Mercury 150 EFI Service Manual page 173

WIRING DIAGRAMS
Engine Overspeed
Sensor out of Range
Page 2D-20
Continuous
place the engine in power reduction. The Guard-
Overspeed could be caused by incorrect propel-
Continuous
Intermittent Beep
The warning horn is activated any time engine
speed exceeds the maximum allowable RPM.
The system will limit the engine speed to within
the allowable range. If the overspeed condition
continues, the Engine Guardian System will
ian system must be RESET before engine can
resume full power. Moving throttle lever back to
idle resets the system. Engine overspeed indi-
cates a condition that should be corrected.
ler pitch, engine height, trim angle, etc.
Engine Guardian System is activated. Power
limit may activate at full throttle speed.
Engine Guardian System is activated. Power
limit may restrict engine speed to idle.
90-883728 JULY 2001