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4.11.4 Mode Selection
The unit may be operated in Auto, Manual or Test modes.
In the Auto mode, the unit responds to the autostart input, Scheduler or Remote Starts and controls A and
B contactors.
In Manual mode the unit responds only to the manual push button and may control A and B contactors if
this option has been enabled.
In Test mode the engine responds only to the manual start button and runs for a preset test time if
configured. Contactors are not controlled.
In all three modes the engine can be stopped with the Stop button.
The operating mode of the unit is selected by pressing the
mode of the unit is cycled round to the next mode. As the modes change the display shows the new mode
and the appropriate mode LED is lit.
Manual Operation
To start engine manually
Select manual mode by pressing the
Press the start
•
PREHEAT. The Preheat output is energised (if selected) and the display shows "Preheat" with a
countdown time
•
FUEL-ON. If ETR (energise to run) fuel control is configured, the unit will control the fuel output and
display "Fuel On". For ETS (energise to stop) the sequence proceeds after a short delay to Cranking.
•
CRANK. The crank solenoid is energised and the display shows "Cranking" with a countdown time.
If the engine does not start then after a Stopping, the unit will return to Ready. If the unit looses power
due to battery voltage droop, and the engine fires, then on restoral of battery voltage the unit will
continue to allow the engine to run. The minimum battery voltage measured during the crank cycle
is displayed as Vm
•
RUN UP. When the engine starts, the display shows "Run Up" with a countdown for a few seconds.
This allows the engine measurement system to stabilise. Only HIREV and loss of speed signal are
checked during Run Up.
•
IDLE UP. The engine is now running with the Idle output on (if configured). Oil Pressure, loss of
speed signal, overspeed and HIREV are monitored.
•
WARM UP allows the engine to stabilise at full speed before going on load. Oil pressure, overspeed
and HIREV are monitored. The display shows "Warm Up" with a countdown time
•
RUNNING. The display shows "Running". Operating parameters are scrolled onto the display. "Manual"
appears in the list indicating the engine was manually started.
To stop the engine manually
Push the
button briefly. The unit will perform a stopping sequence as follows:
O
•
IDLE DOWN. The engine runs at idle speed with a countdown time. Oil Pressure, loss of speed
signal, overspeed and HIREV are monitored.
•
STOPPING. The display will show "Stopping" with a countdown time.
o
If ETR fuel control has been selected the Fuel output will be de-energised.
o
If ETS fuel control has been selected then the Fuel output will be energised for the Max Fuel
Time or until the engine stops. The Fuel Pull output will be energised for 1 second at the start
of the Stop Hold time. The stopping process will retry if the engine fails to stop the first time.
During the "ETS Rest" period the Fuel output is deactivated.
50
button briefly when in "Ready". The unit will perform the starting sequence as follows:
I
button until the display shows MANUAL and the Manual LED is lit
button. For each press of the button the
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Troubleshooting
