Installation manual
ENGINE
TROUBLESHOOTING
Problem
Probable
Cause
Verllicatlon/Remedy
Exhaust
smoking
problems
1.
Blue
smoke.
1.
Incorrect
grade
of
engine
oil.
1a.
Crankcase
is
overfilled
with
engine
oil
(oil
is
blowing
out
through
the
exhaust).
2.
White
smoke.
2.
Engine
is
running
cold.
2a.
Faulty
injector
or
incorrect
injector
timing.
3.
Black
smoke.
3.
Improper
grade
of
fuel.
3a.
Fuel
burn
incomplete
due
to
high
back
pressure
in
exhaust
or
insufficient
air
for
proper
combustion
(Check
for
restrictions
in
exhaust
system;
check
air
intake.).
3b.
Improperly
timed
injectors
or
valves
or
poor
compression.
3c.
Lack
of
air
-
check
air
intake
and
air
filter.
Check
for
proper
ventilation.
3d.
Overload.
LCD
DISPLAYS
1.
Check
battery.
1.
Battery
on.
No
LCD
Display
2.
20
amp
breaker
off.
2.
Turn
breaker
on.
Oil
Pressure
1.
Oillevellow/oilleak.
1.
Check
oil
level,
add
oil
and
repair
leaks.
2.
Lack
of
oil
pressure.
2.
Test
oil
pressure.
If
OK,
test
oil
pressure
sendor,
inspect
oil
filter,
inspect
oil
pump.
3.
Ground
connection.
3
Check
ground
circuit.
4.
Faulty
control
module.
4.
Inspect
all
plug
connections/replace.
Coolant
Temperature
1.
Check
system
coolant
level.
1.
Add
coolant.
Check
for
leaks.
2.
Check
water
pump
drive
belt.
2.
Test
oil
pressure,
replace
belt.
3.
Faulty
Temperature
sensor.
3
Check
sensor/replace.
4.
Ground
connection.
4.
Check
ground
circuil.
5.
Faulty
control
module.
5.
Check
plug
connections/replace.
Exhaust
Temperature/External
Fault
1.
Check
sea
water
flow.
1.
Inspect
thru
hull
fitting,
hose
and
strainer.
Correct
as
needed.
2.
Faulty
exhaust
temperature
switch.
2.
TesVreplace.
3.
Ground
connection.
3
Check
ground
circuit.
4.
Faulty
control
module.
4.
Check
plug
connections.
5.
Sea
water
pump.
5.
Inspect
impeller/replace.
6.
Fire
suppressor
system.
6.
Check
systemlby-pass.
Battery
Voltage
1.
Check
alternator
drive
belt.
1.
Adjust
tenSion/replace
if
worn.
2.
Check
charge
voltage.
2.
Check
excitation,
replace/repair
alternator.
3.
Check
battery
connections.
3
Check
+ and·
cables
from
battery
to
engine.
4.
Faulty
control
module.
4.
Check
plug
connections/replace.
Generator
Voltage
1.
Check
AC
voltage
output.
1.
Adjust
voltageltroubleshoot
generator
for
cause.
2.
Improper
voltage
sense
connections.
2.
Check
connections.
3.
Faulty
control
module.
3
Check
plug
connections/replace.
Generator
Frequency
1.
Check
Engine
speed.
1.
Adjust.
2.
Check
fuel
supply.
2.
Inspect
filters/replace
filters.
Test
fuel
pump
operation.
3.
Amperage
load.
3
Check
load
with
amprobe.
LED
Display
1.
Compartment
ambient
temperature
1.
Ventilate
compartment.
Edges
turn
pink
too
high.
Note:
Heat
will
often
change
the
color
of
an
ICD
displar
This
will
nat
effect
the
operation
of
the
engine.
Waiting
for
ECU
1.
ECU
or
display
1.
Check
compatibility
of
ECU/display
lor
NEMA
2000
or
Westlink.
Engines & Generators
23