Operator`s manual
ENGINE
TROUBLESHOOTING
Introduction
The tables which follow indicate troubleshooting procedures based upon certain problem indicators, the
probable causes
of
the problems, and the recommendations to overcome these problems.
Note that the engine's control system (electrical system)
is
protected
by
a 20-Ampere manual reset circuit
breaker located on the rear lifting bracket.
Problem
Key switch
ON
but
no
panel or
test function.
PREHEAT switch is de-
pressed: no preheat
solenoid activation:
no
electric fuel pump
or
alternator excitation.
Probable
Cause
1.
Battery OFF.
2.
20
Amp circuit
breaker is tripped.
3.
Loose battery
cable connection.
1.
Faulty solenoid,
connections
or
switch.
2.
Faulty connection
or
tripped
10
Amp breaker
on the
I terminal on the
preheat solenoid.
79
Verffication/Remedy
1.
Turn Battery ON.
2.
Reset the breaker by
pushing in the button.
3.
Check the + connection
to
the starter and the -
connection
to
the ground
stud on the bell housing.
1.
Connection for
12
volts at
S terminal of the solenoid
is.
faulty.
1.
Check the preheat switch.
2.
Check for
12
volts at the
10
Amp breaker. Check
for
12
volts at
fuellifl
pump
and at the R terminal on the
alternator when the preheat
button
is
pushed.
Westerbeke Diesel Engines