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Commissioning and operation2. Display device MMDS-LThe engine monitoring alarms the officerguiding the ship when important engineoperating values are outside the permittedtolerance range.D Acoustically by means of an integratedbuzzer or horn connected at the shipyardD Visually in that the relevant warninglamp flashesThe engine operating parameters shownon the display device are monitored.If gearbox parameters are to be monitored,this depends whether the correspondingsensors have been fitted in thegearbox.Engine in operationGenerator/speed sensorEngine oil pressureEngine coolant temp.Charge air temperatureCool. press. water pumpElectronics failureMAN MARINE DIESELCool. press. expans. tankExhaust gas temperatureEngine oil temperaturePressure air filterGearbox oil pressureGearbox oil temperatureBoost pressureCoolant levelOverspeedAlarmEngine slow downSensor failureTYP MMDS–LTESTRESETSystemFault51.27720–7008The device distinguishes between the following types of alarm, error messages:D Preliminary alarm: the corresponding light-emitting diode flashesD Main alarm: the corresponding light-emitting diode flasheslight-emitting diode “Alarm” flashesIn the case of an engine slow down alarm,“Engine slow down” also flashesIn the case of a stop alarm, “Engine stop” also flashesD Sensor fault: the corresponding light-emitting diode flasheslight-emitting diode “Sensor fault” flashesThe alarm “Sensor fault” means that the corresponding sensor is classified by the monitoringsystem as defective, as it is returning an unrealistic value.The engine speed is not reduced.In the event of a fault in the electronic system, the warning lamp lights up continuously.There is then a defect in the electronic fuel injection (EDC).So as not to endanger the engine, the engine power is automatically reduced in the caseof selected main alarms.Note for engines with electronically controlled diesel injection (EDC):After the ignition has been switched on, the lamp “Electronic fault” lights up briefly(lamp test). If there is a fault in the electronically controlled diesel injection (EDC),the lamp “Electronic fault” lights up permanently.21