Westerbeke 3.5 SBCG Operator's Manual page 44

ENGINE TROUBLESHOOTING/SOFTWARE DIAGNOSTICS
Engine CRANK State Shutdowns:
"Engine CRANK state is - DC circuit breaker on, generator start switch has been pushed but engine is not up to
running speed yet. This state only lasts for a few seconds on a typical engine before the engine starts and transitions to
the RUN state.
In the CRANK state, warnings are not indicated on the LED display, and they are not logged. All shutdowns are
logged.
Shutdown Description
Parameters
Possible cause
-
No CAM speed sensor
o
cam sensor adjusted improperly
1
Cam Sensor failure
signal detected by ECU
o
loose connection or corroded wiring
o
sensor tip contaminated with metal filings
Exceeds 8 second crank
o
faulty battery
2
Over-Crank Timeout
duration
o
loose connection or corroded wiring
o
fuel supply insufficient
External Alarm
Open circuit
o
external alarm fault (i.e. Fireboy)
3
o
loose connection or corroded wiring
o
faulty battery
Battery Voltage Low
Less than 8 volts
o
faulty charging circuit
4
o
blown fuse
o
loose connection or corroded wiring
No speed signal detected
o
loose connection or corroded wiring
5
Speed Signal Not Detected
o
speed conditioning module faulty
byECU
o
sensor tip contaminated with metal filings
o
Out of fuel or fuel system
not bled properly
MAP reading out of range
o
faulty MAP sensor
6
MAP Sensor Fault
o
pinched or bare wire in harness
( <10 kPa or >115 kPa)
o
loose connection or corroded wiring
1----
32
i