
D700-750E2_E3
Activation of a visual and/or acoustic
signal indicates some form of malfun-
ction.
In this case, turn the engine off imme-
diately and consult the documentation
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
Apply to an authorised work-
shop
Replace filter (See "Fuel filter
replacement")
Check the starter motor. Apply
to an authorised workshop
Recharge or replace battery
Check the electric connections
Replace the worn brushes. Ap-
ply to an authorised workshop
VM p/n 42432097F Ed.4 - 2015-05