Operator`s manual

ENGINE TROUBLESHOOTING
Problem Probable Cause
PREHEAT switch is depressed: Battery switch
no panel indications, fuel
solenoid, electric fuel pump and
preheat solenoid not energized. 20-Amp circuit breaker tripped.
START switch is depressed: Connection to solenoid faulty.
no starter engagement
START switch is depressed:
panel indication
OK; start
solenoid
OK; fuel solenoid not
functioning.
Faulty
START switch.
Faulty solenoid.
Loose battery connection.
Low batteries.
Poor connections to fuel
solenoid.
Defective fuel solenoid.
No ignition: cranks, but does not Faulty fueling system.
start; fuel solenoid energized.
WESTERBEKE GENERATORS
78
VerificationiRemedy
Check switch and/or battery
connections.
Reset breaker; if breaker trips
again, check preheat solenoid
circuit and run circuit for shorts
to ground.
Check connection.
Check switch with ohmmeter.
Check that
12 volts is present at
solenoid connection.
Check battery connection.
Check battery charge state.
Check connections.
I. Check mechanical
positioning
of fuel solenoid for
plunger bottoming.
2. Manually check movement of
fuel solenoid plunger and
throttle arm.
3. Check for voltage drop at
solenoid during PREHEAT.
Check wire size from remote
panels.
I. Check for fuel to generator
engine.
2. Check for air in fuel system.
Allow system
to self-bleed.
3. Fuel lift pump faulty.
4. Filters clogged.
(Replace filters and allow
system
to self-bleed by
depressing only the PREHEAT
switch.