Vetus DIESEL VH4.65 Operation Manual page 61

Fault finding table
1 Engine will not crank
Possible fault
Faulty or discharged battery.
a
Loose or corroded connections
B
in starting circuit.
Faulty starter-switch or faulty
C
starter-relay.
Faulty starter-motor or pinion
d
does not engage.
Starter relay is not engaged
e
due to a voltage too low; cau-
sed by a very long intermediate
cable from engine to control
panel.
Remedy
Check / recharge bat-
a
tery and check engine
alternator and/or battery
charger.
Clean and tighten con-
B
nections.
Check / replace.
C
Check / replace starter-
d
motor.
Install an auxiliary starter
e
relay.
2 Engine cranks but will not start, no smoke from exhaust
Possible fault
Fuel stop valve closed.
a
(Nearly) Empty fuel tank.
B
Air in fuel system.
C
Fuel filter clogged with water
d
and/or contamination.
Leaking fuel supply line or fuel
e
injection line.
Faulty injector/injection pump.
f
Vent line of fuel supply tank
g
clogged.
Exhaust restricted.
h
Electric fuel lift pump doesn't
i
operate.
Delivery and suction valves of
j
electric fuel lift pump obstruc-
ted by dirt.
Clogged filter of electric fuel lift
k
pump.
Troubleshooting
Remedy
Open.
a
Refill.
B
Check and bleed.
C
Check or replace.
d
Check / replace.
e
Check, replace if
f
required.
Check / clean.
g
Check.
h
Check / replace.
i
Check / clean.
j
Install a fuel pilot filter
in fuel line from tank to
engine.
Check / clean.
k
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