SOFTWARE
DIAGNOSTICS
Engine
RUN
State Warnings:
Engine
RUN
state is -
DC
circuit breaker on, generator successfully started and running
In
the
RUN
state
all
warnings are logged and a light
will
be illuminated
on
the control panel. The light(s) will go out
when the warning condition is
no
longer present. Warnings will be indicated
as
follows:
Oil
Pressure warnings illuminate
the
OIL PRESSURE light.
Engine
Coolant
Temperature warnings illuminate the ENGINE TEMP light.
EXhaust
Temperature
High illuminates the EXHAUST
TEMP
light.
External Alarm warning illuminates the EXT. ALARM light.
OverSpeed and UnderSpeed warnings illuminate the pair of SPEED lights.
All
other warnings illuminate the pair of CHECK ENGINE lights.
1 Engine
Coolant
Temp
Lo_w
Reading less than
o
excessively
cold weather
-25oc (
-13°F)
o faulty temperature sensor
2
Engine
Coolant
Temp High
Reading more than
• faulty temperature sensor
95°C
(203°F)
0
engine heat soak after normal shutdown
3
UnderSpeed
Under
1760
rpm for 8+
o
excessive
load on generator
seconds
o
fuel
supply insufficient
OverSpeed
Over
2375
rpm for 8+
o vacuum leak in intake manifold or hoses
4
seconds
o throttle shaft sticking
5
OverLoad
Throttle
wide
open and
o
excessive
load on generator
RPM
<2200
for
8+
sec
o loose connection or corroded wiring
6
Ctank Sensor Possible Fault Internal
ECU.
parameter
" sensor tip contaminated with metal filings
o speed conditioning module faulty
7
Oil
Pressure Sender Shorted
Short
circuit (o ohms)
o faulty
oil
pressure sender
or bare wire in harness
8
Oil
Pressure Sender Open
Open
circuit
(oo
ohms)
o faulty oil pressure sender
o loose connection or corroded wiring
-Re-ading
less than
12
psi
• check
oil
level
9
Oil
Pressure
Low
o insure proper
oil
viscosity
for 5
sec
.•
check lubrication system for
leaks
• blown fuse
Battery
Voltage
Low
Less
than
11
volts
o dead battery
10
o faulty regulator or charging circuit
• loose connection or corroded wiring
11
Battery
Voltage
High
More than
15
volts
o faulty regulator or charging circuit
Ambient
Air
Temp
Shorted
Short
circuit
(o
ohms)
o faulty air temperature sensor
12
o pinched or bare
wire
in harness
13
Ambient
Air
Temp
Open Open circuit
• faulty air temperature sensor
o loose connection or corroded
wiring
14
Ambient
Air
Temp
Low
Reading less than
o excessively cold weather
-25°C
(-13°F)
air temperature sensor
Reading more than
o excessively hot weather
15
Ambient
Air
Temp
High
9~tC
(203°F)
•
bilge venting system faulty or inadequate
~
WESTERBEKE
.•.faulty sensor
Engines & Generators
33