FENDT varioguide, Operator'S Manual, Page: 145 / 158

8.1 Fault diagnostics
8.1.1 Problems and possible remedial action
Fault Possible cause: Indication Remedy
The following appears:
Automatic way-line
guidance is not
possible or has been
terminated.
The steering wheel has
been turned by the
operator.
Electrohydraulic steering
(EHL) has not been pre-
activated.
Press button (K) on multi-
function armrest (MFA).
Road speed is not
between
0.1 km/h and 25 km/h.
Adjust the road speed.
No valid way-line has
been created.
No lines are displayed in
map view on the
terminal.
Create new way-line.
GNSS positioning is not
accurate enough.
The signal strength
display shows fewer
than three bars.
Drive away from the
shadowing and do not
start way-line guidance
until at least three bars
are displayed.
The automatic steering
system was switched on
when the tractor was too
far from the required
way-line.
The distance from the
required way line is
greater than 10 m.
Drive the tractor closer
to the required way-line
before activating way-
line guidance.
The automatic steering
was switched on with
too great a deviation
from the required travel
direction.
The approach angle to
the required way-line is
greater than 75°.
Decrease the approach
angle to the required
way-line.
The steering angle
sensor is supplying a
faulty signal.
Fault codes in instrument
panel.
Calibrate steering angle
sensor (2401), see
chapter 6.1.1 Calibrate
steering angle sensor
and steering valve, page
55
The automatic steering
system is engaged but
automatic way-line
guidance does not
drive straight along the
way-line.
The steering angle
sensor has mechanical or
electrical tolerances.
Calibrate steering angle
sensor (2401), see
chapter 6.1.1 Calibrate
steering angle sensor
and steering valve, page
55
Contact your FENDT
dealer.
8. Faults and remedy
VarioGuide 145
438.020.070.012