37
Operation
Key switch
(Fig. 18/1)
It serves to switch the
electrical installations on
and off and to secure the
vehicle against unauthor-
ized use.
When the key switch is switched on
(lock position 1), the following appear in
the operating hour counter display (left-
hand operating panel, refer to Para-
graph "Operating hours counter" in par-
agraph 3.2.2):
1 Software version
Displayed for approx. 1 second.
Example:
2 Error code
Indicates the last fault which
occurred, displayed for approx. 2
seconds.
The display serves as information
for the service technician so that the
fault can be cleared quickly. For an
overview of the error codes, refer to
Section 3.5.1.
Example:
When a functional fault actually
occurs, an acoustic signal is
also issued and the red control
lamp on the alarm indicator
(Fig. 17/4) lights up.
3 Operating hour indicator
Continual display.
Example:
During operation, the dots flash in
the display.
4 Control digits (optional)
In the case of brand new vehicles, it
is possible that after switching on
the key switch, the following display
also appears:
The control digits are for internal
control purposes. The display
changes to zero operating hours
after one hour at the latest. The
Hakomatic B 1050 W is ready for
use while this display appears. The
alarm indicator is activated.
Horn
(Fig. 18/2)
An acoustic warning sig-
nal is issued on actuating
the horn knob.