PISTON A. 3B9737 - Caterpillar

Engine speed is above the setpoint for engine overspeed. The default value for engine overspeed is dependent on the application. Use the Caterpillar Electronic Technician (ET) in order to monitor the system parameter for engine overspeed.System Response:The event is logged in memory. If the engine speed decreases 100 rpm below the default setpoint, the warning will become inactive.Possible Performance Effect:NoneTroubleshooting:This event indicates excessive engine speed. This does not represent a problem with the Electronic Control Module (ECM). This event does not represent a problem with the engine speed/timing sensor.Test Step 1. Engine Overspeed WarningThis event records the engine overspeed warning. No troubleshooting is required.Expected Result:Results:
OK - STOP