Information About Failures - VM Motori MR 700 Serie Manual De Instrucciones

INFORMATION ABOUT FAILURES

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
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
Ed. 3 - 2012_11
Cause
Flat battery
Fuse "triggered"
The electric cables are discon-
nected or they do not guarantee
continuity
Failure of engine revolution
sensor
Presence of air in the fuel supply
circuit..
Dirty or faulty injectors
The injection pump is set incor-
rectly or is faulty
Failure of the start control
Fuse "triggered"
The engine starting relay is not
connected correctly or is faulty
Electromagnet failure
Flat battery
Interrupted electric connection
Worn brushes
Fuse "triggered"
47
technical skills or abilities, therefore they
should be exclusively dealt with by quali-
fied technicians with extensive experience
in the specific sector of intervention.
Remedy
Recharge or replace battery
Reset the fuse (see "Reset
Check the electric connections
Replace the sensor Apply to an
authorised workshop
Carry out bleeding (see "Fuel
supply circuit bleeding")
Clean or replace injectors Apply
to an authorised workshop
Adjust the pump or replace it Ap-
ply to an authorised workshop
Replace the start control Apply to
an authorised workshop
Reset the fuse (see "Reset fuses")
Replace the relay Apply to an
authorised workshop
Check the starter motor Apply to
an authorised workshop
Recharge or replace battery
Check the electric connections
Replace the worn brushes Apply
to an authorised workshop
Reset the fuse (see "Reset
MR 700
fuses")
fuses")
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