KOHLER Generator Locked Rotor Shutdown

Locked Rotor shutdown happened on one of our KOHLER generators Model 9EKOZD. According to troubleshooting this alarm message means that engine failed to crack. Nevertheless engine had been staring and running as it should at idle load. When we did apply some load to it, engine was shutting down immediately. That was bit a confusion. But look what we found – wiring for electric fuel feed pump was touching engine body and seized its insulation due to friction creating a short circuit. It was considered that this fault was originated from this seized wiring, when there was a demand for fuel increase due to load pick up.


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