Software Diagnostics - Westerbeke 3.5KW SBCG-60Hz Operator's Manual

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
~w
Reading less than
o
excessively cold weather
-25°C (-13°F)
o
faulty temperature sensor
2 Engine Coolant Temp High
. Reading more than
o
faulty temperature sensor
95°C (203°F)
o
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 Crank Sensor Possible Fault Internal ECU. parameter
.; sensor tip contaminated with metal filings
o
speed conditioning module faulty
Oil Pressure Sender Shorted
Short circuit (0 ohms)
o
faulty oil pressure sender
7
o
pinched or bare wire in harness
8
Oil Pressure Sender Open
Open circuit
(00
ohms)
o
faulty oil pressure sender
o
loose connection or corroded wiring
,Re'ading less than 12 psi
o
check oil level
9
Oil Pressure Low
o
insure proper oil viscosity
for 5 sec
,0
check lubrication system for leaks
o
blown fuse
BatteIyVoltage Low Less than
11
volts
o
dead batteIy
10
o
faulty regulator or charging circuit
o
loose connection or corroded wiring
11
BatteIyVoltage High More than 15 volts
o
faulty regulator or charging circuit
Ambient Air Temp Shorted
Short circuit (0 ohms)
o
faulty air temperature sensor
12
o
pinched or bare wire in harness
Ambient Air Temp Open Open circuit
o
faulty air temperature sensor
13
o
loose connection or corroded wiring
Ambient Air Temp Low
Reading less than
o
excessively cold weather
14
-25°C (-13°F)
o
faulty air temperature sensor
Reading more than
o
excessively hot weather
15
Ambient Air Temp High
o
bilge venting system faulty or inadequate
9::t~
(203°F)
o
faulty temperature sensor
-.v'
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