ECU ECU-57N - Overcrank Fault; Overcrank Fault Occurrence; Overspeed Fault; Overspeed Fault Shutdown

OVERCRANK
FAULT
FUEL RELAY
START RELAY
HIGH WATER TEMP
LOW OIL
PRESS
MAGNETIC
PICKUP
REMOTE
START
CONTACTS
6
5
4
3
1
15 14 13 X1
FOR
INFORMATION
ON SETUP OF
POTS AND
SWITCHES SEE
ADJUSTMENTS
PAGE
AUTO
OFF
MANUAL
LOW OIL PRESSURE LAMP
HIGH WATER TEMP LAMP
OVERCRANK LAMP
OVERSPEED
LAMP
ENGINE STARTED LAMP
COMMON
ALARM LAMP
If the engine does not start in the allotted time, as determined by the Crank Cycle Adjust and the Dip Switch
settings, the Overcrank Fault occurs. The Fuel and Start relays are turned off and the appropriate signals
indicate as shown. The LED versions indicate via an LED also. The Overcrank condition is a latched condition
and
must be reset via the Engine Control Switch. See Adjustments page for proper settings of adjustments .
OVERS PEED
FAULT
FUEL RELAY
START RELAY
HIGH WATER TEMP
LOW OIL
PRESS
MAGNETIC
PICKUP
REMOTE
START
CONTACTS
15 14 13 X1
6
5
FOR
INFORMATION
4
ON SETUP OF
POTS AND
3
SWITCHES SEE
ADJUSTMENTS
PAGE
1
AUTO
OFF
MANUAL
LOW OIL PRESSURE LAMP
HIGH WATER TEMP LAMP
OVERCRANK
LAMP
OVERSPEED LAMP
ENGINE STARTED
LAMP
COMMON ALARM LAMP
The Overspeed fault is armed at engine cranking. If the internal speed switch detects a speed equal or above
the Overspeed
Adjustment Setting the engine is shutdown immediately. The internal speed switch uses the
Magnetic Pickup for speed detection. The Fuel Relay is turned off, the Low Oil Pressure switch is locked out
and the appropriate signals indicate as shown. The LED versions indicate via an LED also. The Engine Switch
must be placed in OFF for reset. See Adjustments page for speed adjustments.
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