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Commissioning and operationDisabling emergency operationEmergency operation is always terminated automatically when the engine is switched off;the ignition must be switched off for at least 3 seconds.After switching on again, normal control lever operation is enabled first, i.e. the emergencyoperation system must be reactivated if required.Fault messagesTwo LEDs on the Em-C operating unit (green LED “Power On” and red LED “Failure”)enable the distinction of various failure states:Green LED off and red LED offIgnition switched off or no supply voltage(emergency operation not possible)Green LED on, red LED flashing without any other operating key also flashingFailure of the internal engine speed signal(function still possible with delayed shift times)Green LED on, red LED flashing together with the forwards keyFault following gear shift in forwards direction(this travel direction can no longer be activated)Green LED on, red LED flashing together with the reverse keyFault following gear shift in reverse direction(this travel direction can no longer be activated)Green LED and red LED continuously onSystem failure or no communication between Em-C and Em-R.(emergency operation not possible)Em-R is the receiver component in the terminal box.Fault states that are indicated by flashing on the Em-C operating unit must be acknowledgedusing the (N) key after the fault has been rectified. Until this acknowledgement,the fault message continues to flash.45