MGC120 Petrol Genset Controller User Manual
MGC120 Petrol Genset Controller Version 1.2 2019-02-22 Page 20 of 20
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FAULT FINDING
Table 10 Fault Finding List
Symptoms
Possible Solutions
Non response when controller is
powered on.
Check starting batteries;
Check controller connecting wirings;
Check DC fuse.
Genset shutdown
Check AC generator voltage.
Low oil pressure alarm after
successful start
Check oil pressure sensor and the wirings.
Shutdown Alarm in running
process
Check related switches and the wirings according LED indicators;
Start Failure
Check fuel circuit and its connections;
Check starting batteries;
Check speed sensor and its connections;
Refer to engine manual.
Non response for starter
Check starter connections;
Check starting batteries.
Air
flap
stepper
motor
contrarotation or rotation only in
one direction
Check connection wiring order of stepper motor.
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