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Check the position of the debug switch:
a so-called debug switch is required for development and function tests after production.
This switch must be in the “off” position
so that the KarL4 does not need unnecessary
power. The yellow LED must not light up.
Incorrect switch position: Switch on right, yellow LED lights up:
Yellow
LED
Debug
switch
Correct switch position: Switch on left, yellow LED does not light up:
Figure 14
–
Incorrect switch position
Figure 15
–
Enlarged view of the incorrect switch position
Figure 16
–
Correct switch position
