Mercury 200 Optimax, Manual

Page: 63 / 155

FEATURES AND CONTROLS
eng
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The warning horn will emit either a continuous beep or
intermittent short beeps. This will alert the operator and help
identify the following listed situations. Refer to the
Troubleshooting
section for specific information. For visual
display of the specific engine functions and for additional engine
data, refer to SmartCraft product information.
ENGINE GUARDIAN SYSTEM
The Engine Guardian System monitors the critical sensors on
the engine for any early indications of problems. The system will
respond to a problem by emitting a continuous beep and/or
reducing engine power in order to provide engine protection.
If Guardian System is activated, the system must be reset before
the engine will operate at higher speeds. Moving throttle lever
back to idle, or to the required reduced throttle position, resets
the system.
Problem Horn
Monitor
Display
Guardian
Activated
Percentage
of Full
Engine
Power
Available
Power Up/
System Check
Single Beep Yes N/A N/A
During Engine
Break‑In
No No No 100%
Low Oil in
Engine Oil Tank
4 Beeps... 2 Minutes
Off
Yes Yes 95%
Critically Low
Oil in Engine Oil
Tank
Continuous Beep Yes Yes 5%
Oil Pump
Electrical
Failure
Continuous Beep Yes Yes 5%
Throttle
Position Sensor
Failure
Continuous
Intermittent Beeping
Yes Yes 95%
Overspeed Continuous Beep Yes Yes 65%
High Engine
Temperature
Continuous Beep Yes Yes
From 100%
down to 4%