Starting the engine for driving / switching it off
4.1 Starting the engine from the driver's cab
4 - 12 3 302 633 en Operating Instructions GMK5250L
27.09.2017
4.1.7 Lamp test/equalisation of the switching states
Lamp test After the ignition has been switched on, a lamp test is performed.
• Check that the lamps (1) light up briefly, if
they are present. If the specified time is
insufficient, switch on the ignition again.
• If necessary, engage the parking brake and
check that the lamp (2) lights up continu-
ously.
Equalisation
of switching
conditions
When the ignition is switched on, the switching states of the differential
locks and the separate steering are compared.
The state last saved is retrieved.
The corresponding symbols (3) are shown and
the electronics system triggers the switching
operations.
The displays (1) and (2) show the current
switching states.
If the display (3) does not show the symbol
that corresponds to the switching process,
you must actuate the steering, or drive slowly
forwards and backwards, so that the locking
processes are performed mechanically.
S
Risk of accidents due to faulty lamps!
The lamps that are used to provide warnings and information during oper-
ation light up for control purposes whenever the ignition is switched on.
Always perform the following lamp tests and immediately replace faulty
lamps or have them replaced!
In this way, you will avoid accidents and damage that occur when malfunc-
tions are not identified in time.
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