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Commissioning and operation– In the case of an engine slow down alarm, short-term lowering of enginespeed below 800 rpm so that higher engine speed can be reached– In the case of a stop alarm, the alarm can only be deleted if the engine is ata standstillThe following light-emitting diodes function continuously:D Power on:Diagnosis unit is receiving voltageD Ignition:Ignition is onD Serial data activity: Data interchange at the bridge.If this fails, no more data is displayed on the bridge, neitheron the display (MMDS-L /-LC) nor on the round instruments.The two light-emitting diodes below the “Horn off” key mustalways be functioning.The light-emitting diode below the “Test” key only reacts whenalarms are acknowledged.If the following light-emitting diodes light up, there is a faultD Diagnostic unit failure: The diagnosis unit is defectiveD Sensor failure: A sensor is defective. The measurement point of the defectivesensor flashes with the same frequency as “Sensor failure”D Speed sensor failure: Defective engine speed inputD Remote slow down: Remote reduction of speed.Alarm at other engine. The defective engine reducesthe intact engine.This prevents a curving manoeuvre in the case of an alarm.Shutting downAfter the engine has been running at a high load level, do not shut it down immediatelybut allow it to idle about 5 minutes so that temperatures may equalize.Set deck switch to “Neutral” and switch off the engine at the ignition key.Remove key from starting lock.Danger:Ensure that the engine can not be started by unauthorized persons.49