PRE-OPERATING PREPARATIONS30
6
ENOM00041-D
Warning indicators, faults and remedy
Remarks
*1: In this case, oil pressure switch is “ON”.
*2: It is necessary to stop the engine, if you want to stop the working indicators and re-set 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 be controlled under 6300rpm.
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 be controlled under 2800rpm.
Warning indicators
Description of faults Remedy
Sound Lamp (LED) ESG
-
On for several
sec.
- Normal system test when start up
- - High speed ESG
Engine speed exceeds maximum
allowable RPM
1
Continuous
*2
ON
*2
Low speed ESG Low oil pressure
*1
2
MFS15-20D_EUR_EN_141119N.book 30 ページ ２０１４年１２月２３日 火曜日 午後６時４１分
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