User Manual

FENDT 400 Vario COM III, FENDT 700 Vario COM III, FENDT 800 Vario COM III Faults
B
OVERALL SYSTEM/TRACTOR
Fault code table COM III
400 .. 1001- 724 .. 1001- 731 .. 1001- 401 .. 1001- 725 .. 1001- 402 .. 1001- 726 .. 1001- 403 .. 1001- 727 .. 1001- 404 .. 1001- 729 .. 1001-
0000 B T000434
Version 1
20/09/2007
46
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A.1.67 Y087 - Steering valve block, Au-
toguide
Steering valve monitoring er-
ror message
A.1.68 Y087 - Steering valve block, Au-
toguide
Steering valve status mes-
sage not received within the
specified time
CAN bus fault in the
transmission bus
Wiring diagram
Sheet 39
A.1.69 Y087 - Steering valve block, Au-
toguide
Supply voltage > 32 V Wiring diagram
Sheet 39
A.1.6A Y087 - Steering valve block, Au-
toguide
Supply voltage < 10 V Wiring diagram
Sheet 39
A.1.6B Y087 - Steering valve block, Au-
toguide
Steering actuator cannot
reach neutral
(during operation)
Mechanical fault on
steering actuator or
position sensor
A.1.6C Y087 - Steering valve block, Au-
toguide
Actuator not in neutral during
"RUNUP"
(same at switch on)
Mechanical fault on
steering actuator or
position sensor
A.1.6D Y087 - Steering valve block, Au-
toguide
Actuator position greater than
reference position
Mechanical fault on
steering actuator or
position sensor
A.1.70 B094 - Sensor, steering angle (4WD
differential lock)
Break in steering sensor sig-
nal line
Check signal line Wiring diagram
Sheet 33 / 39
A.1.71 A057 - ECU, steering controller
(Autoguide)Y087 - Steering valve
block, Autoguide
Break in the steering valve
electrical supply line
Check the steering
valve electrical supply
line
Wiring diagram
Sheet 38 / 39
A.1.72 Y099 - Solenoid valve, pilot pres-
sure (Autoguide)
Break in the electrical supply
line to the pilot pressure sole-
noid valve
Wiring diagram
Sheet 39
A.1.74 S088 - Switch, Autoguide pressure Break in the pressure switch
signal line
Wiring diagram
Sheet 39
A.1.80 B094 - Sensor, steering angle (4WD
differential lock)
Short circuit in steering angle
sensor supply
Wiring diagram
Sheet 33 / 39
Fault
code
DIN brief description Cause Consequences Reference FENDIAS / Note