Operating The Emergency Operation Unit; Operation / Function Of Emergency Operation Unit In Operation - Man D2868 LE433 Operating Instructions Manual

Operating the emergency operation unit

Requirements for operation / activation / deactivation:
D The emergency running control system should be only activated while the engine is running.
Otherwise the "System Failure" LED flashes to indicate there is no engine speed signal
D The engine should be shut down via the ignition lock
When the emergency stop button is pressed, the "System Failure" LED on the Em-C operation unit lights
up when the ignition is simultaneously on as the active systems EDC engine control and emergency run­
ning unit are shut down by the emergency stop.
The "System Failure" LED goes out after the emergency stop button has been released.

Operation / function of emergency operation unit in operation:

Enabling emergency operation unit
The system is ready for operation once the ignition has been turned on. This is indicated by the green
"Power-On" The red LED (Failure) must not light up. The emergency running system can now be activated
by pressing the button twice:
Pressing the button for the first time requests emergency running mode. The button flashes cycli­
cally for approx. 6 seconds and an acoustic signal is issued. During this time, the request must be
acknowledged by pressing the button for a second time. The button lights up permanently once
the changeover to emergency running mode has taken place.
If there is no acknowledgement by pressing the button for a second time, the system returns to
the initial setting (operational readiness).
Note:
Once the emergency running system has been activated, it is only possible to switch back to nor­
mal throttle lever mode by shutting down the engine (ignition "OFF" for at least 3 seconds)!
Commissioning and operation
93