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
42
Crop_this_page
A.1.39 Y017 - Auxiliary control valve Main piston cannot return to
neutral position when
switched on due to oil con-
tamination.
ELECTRICAL VALVES VALVE
3/VENDI
A.1.3A Y017 - Auxiliary control valve Main piston deflected too far Valve moves into neu-
tral position
ELECTRICAL VALVES VALVE
3/VENDI
A.1.3B Y017 - Auxiliary control valve Floating position is not
reached
Valve moves into neu-
tral position
ELECTRICAL VALVES VALVE
3/VENDI
A.1.3C Y017 - Auxiliary control valve Floating position has been de-
flected manually
without result ELECTRICAL VALVES VALVE
3/VENDI
A.1.3F Y017 - Auxiliary control valve Specified value message is
missing or not plausible
Valve moves into neu-
tral position
ELECTRICAL VALVES VALVE
3/VENDI
Configuration message is
missing or not plausible
Potentiometer or PWM fault
A.1.40 Y018 - Auxiliary control valve No signal from valve to valve
bus
No valve operation
available
Wiring diagram
Sheet 28
A.1.41 Y018 - Auxiliary control valve EEPROM inconsistent Valve moves into neu-
tral position
A.1.42 Y018 - Auxiliary control valve Valve moves into neu-
tral position
A.1.43 Y018 - Auxiliary control valve Supply voltage > 18 V Valve moves into neu-
tral position
A.1.44 Y018 - 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
ELECTRICAL VALVES VALVE
4/VENDI
Fault
code
DIN brief description Cause Consequences Reference FENDIAS / Note