User Manual
Table Of Contents
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
Service Training
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
35
Crop_this_page
8.3.50 B031 - Sensor, right draught sens-
ing pin
Draught sensing pin is over-
loaded by stress on the lifting
gear in the upper range (90-
100% lift height) due to the
setting being too narrow.
Fault code will not be
stored
Wiring diagram
Sheet 25
REAR EPC
DRAUGHT SENSING PIN
8.3.51 B032 - Sensor, left draught sensing
pin
Draught sensing pin is over-
loaded by stress on the lifting
gear in the upper range (90-
100% lift height) due to the
setting being too narrow.
Fault code will not be
stored
Wiring diagram
Sheet 25
REAR EPC
DRAUGHT SENSING PIN
9.1.50 Y019 - Auxiliary control valve No signal from valve via bus
line.
No valve operation
available
Wiring diagram
Sheet 28
FRONT POWER LIFT/VENDI
9.1.51 Y019 - Auxiliary control valve EEPROM inconsistent Valve moves into neu-
tral position
FRONT POWER LIFT/VENDI
9.1.52 Y019 - Auxiliary control valve Supply voltage < 8 V Valve moves into neu-
tral position
FRONT POWER LIFT/VENDI
9.1.53 Y019 - Auxiliary control valve Supply voltage > 18 V Valve moves into neu-
tral position
FRONT POWER LIFT/VENDI
9.1.54 Y019 - Auxiliary control valve Main piston travel too short
due to drop of control pres-
sure below 22 bar
Valve moves into neu-
tral position
Check control pres-
sure M5, check dia-
phragm
accumulator, check
RV7/FP
FRONT POWER LIFT/VENDI
Hydraulic oil temperature too
low
9.1.55 Y019 - Auxiliary control valve Overvoltage (> 45 V) Valve moves into neu-
tral position
9.1.56 Y019 - Auxiliary control valve Output fault at control valve
magnet
Valve moves into neu-
tral position
FRONT POWER LIFT/VENDI
9.1.57 Y019 - Auxiliary control valve Internal position sensor fault Valve moves into neu-
tral position
FRONT POWER LIFT/VENDI
Fault
code
DIN brief description Cause Consequences Reference FENDIAS / Note