Check position of overspeed trip lever and reset if necessary. Ground Protective Relay. Examine ground protective relay and reset if necessary. Tripping of the ground protective relay will not cause an engine to stop unless the locomotive throttle is in Run 5 or Run 6. After starting engine, check ground relay and starting contactors.
Fuel pump switch on control push-button switch box.
The alarm may be intermittent or steady. Determine which engine is causing the alarm and shut it down immediately. Check for stopped engine. When engines should be over idling speed by throttle control, check for engine idling. Check main bearing oil pressures.