Aux. Engine: Unable to stop engine Or Overspeed (activation of protective device)

Reasons & Countermeasures:
1. Defective Fuel control system, due to:
a. Defective Governor
Countermeasure: maintenance/ repair
b. Control Link is Caught or shaky.
Countermeasure: maintenance/ repair.

2. Sticking of Fuel Oil Injection pump rack.
Countermeasure: maintenance/ replacement

3. Abnormal control power supply system
(*abnormal automatic control panel,
*Abnormal/broken electrical contacts for control,
*defective solenoid valve for control,
*abnormal rotation preventive device)
Countermeasure: maintenance/ repair.

4. Defective Fuel Oil Shutdown system, due to:
a. Defective Fuel shutdown device.
Countermeasure: maintenance/ repair.
b. Defective speed detector.
Countermeasure: maintenance/ repair.
c. Insufficient control air pressure
(*clogged piping/filter,
*drop in Pressure)
Countermeasure: clean/ repair.