TOHATSU MFS 25d User Manual

PRE-OPERATING PREPARATIONS36
6
ENOM00041-B
Warning indicators, faults and remedy
Remarks
*1: Remote control model and multi-tiller handle model: The buzzer and lamp (LED) are activated when the
key is turned on.
Basic tiller handle model: The buzzer and lamp (LED) are activated when pulling the recoil starter or
running the starter motor.
*2: It is necessary to stop the engine, if you want to reset the warning system.
High speed ESG (Electronic Safety Governor)
High speed ESG is a device to prevent over revolution of the engine. If the load to the engine becomes light for
some reason, it runs at a higher speed than the usual. In such the case, the buzzer sounds and the ESG is
activated not to ignite the spark plug. Therefore, the engine speed varies and is controlled following specified
engine speed.
MFS 30D: 6700 min
-1
(rpm)
MFS 25D: 6200 min
-1
(rpm)
Low speed ESG
Low speed ESG is a device to prevent the engine from getting damage. If the engine has problems regarding
cooling water, oil pressure, and sensors, the low speed ESG is activated not to ignite the spark plug, and disable
fueling. Therefore, the engine speed varies and is controlled under 2800min
-1
(rpm).
Warning indicators
Description of faults Remedy
Sound Lamp (LED)
Low
speed
ESG
High
speed
ESG
1 sec. 1 sec.
Normal system test when start up.
*1
Continuous ON ON
Engine speed exceeds maximum
allowable RPM
1
Continuous
*2
ON
*2
ON
*2
Low oil pressure
2
Continuous
*2
ON
*2
ON
*2
Cooling water Temperature is high.
3
Intermittent
short beep
*2
Blinking
*2
ON
*2
Water temp or MAP sensor out of
range
4

TOHATSU MFS 25d Specifications

General

Brand	TOHATSU
Model	MFS 25d
Category	Outboard Motor
Language	English