Mercury Optimax User Manual

FEATURES AND CONTROLS
40
Warning Horn
Function Sound Description
Cooling System
Problem
Continuous Engine Guardian System is
activated. Power limit will
vary with level of overheat.
Shift outboard into neutral
and check for a steady
stream of water coming out
of the water pump indicator
hole. If no water is coming
out of the water pump
indicator hole or flow is
intermittent, stop engine
and check water intake
holes for obstruction.
Oil Level is Critically
Low
Continuous Engine Guardian System is
activated. Power limit will
allow a fast idle. The oil level
is critically low in the oil tank.
Refill the oil tank. Refer to
Fuel & Oil.
Oil Pump Failure Continuous Engine Guardian System is
activated. Power limit will
allow a fast idle. The
warning horn is activated if
the oil pump should ever
stop functioning electrically.
No lubricating oil is being
supplied to the engine.
Engine Overspeed Continuous 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. Engine
overspeed indicates a
condition that should be
corrected. Overspeed could
be caused by incorrect
propeller pitch, engine
height, trim angle, etc.

Mercury Optimax Specifications

General

Brand	Mercury
Model	Optimax
Category	Outboard Motor
Language	English