Fendt Farmer 400, Favorit 700, Favorit 900, 700 Vario, 800 Vario User Manual

Service Training

Vario tractors - fault code tables

Edition

09/2007

Service-Training
Dokumentation

X990.005.448.012 - Englisch

PSD - 3289 G - en

AGCO GmbH

Johann-Georg-Fendt-Str. 4 D-87616 Marktoberdorf

Farmer 400
Favorit 700
Favorit 900

FENDT 700 Vario
FENDT 800 Vario
FENDT 900 Vario

FENDT 300 Vario (COM III)
FENDT 400 Vario (COM III)
FENDT 700 Vario (COM III)
FENDT 800 Vario (COM III)
FENDT 900 Vario (COM III)

All relevant accident prevention regulations and all generally accepted safety, health and
road traffic regulations must be strictly observed. The manufacturer does not accept liability
for damage resulting from unauthorised modifications.

AGCO GmbH
87616 Marktoberdorf
Tel.: [phone] - 0 Fax: [phone]

FENDT 409

Vario 409 .. / 1001-
FENDT 410
FENDT 411
FENDT 412

FENDT 711
FENDT 712
FENDT 714
FENDT 716

FENDT 815
FENDT 817
FENDT 818

FENDT 916

Vario 410 .. / 1001-

Vario 411 .. / 1001-

Vario 412 .. / 1001-

Vario 711 .. / 1001-

Vario 712 .. / 1001-

Vario 714 .. / 1001-

Vario 716 .. / 1001-

Vario 715 .. / 1001-

Vario 717 .. / 1001-

Vario 718 .. / 1001-

Vario 916 .. / 1001-

FENDT Vario (COM I / COM II)

FENDT 920
FENDT 924
FENDT 926
FENDT 930

Vario 920 .. / 1001-

Vario 924 .. / 1001-

Vario 926 .. / 1001-

Vario 930 .. / 1001-

Fault code table

Fault code table
Tableau de codes défauts

Tableau de codes défauts
Tabella codici disturbi

Tabella codici disturbi
Tabla códiga averías

Tabla códiga averías
Storingscodetabel

StörcodetabelleStörcodetabelle

Storingscodetabel

410 .. 1001- / 411 .. 1001- / 412 .. 1001- * 711 .. 1001- / 712 .. 1001- / 714 .. 1001- / 716 .. 1001-

.. 1001- / 717 .. 1001- / 718 .. 1001- * 916 .. 1001- / 920 .. 1001- / 924 .. 1001- / 926 .. 1001- / 930 .. 1001-

409 .. 1001- /

715

all Vario tractors

Tractor / General system

Vario Tractors - Fault Codes

B

Faults

12/1999

0000 000001

B

f

1/58

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Index

Date Version

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Vario Tractors - Fault Codes

FCT_InitPage

Fault
code

Id code Brief description Description Consequences Link FENDIAS / Note

0.0.11 A021;
A022

ECU, EDC;
ECU, EMR

EDC / EMR bus fault.
Fault in ECU

Tractor can be driven
using accelerator.

Programming errors in
ECU.

Fault message, no
restrictions.

EOL reprogramming
necessary.

0.0.12 A008 Vario terminal Bus fault No functions available,

no display

Power supply for CAN
bus is in circuit board
A013; fuse F039, F046

0.0.13 A004 Control console Bus fault No functions available,

no display

Power supply for CAN
bus is in circuit board
A013; fuse F040, F041

0.0.14 A009 Transmission control

unit

Bus fault No functions available,

no display

Power supply for CAN
bus is in circuit board
A013; fuse F040, F041

0.0.15 A001,
A002

4WD engagement;
Diff. lock engagement

Bus fault No functions available,

no display

Power supply for CAN
bus is in circuit board
A013; fuses F040, F041

0.0.16 A001,
A002

Rear PTO Bus fault No functions available,

no display

Power supply for CAN
bus is in circuit board
A013; fuses F040, F041

0.0.17 A001,
A002

Front PTO Bus fault No functions available,

no display

Power supply for CAN
bus is in circuit board
A013; fuses F040, F041

0.0.18 A005,
A014

Rear EPC Bus fault No functions available,

no display

Power supply for CAN
bus is in circuit board
A013; fuses F040, F041

0.0.19 A002 Front power lift Bus fault No functions available,

no display

See Service Training
EPC C
(X990.005.023.026en)

all Vario tractors

Tractor / General system

Vario Tractors - Fault Codes

B

Faults

12/1999

0000 000001

B

f

2/58

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Vario Tractors - Fault Codes

0.0.1A A002,
Y015,
Y016,
Y017,
Y018,
Y019

ECU, enhanced control,
electric auxiliary control
valves

Bus fault No functions available,

no display

Power supply for CAN
bus is in circuit board
A013; fuses F040, F041

0.0.1B A002 ECU, enhanced control TeachIn bus faulty -

Master (Variotronic TI)
('Teach-in data transfer
fault')

Emergency mode

0.0.1E ECU, Neumaier Bus fault Neumaier

reversing system

Neumaier System
doesn't work

(Neumaier Service
Manual)

0.0.1F A034 Joystick Joystick bus fault ('Drive

switch data transfer
fault')

Emergency operation,
no auxiliary valve
operation

Power supply for CAN
bus is in circuit board
A013; fuse F047

JOYSTICK CAN ­JOYSTICK

0.0.20 A007 Instrument cluster CAN Bus fault between

A007 instrument cluster
and tractor electronics

No functions available,
no display

Power supply for CAN
bus is in circuit board
A013; fuses F040, F041

0.1.50 A007 Instrument cluster VDO instrument cluster

EEPROM not
programmed

Malfunctions in
instrument cluster

EOL reprogramming
necessary

0.1.51 B012 Engine oil pressure

sensor

Sensor fault, wiring fault No monitoring 'Instrument cluster'

circuit diagram

12 V supply fault A013 fuse 24

0.1.54 B019 Compressed air tank

pressure sensor

Sensor fault, wiring fault No display 'Instrument cluster'

circuit diagram

12 V supply fault A013 fuse 25

0.1.55 S036 Hydraulic oil level

sensor

Sensor fault, wiring fault No monitoring 'Spool valves 1' circuit

diagram

0.1.56 B005,
A021,
A022

Temperature sensor
engine temp. (=water),
(ECU,EDC / EMR)

Sensor fault, wiring fault No monitoring 'Instrument cluster'

circuit diagram

Fault
code

Id code Brief description Description Consequences Link FENDIAS / Note

all Vario tractors

Tractor / General system

Vario Tractors - Fault Codes

B

Faults

12/1999

0000 000001

B

f

3/58

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Vario Tractors - Fault Codes

0.1.57 B006,
A022

Sensor, charge air
temperature,
ECU, EMR

Sensor fault, wiring fault No monitoring Circuit diagram:

"Instrument cluster"
(F400, F700); "EDC
control" (F900); "EMR
engine control (F7/800
Vario)

For EDC/EMR EDC ­level converter /
SERDIA diagnostics

0.1.59 B007;
B034

Fuel level sensor Sensor fault, wiring fault No display 'Instrument cluster'

circuit diagram

1.1.01,

poss.

B038
or
B055

EDC / EMR foot throttle
rotary position sensor
(yellow), combi-sensor

Signal too high, signal
too low, signal missing
for longer than 2000 ms

Chapter 2000 Reg.B
(EDC fault or EMR fault)

'EDC Engine control',
'EMR Engine control'
circuit diagram

TRANSMISSION,
AUTOMATIC MAXIMUM
OUTPUT CONTROL

1.1.03 B029,
B038
or
B055

EST foot throttle rotary
position sensor EST
(red), EDC foot throttle
rotary position sensor
(yellow), combi-sensor

B029 and B038 do not
match, no match B055 ­combi-sensor (PIN 3 to
PIN 6)

Restricted operating
mode, Chapter 2000
Reg.B (EDC fault or
EMR fault)

'EDC Engine control',
'EMR Engine control'
circuit diagram

TRANSMISSION,
AUTOMATIC MAXIMUM
OUTPUT CONTROL,
calibration code '4005'

1.1.04 A002 ECU, enhanced control Tractor Management

System (TMS)
checksum error

Tractor Management
System (TMS) doesn't
function

EOL reprogramming
necessary

1.1.05 A021;
A022

EDC control module Engine configuration

could not be read from
the EDC / EMR - control
unit

TMS is disengaged 'EDC Engine control',

'EMR Engine control'
circuit diagram

1.1.7E B035 Hand throttle rotary

position sensor

Signal out of range Restricted operating

mode, Chapter 2000
Reg.B (EDC fault or
EMR fault)

'EDC Engine control',
'EMR Engine control'
circuit diagram

TRANSMISSION,
AUTOMATIC MAXIMUM
OUTPUT CONTROL

8.5 V supply fault Fuse 26

1.1.7F A004 Control console Electrical fault in hand

throttle memory keys
(EDC/EMR). No
communication with
control console.

Last speed setting is
retained. Engine speed
can be changed using
hand throttle or
accelerator.

JOYSTICK, CAN­JOYSTICK

Fault
code

Id code Brief description Description Consequences Link FENDIAS / Note

all Vario tractors

Tractor / General system

Vario Tractors - Fault Codes

B

Faults

12/1999

0000 000001

B

f

4/58

Capitel Docu-No.Index

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Vario Tractors - Fault Codes

1.1.9E A002,
A004

ECU, enhanced control
Control console
(B035 - sensor, hand
throttle)

CAN connection
(enhanced control Bus);
A002 - ECU (enhanced
control) to A004 - ECU
(control console) faulty

Restricted operating
mode, Chapter 2000
Reg.B (EDC fault or
EMR fault)

'EDC Engine control',
'EMR Engine control'
circuit diagram

JOYSTICK, CAN­JOYSTICK

1.1.9F A034 Drive switch

(memory buttons)

A034 - Drive switch
(memory buttons) faulty
/ CAN connection
(enhanced control BUS):
A002 ECU (enhanced
control) to A034 - Drive
switch faulty

Restricted operating
mode, Chapter 2000
Reg.B (EDC fault or
EMR fault)

'EDC Engine control',
'EMR Engine control',
'Transmission Bus',
'Enhanced control Bus'
circuit diagram

JOYSTICK, CAN­JOYSTICK

1.1.A0 A021 EDC control module EDC control module

(A021) cannot be
identified, EOL
programming error

Torque is limited
according to fault
grading. Chapter 2000
Reg.B (EDC fault or
EMR fault)

'EDC Engine control',
'EMR Engine control'
circuit diagram

EDC - level converter or
Serdia diagnostics

1.1.A1 A002,
A021,
A022

ECU (enhanced
control),
EDC engine control
module,
EMR engine control
module

CAN enhanced control
module (A002) - Engine
control module
(A021/A022) connection
fault

Chapter 2000 Reg.B
(EDC fault or EMR fault)

"Transmission Bus"
circuit diagram

EDC - level converter or
Serdia diagnostics

1.1.B0 CAN-bus

communication
restricted

EOL reprogramming
necessary.

1.1.E0 A002,
B035

A002 - ECU (enhanced
control) ;
Sensor hand throttle
EDC / EMR

EEPROM checksum is
wrong

Restricted operating
mode, Chapter 2000
Reg.B (EDC fault or
EMR fault)

'EDC Engine control',
'EMR Engine control'
circuit diagram

New end-of-line
programming required
or load new data record

Fault
code

Id code Brief description Description Consequences Link FENDIAS / Note

all Vario tractors

Tractor / General system

Vario Tractors - Fault Codes

B

Faults

12/1999

0000 000001

B

f

5/58

Capitel Docu-No.

Index

Date Version

Page

Vario Tractors - Fault Codes

1.2.01 B041 Sensor, EMR (camshaft) Signal error, gap to
camshaft sprocket too
wide, cable connection
broken

B042 - EMR sensor
(crankshaft) takes over
rpm control, no effect on
tractor driving mode.

Note: If both sensors
fail (B041, B042), the
diesel engine dies

see also Chapter 2000
Reg. B - EMR
troubleshooting plan

SERDIA diagnostics

1.2.02 B042 Sensor, EMR

(crankshaft)

Signal error, gap to
flywheel too wide, cable
connection broken

B041 - EMR sensor
(camshaft ) takes over
rpm control, no effect on
tractor driving mode.

Note: If both sensors
fail (B041, B042), the
diesel engine dies

see also Chapter 2000
Reg. B - EMR
troubleshooting plan

SERDIA diagnostics

1.2.04 B041,

B042

Sensor, EMR camshaft /
crankshaft

Overspeed shutoff Engine stop; tractor in

'Push' mode, check
B041/B042 wiring,
Y035 - check EMR
actuator

see also Chapter 2000
Reg. B - EMR
troubleshooting plan

SERDIA diagnostics

1.2.05 B038

or
B055

Sensor, foot throttle
EMR;combi-sensor

Signal too high / signal
too low

Error message, no effect
on tractor driving mode.

see also Chapter 2000
Reg. B - EMR
troubleshooting plan

TRANSMISSION,
AUTOMATIC MAXIMUM
OUTPUT CONTROL
SERDIA diagnostics
calibration code "4005"

1.2.07 B053 Sensor, charge air

temperature / boost
pressure (EMR)

Boost pressure signal
error. Signal out of range

The A022 - ECU, EMR
uses a substitute value
to calculate the quantity
injected, or reduced
output of the tractor.
Check the sensor cable
connection, replace the
sensor

see also Chapter 2000
Reg. B - EMR
troubleshooting plan

SERDIA diagnostics

Fault
code

Id code Brief description Description Consequences Link FENDIAS / Note

all Vario tractors

Tractor / General system

Vario Tractors - Fault Codes

B

Faults

12/1999

0000 000001

B

f

6/58

Capitel Docu-No.Index

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Vario Tractors - Fault Codes

1.2.09 B048 Sensor, water
temperature (EMR)

Signal out of range if necessary, reduce

output, stop engine,
check sensor cable
connection, replace
sensor

see also Chapter 2000
Reg. B - EMR
troubleshooting plan

SERDIA diagnostics

1.2.10 B053 Sensor, charge air
temperature / boost
pressure (EMR)

Charge air temperature
signal error, signal too
high, signal too low

The A022 - ECU, EMR
uses a substitute value
to calculate the quantity
injected, or reduced
output of the tractor.
Check the sensor cable
connection, replace the
sensor

see also Chapter 2000
Reg. B - EMR
troubleshooting plan

SERDIA diagnostics

1.2.13 G001,

G003,
G001,
A021

Battery 1,
battery 2,
alternator, engine
control module (EDC)

Fault in EDC control
module power supply

No engine
powerChapter 2000
Reg.B (EDC fault)

"Power supply" circuit
diagram

1.2.17 Engine speed too high
(EDC)

Poor driving (e.g. driving
downhill)

Chapter 2000 Reg.B
(EDC fault)

1.2.18 A020 Pump control unit
(injection pump) (EDC)
needle movement
sensor

Injection start system
deviation

Reduced power,
Chapter 2000 Reg.B
(EDC fault)

Check fuel supply,
primary pressure,
interior pressure of
pump

EDC level converter

1.2.1A B026 Needle movement
sensor NBF (EDC)

Signal fault Chapter 2000 Reg.B

(EDC fault)

'EDC control' circuit
diagram

EDC level converter

1.2.1F A021 Engine control unit
(EDC)

CAN message: fault
between engine control
module and connected
electrical system

Chapter 2000 Reg.B
(EDC fault)

'EDC control module',
'transmission bus' circuit
diagram

1.2.21 A002 Enhanced control
module, transmission
bus (EDC)

Fendt ECU not
connected or CAN
connection to
transmission bus
interrupted.

Chapter 2000 Reg.B
(EDC fault) Chapter
9000 Reg.E (Can Bus)

'EDC control module',
'transmission bus',
'enhanced control bus'
circuit diagrams

Fault
code

Id code Brief description Description Consequences Link FENDIAS / Note

all Vario tractors

Tractor / General system

Vario Tractors - Fault Codes

B

Faults

12/1999

0000 000001

B

f

7/58

Capitel Docu-No.

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Vario Tractors - Fault Codes

1.2.23 A002 Enhanced control
module (EDC)

CAN communication
fault between enhanced
control module (A002)
and EDC

Chapter 2000 Reg.B
(EDC fault) Chapter
9000 Reg.E (Can Bus)

'Transmission bus',
'EDC engine control'
circuit diagram

1.2.25 K020 Ub30 EDC relay Contact does not open,

ground contact

Battery can discharge,
Chapter 2000 Reg.B
(EDC fault)

'EDC control' circuit
diagram

1.2.2A A002,

A021

Enhanced control
module,
EDC control module,
transmission bus,
enhanced control bus
(EDC)

CAN message fault from
enhanced control
module (A002) to EDC
control module (A021),
'Engine brake function'

Engine brake
non-operational,
Chapter 2000 Reg.B
(EDC fault)

'EDC engine control',
'transmission bus',
'engine brake' circuit
diagrams

TRANSMISSION
CRUISE CONTROL

1.2.2B A002,

A021

Enhanced control
module,
EDC control module,
transmission bus,
enhanced control bus
(EDC)

CAN message fault from
enhanced control
module (A002) to EDC
control module (A021),
'Engine brake function'

Engine brake
non-operational,
Chapter 2000 Reg.B
(EDC fault)

'EDC engine control',
'transmission bus',
'engine brake' circuit
diagrams

TRANSMISSION
CRUISE CONTROL

1.2.2C A002,

A021

Enhanced control
module,
EDC control module,
transmission bus,
enhanced control bus
(EDC)

CAN message fault from
enhanced control
module (A002) to EDC
control module (A021),
'Engine brake function'

Engine brake
non-operational,
Chapter 2000 Reg.B
(EDC fault)

'EDC engine control',
'transmission bus',
'engine brake' circuit
diagrams

TRANSMISSION
CRUISE CONTROL

1.2.2D A002,

A021

Enhanced control
module,
engine control module,
transmission bus (EDC)

CAN signal fault from
enhanced control
module (A002) to EDC
control module (A021)

Chapter 2000 Reg.B
(EDC fault), Chapter
9000 Reg.E (Can Bus)

'EDC engine control',
'transmission bus' circuit
diagram

1.2.2E A002,

A021

Enhanced control
module,
engine control module,
transmission bus (EDC)

CAN signal fault from
enhanced control
module (A002) to EDC
control module (A021)

Chapter 9000 Reg.E
(Can Bus)

'EDC engine control',
'transmission bus' circuit
diagram

Fault
code

Id code Brief description Description Consequences Link FENDIAS / Note

all Vario tractors

Tractor / General system

Vario Tractors - Fault Codes

B

Faults

12/1999

0000 000001

B

f

8/58

Capitel Docu-No.Index

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Vario Tractors - Fault Codes

1.2.31 A022,
B048

ECU, EMR2 ;
Sensor, water
temperature

Coolant temperature
warning threshold
exceeded

After a delay period (and
coolant temperature
remains too high),
reduce engine output -­clean the radiator , check
coolant level, check
B048 sensor

see also Chapter 2000
Reg. B - EMR
troubleshooting plan

SERDIA diagnostics

1.2.32 A022,
B053

ECU, EMR2 ;
Sensor, charge air
temperature / boost
pressure

Charge air temperature
warning threshold
exceeded

After a delay (and if the
charge air temperature
remains too high),
engine power is reduced
Clean radiator , test B053

- Sensor

see also Chapter 2000
Reg. B - EMR
troubleshooting plan

SERDIA diagnostics

1.2.35 A022,
B041,
B042

ECU, EMR2 ;
Sensor, EMR (camshaft)
Sensor, EMR
(crankshaft)

Engine speed too high
(for example in 'push'
operation)

The control rod is
brought to zero delivery
position. When speed
falls below the recovery
threshold, control
passes back to the A022

- ECU

see also Chapter 2000
Reg. B - EMR
troubleshooting plan

SERDIA diagnostics

1.2.38 A021 Engine control module

(EDC)

Fault in operation of
EDC control module,
'Engine stop'

Reduced power,
Chapter 2000 Reg.B
(EDC fault)

"EDC engine control",
"power supply" circuit
diagram

EDC level converter

1.2.41 A022 ;
B048

ECU, EMR2 ;
Sensor, water
temperature

Coolant temperature
has gone over shutoff
threshold

Clean radiator, check
coolant lever, test
sensor

also refer to Chapter
2000 Reg. B - EMR
troubleshooting,
Chapter 9000 Reg. E

SERDIA diagnostics

1.2.42

(DEU­TZ
EMR)

A022,
B053

ECU, EMR2 ;
Sensor, charge air
temperature / boost
pressure

Charge air temperature
has gone below shutoff
threshold

Clean radiator, test
sensor

see also Chapter 2000
Reg. B - EMR
troubleshooting plan

SERDIA diagnostics

1.2.42

(MAN
EDC)

A020 Pump control unit

(injection pump) (EDC)

Injection pump (pump
control unit), fuel
temperature too high
(overheating)

Chapter 2000 Reg.B
(EDC fault)

'EDC control' circuit
diagram

EDC level converter

Fault
code

Id code Brief description Description Consequences Link FENDIAS / Note

all Vario tractors

Tractor / General system

Vario Tractors - Fault Codes

B

Faults

12/1999

0000 000001

B

f

9/58

Capitel Docu-No.

Index

Date Version

Page

Vario Tractors - Fault Codes

1.2.46 Bus
system

Enhanced control bus,
transmission bus, EDC
bus

CAN-bus message fault restricted driving mode,

Chapter 2000 Reg.B
(EDC fault), Chapter
9000 Reg.E (Can Bus)

"EDC engine control",
"transmission bus",
"enhanced control bus"
circuit diagrams

1.2.50 A022,
Y035

ECU EMR2, EMR
actuator ('Rotary
magnet and position
sensor')

Feedback fault from
position sensor

Emergency shutoff,
engine does not start

check actuator (SERDIA
diagnostics), check
wiring from actuator

see also Chapter 2000
Reg. B - EMR
troubleshooting plan

SERDIA diagnostics

1.2.52 A022,
Y035

ECU EMR2, EMR
actuator ('Rotary
magnet and position
sensor')

Feedback fault from
position sensor
(reference coil)

Emergency shutoff,
engine does not start,

check actuator, check
wiring from actuator,
check A022 - ECU EMR

see also Chapter 2000
Reg. B - EMR
troubleshooting plan

SERDIA diagnostics

1.2.53 A022,
Y035

ECU EMR2, EMR
actuator ('Rotary
magnet and position
sensor')

Difference between
target control travel
(ECU EMR2) andactual
control travel (actuator)
greater than 10%

Error message
(disappears when
difference is less than
10%), check actuator,
check whether control
rod functions smoothly

see also Chapter 2000
Reg. B - EMR
troubleshooting plan

SERDIA diagnostics

1.2.67 A022 ECU, EDC ECU EMR internal error

(ERROR Hand Step 1)

Check ECU EMR2, if
necessary load a new
data record (important:
save old data record!!), if
necessary replace ECU
EMR2

see also Chapter 2000
Reg. B - EMR
troubleshooting plan

1.2.68 A022 ECU, EDC ECU EMR internal error

(ERROR CAN Step 1)

Check ECU EMR2, if
necessary load a new
data record (important:
save old data record!!), if
necessary replace ECU
EMR2

see also Chapter 2000
Reg. B - EMR
troubleshooting plan

Fault
code

Id code Brief description Description Consequences Link FENDIAS / Note

all Vario tractors

Tractor / General system

Vario Tractors - Fault Codes

B

Faults

12/1999

0000 000001

B

f

10/58

Capitel Docu-No.Index

Date Version

Page

Vario Tractors - Fault Codes

1.2.70 A022 ECU, EDC CAN Bus controller fault possible reduced engine
running characteristics

--- check transmission
bus terminating resistors
(A013 - circuit board,
A009 - actuator unit),
check ECU EMR2

also refer to Chapter
2000 Reg.B (EMR
Troubleshooting),
Chapter 9000 Reg.E
(Can Bus)

1.2.71 A022,

X810

ECU, EMR2 ;
diagnostics socket

CAN interface fault possible reduced engine

running characteristics

--- check transmission
bus terminating resistors
(A013 - circuit board,
A009 - actuator unit),
check ECU EMR2

see also Chapter 2000
Reg. B - EMR
troubleshooting plan

SERDIA diagnostics

1.2.74 A022;

A002

CAN bus, wiring (EMR) Cable broken, short

circuit or serious CAN
bus fault; CAN bus
passive

Running of engine may
be reduced

see also Chapter 2000
Reg. B - EMR
troubleshooting plan

'Transmission Bus'
circuit diagram

1.2.76 A022 ECU EMR2 Parameter settings

incorrect

Emergency, engine
does not start ---

Switch ignition OFF then
ON, check again, if error
reappears --> replace
ECU EMR2

see also Chapter 2000
Reg. B - EMR
troubleshooting plan

load new data record

1.2.77 A022 ECU EMR2 continuous monitoring of

program memory
delivers an error

Emergency, engine
does not start ---

Switch ignition OFF then
ON, check again, if error
reappears --> replace
ECU EMR2

see also Chapter 2000
Reg. B - EMR
troubleshooting plan

Fault
code

Id code Brief description Description Consequences Link FENDIAS / Note

all Vario tractors

Tractor / General system

Vario Tractors - Fault Codes

B

Faults

12/1999

0000 000001

B

f

11/58

Capitel Docu-No.

Index

Date Version

Page

Vario Tractors - Fault Codes

1.2.78 A022 ECU EMR2 continuous monitoring of
program memory
delivers an error

Emergency, engine
does not start ---

Switch ignition OFF then
ON, check again, if error
reappears --> replace
ECU EMR2

see also Chapter 2000
Reg. B - EMR
troubleshooting plan

1.2.80 A022,

Y035

ECU EMR2,
EMR actuator

Voltage supply to EMR
actuator out of allowed
range

Error message
(disappears again when
the current is in the
normal range), turn
ignition OFF and ON
again, recheck, if error
occurs again --> replace
ECU EMR2

also refer to
Chapter 2000 Reg. B ­EMR Troubleshooting,

checking cable
harness

SERDIA diagnostics

1.2.81 B038

or B
055

EDC foot throttle rotary
position sensor (yellow),
combi-sensor

Signal fault Chapter 2000 Reg.B

(EDC fault)

'EDC control' circuit
diagram

TRANSMISSION
AUTOMATIC MAXIMUM
OUTPUT CONTROL

1.2.82 A020 Pump control unit

(injection pump) (EDC)

Fault in high-pressure
solenoid valve actuation
time

Engine stalls, Chapter
2000 Reg.B (EDC fault)

'EDC control' circuit
diagram

EDC level converter

1.2.83 A022 ECU EMR2 Reference voltage 1 for
Y035 - actuator out of
allowed range

Error message
(disappears when
current is back in normal
range), substitute value
5 VDC, check voltage
supply to ECU EMR2,
switch ignition OFF then
ON, if error reappears

--> replace ECU EMR2

see also Chapter 2000
Reg. B - EMR
troubleshooting plan

SERDIA diagnostics

Fault
code

Id code Brief description Description Consequences Link FENDIAS / Note

all Vario tractors

Tractor / General system

Vario Tractors - Fault Codes

B

Faults

12/1999

0000 000001

B

f

12/58

Capitel Docu-No.Index

Date Version

Page

Vario Tractors - Fault Codes

1.2.84
(DEU­TZ
EMR)

A022 ECU EMR2 Reference voltage 2 for

Y035 - actuator out of
permissible range

Error message
(disappears when
current is back in normal
range), substitute value
5 VDC, check voltage
supply to ECU EMR2,
switch ignition OFF then
ON, if error reappears

--> replace ECU EMR2

see also Chapter 2000
Reg. B - EMR
troubleshooting plan

SERDIA diagnostics

1.2.84
(MAN
EDC)

B025 EDC speed sensor Signal fault Reduced power,

Chapter 2000 Reg.B
(EDC fault)

'EDC control' circuit
diagram

EDC level converter

1.2.85
(DEU­TZ
EMR)

A022 ECU EMR2 Reference voltage 4 for

Y035 - actuator out of
permissible range

Error message
(disappears when
current is back in normal
range), substitute value
5 VDC, check voltage
supply to ECU EMR2,
switch ignition OFF then
ON, if error reappears

--> replace ECU EMR2

see also Chapter 2000
Reg. B - EMR
troubleshooting plan

SERDIA diagnostics

1.2.85
(MAN
EDC)

B028 Boost pressure sensor

(EDC)

Signal fault Reduced power,

Chapter 2000 Reg.B
(EDC fault)

'EDC control' circuit
diagram

EDC level converter

1.2.86 A022 ECU EMR2 Temperature in ECU
EMR2 too high

Error message
(disappears when
temperature is back in
normal range), switch
ignition OFF then ON, if
error reappears -->
replace ECU EMR2

see also Chapter 2000
Reg. B - EMR
troubleshooting plan

SERDIA diagnostics

Fault
code

Id code Brief description Description Consequences Link FENDIAS / Note

all Vario tractors

Tractor / General system

Vario Tractors - Fault Codes

B

Faults

12/1999

0000 000001

B

f

13/58

Capitel Docu-No.

Index

Date Version

Page

Vario Tractors - Fault Codes

1.2.87
(DEU­TZ
EMR)

A022 ECU EMR2 Atmospheric pressure

sensor in ECU EMR2
faulty

Error message
(disappears when
pressure is back in
normal range), switch
ignition OFF then ON, if
error reappears -->
replace ECU EMR2

see also Chapter 2000
Reg. B - EMR
troubleshooting plan

SERDIA diagnostics

1.2.87
(MAN
EDC)

B027 Water temperature

sensor (EDC)

Signal fault Reduced power,

Chapter 2000 Reg.B
(EDC fault)

'EDC control' circuit
diagram

EDC level converter

1.2.89 A020 Pump control unit
(injection pump)

Electronic volume
controller fault

Engine won't start,
Chapter 2000 Reg.B
(EDC fault)

'EDC control' circuit
diagram

1.2.90 A022 ECU EMR2 Incorrect parameter

(EEPROM reading, or
checksum error)

Engine does not start,
switch ignition OFF then
ON, if error reappears

--> replace ECU EMR2

see also Chapter 2000
Reg. B - EMR
troubleshooting plan

load new data record

1.2.91 B025 EDC speed sensor Signal fault Reduced power,

Chapter 2000 Reg.B
(EDC fault)

'EDC control' circuit
diagram

EDC level converter

1.2.92 A020

A021

Engine control module,
pump control unit
(injection pump) (EDC)

Engine stop via 'Injected
volume = 0' faulty, see
Chapter 2710 Reg. A
'Engine stop'

Reduced power,
Chapter 2000 Reg.B
(EDC fault)

'EDC control' circuit
diagram

1.2.93 A022 ECU EMR2 internal processing error

in ECU EMR2 (batch
overflow)

Emergency shutoff,
engine does not start,

switch ignition OFF then
ON, if error reappears

--> load new data record
in ECU EMR2
(important: save old data
record!!) if error
reappears --> replace
ECU EMR2

see also Chapter 2000
Reg. B - EMR
troubleshooting plan

SERDIA diagnostics

Fault
code

Id code Brief description Description Consequences Link FENDIAS / Note

all Vario tractors

Tractor / General system

Vario Tractors - Fault Codes

B

Faults

12/1999

0000 000001

B

f

14/58

Capitel Docu-No.Index

Date Version

Page

Vario Tractors - Fault Codes

1.2.94 A022 ECU EMR2 internal processing error
in ECU EMR2

Emergency shutoff,
engine does not start,

switch ignition OFF then
ON, if error reappears

--> load new data record
in ECU EMR2
(important: save old data
record!!) if error
reappears --> replace
ECU EMR2

see also Chapter 2000
Reg. B - EMR
troubleshooting plan

SERDIA diagnostics

1.2.96 A021 Engine control module

monitoring unit (EDC)

Fault in EDC control
module monitoring unit
(A021)

Engine stalls, Chapter
2000 Reg.B (EDC fault)

'EDC control' circuit
diagram

1.2.99 A020

A021

Engine control module
and pump control unit
(injection pump) (EDC)

Engine stop via power
monitor within EDC
control module, Chapter
2710 Reg.A 'Engine
Stop'.

Reduced power,
Chapter 2000 Reg.B
(EDC fault)

'EDC control' circuit
diagram

1.2.9B A020,

A021

Engine control module,
pump control unit
(injection pump) (EDC)

Engine stop via engine
stop solenoid valve,
Chapter 2710 Reg.A
Engine Stop

Reduced power,
Chapter 2000 Reg.B
(EDC fault)

'EDC control' circuit
diagram

1.2.A2 K021 Relay "solenoid valve

shut-off" (EDC)

Engine stop via relay
K021, Chapter 2710
Reg.A Engine Stop

Reduced power,
Chapter 2000 Reg.B
(EDC fault)

'EDC control' circuit
diagram

1.2.A6 A021,

A020

Engine control module,
pump control unit
(injection pump) (EDC)

Engine stop, fault in
signal processing in
EDC control module

Reduced power,
Chapter 2000 Reg.B
(EDC fault)

'EDC control' circuit
diagram

1.2.A8 A021 Engine control module

(EDC)

Fault in barometric
pressure sensor

Chapter 2000 Reg.B
(EDC fault)

EDC level converter

1.2.A9 A020 Pump control unit

(injection pump) (EDC)

Fault identified during
self-diagnostic test

Reduced power, engine
won't start, Chapter
2000 Reg.B (EDC fault)

Fault
code

Id code Brief description Description Consequences Link FENDIAS / Note

all Vario tractors

Tractor / General system

Vario Tractors - Fault Codes

B

Faults

12/1999

0000 000001

B

f

15/58

Capitel Docu-No.

Index

Date Version

Page

Vario Tractors - Fault Codes

1.2.B1 A021,
A020

Engine control module,
pump control unit
(injection pump) (EDC)

EDC CAN message:
fault between EDC
control module and
pump control unit

Reduced power,
Chapter 2000 Reg.B
(EDC fault)

'EDC control' circuit
diagram

1.2.B2 A020 Pump control unit

(injection pump) (EDC)

Fault identified during
self-diagnostic test

Reduced power,
Chapter 2000 Reg.B
(EDC fault)

1.2.B3 A020 Pump control unit

(injection pump) (EDC)

Fault in pump control
unit power supply.
Chapter 2710 Reg.A
'Engine stop'.

Engine stalls, engine
won't start, Chapter
2000 Reg.B (EDC fault)

'EDC control' circuit
diagram

1.2.B4 A020
A021

Engine control module,
pump control unit
(injection pump) (EDC)

CAN message: fault
between pump control
unit and engine control
module

Engine idling, Chapter
2000 Reg.B (EDC fault)

'EDC control' circuit
diagram

1.2.B5 A020 Pump control unit

(injection pump) (EDC)

Fault during pump
control unit
self-diagnostic test
(EEPROM checksum)

Reduced power,
Chapter 2000 Reg.B
(EDC fault)

1.2.B6 A020 Pump control unit

(injection pump) (EDC)

Fault during pump
control unit
self-diagnostic test
(EEPROM status)

Reduced power,
Chapter 2000 Reg.B
(EDC fault)

1.2.B7 A020,
B025

Pump control unit
(injection pump), engine
speed sensor (EDC)

Fault in speed signal to
pump control unit, signal
processing fault in pump
control unit

Reduced power,
Chapter 2000 Reg.B
(EDC fault)

'EDC control' circuit
diagram

EDC level converter

1.2.B9 A020 Pump control unit

(injection pump) (EDC)

Fault during injection
pump self-diagnostic
test (RAM fault)

Engine stops. Chapter
2000 Reg.B (EDC fault)

Fault
code

Id code Brief description Description Consequences Link FENDIAS / Note

all Vario tractors

Tractor / General system

Vario Tractors - Fault Codes

B

Faults

12/1999

0000 000001

B

f

16/58

Capitel Docu-No.Index

Date Version

Page

Vario Tractors - Fault Codes

1.2.C1 A020 Pump control unit
(injection pump) (EDC)

Fault during pump
control unit
self-diagnostic test
(solenoid valve output
stage)

Chapter 2000 Reg.B
(EDC fault)

Fault only when
starting - check

batteries

Fault during operation

-check primary pressure
and interior pressure of
pump

1.2.C3 A021,

A020

Engine control module,
pump control unit
(injection pump) (EDC)

CAN message: fault
between engine control
module and pump
control unit when engine
starts

Engine idling (720 rpm),
Chapter 2000 Reg.B
(EDC fault)

'EDC control' circuit
diagram

1.2.C4 A020 Pump control unit
(injection pump) (EDC)

Fault in CAN
communication to pump
control unit

Engine idling (720 rpm),
Chapter 2000 Reg.B
(EDC fault)

'EDC control' circuit
diagram

1.2.C5 A021,

A020

Engine control module,
pump control unit
(injection pump) (EDC)

Fault in engine stop via
engine stop solenoid
valve, Chapter 2710
Reg.A Engine Stop

Reduced power,
Chapter 2000 Reg.B
(EDC fault)

'EDC control' circuit
diagram

1.2.C7 A020 Pump control unit
(injection pump) (EDC)

Pump speed sensor
fault (IWZ signal)

Engine stops. Chapter
2000 Reg.B (EDC fault)

Fault only when
starting - check

batteries

1.2.C8 A021,

B026,
B028

EDC CAN BUS,
engine control module,
needle movement
sensor, boost pressure
sensor (EDC)

Engine control module:
injection quantity
calculation inaccurate

Engine stalls, Chapter
2000 Reg.B (EDC fault)

'EDC control' circuit
diagram

EDC level converter

1.2.C9 A020 Pump control unit
(injection pump) (EDC)

Fault during pump
control unit
self-diagnostic test
(solenoid valve output
stage)

Chapter 2000 Reg.B
(EDC fault)

Fault only when
starting - check

batteries

1.2.CA A020 Pump control unit
(injection pump) (EDC)

Injection controller out of
range

Reduced power,
Chapter 2000 Reg.B
(EDC fault)

Check primary pressure
and interior pressure of
pump

Check EDC level
converter, needle
movement sensor

Fault
code

Id code Brief description Description Consequences Link FENDIAS / Note

all Vario tractors

Tractor / General system

Vario Tractors - Fault Codes

B

Faults

12/1999

0000 000001

B

f

17/58

Capitel Docu-No.

Index

Date Version

Page

Vario Tractors - Fault Codes

1.2.CB A021,
A020

Engine control module,
pump control unit
(injection pump) (EDC)

Fault in CAN
communication to pump
control unit

Engine idling,
Chapter 2000 Reg.B
(EDC fault)

'EDC control' circuit
diagram

1.2.CD A021,
A020

Engine control module,
pump control unit
(injection pump) (EDC)

Fault in propagation time
of CAN communication
between pump control
unit and EDC control
module

Reduced power,
Chapter 2000 Reg.B
(EDC fault)

1.2.DE A002,
A021

Enhanced control
module, engine control
module (EDC)

Propagation time of
CAN communication
missing

Restricted operating
mode, Chapter 2000
Reg.B (EDC fault)

1.2.E0 A021,
A002

Engine control module,
enhanced control
module (EDC)

Fault during CAN
communication between
EDC control module and
enhanced control
module

Chapter 2000 Reg.B
(EDC fault) Chapter
9000 Reg.E (Can Bus)

'EDC engine control',
'transmission bus' circuit
diagram

1.2.E1 Fault in speed signal

(B014 - sensor,
accumulator shaft, B015

- sensor - bevel pinion)
or PTO is driving engine
(running on)

Fault display,
Chapter 2000 Reg.B
(EDC fault)

2.1.E0 A002,
A034

ECU, enhanced control
Joystick

CAN communication
fault between ECU
enhanced control and
drive switch

Emergency operation -­check enhanced control
bus (Chapter 9000
Reg.E)

2.1.EE ISO/LBS implement Fault in LBS ECU Mounted implement can

no longer be operated
via joystick controls or
terminal.

2.1.EF ISO/LBS implement Limited operation of

implement, depending
on manufacturer

For fault description,
please see implement
manufacturer's literature

Fault
code

Id code Brief description Description Consequences Link FENDIAS / Note

all Vario tractors

Tractor / General system

Vario Tractors - Fault Codes

B

Faults

12/1999

0000 000001

B

f

18/58

Capitel Docu-No.Index

Date Version

Page

Vario Tractors - Fault Codes

3.1.01 A004 Control console Internal RAM, EEPROM
faults

Functions switched off: ­button panel, - digital /
analogue inputs, - LED
actuation

Fit new control console

3.1.02 A004 Control console Internal RAM, EEPROM
faults

Functions switched off: ­button panel, - digital /
analogue inputs, - LED
actuation

Fit new control console

3.1.03 A004 Control console Internal RAM, EEPROM
faults

Functions switched off: ­button panel, - digital /
analogue inputs, - LED
actuation

Fit new control console

3.1.04 A004 Control console Internal RAM, EEPROM
faults

Functions switched off: ­button panel, - digital /
analogue inputs, - LED
actuation

Fit new control console

3.1.05 A004 Control console Internal 8.5 V fault,
keypad fault

Functions switched off: ­button panel, - digital /
analogue inputs, - LED
actuation

Fit new control console

3.1.06 A004 Control console External 8.5 V fault Functions switched off: -

button panel, - digital /
analogue inputs, - LED
actuation

Fit new control console

4.1.01 A003,

A034

Acceleration ramp I-IV Signal fault Continuation in

emergency mode
possible

TRANSMISSION manu.
adjustment

8.5 V supply fault A013 fuse 5 Joystick

4.1.03 Neumaier reverse drive

facility clutch pedal
potentiometer

Signal fault Continuation in

emergency mode
possible

(Neumaier Service
Manual) calibration code
"4011"

8.5 V supply fault A013 fuse 9

Fault
code

Id code Brief description Description Consequences Link FENDIAS / Note

all Vario tractors

Tractor / General system

Vario Tractors - Fault Codes

B

Faults

12/1999

0000 000001

B

f

19/58

Capitel Docu-No.

Index

Date Version

Page

Vario Tractors - Fault Codes

4.1.04 B017 Clutch pedal rotary
position sensor

Signal fault Loss of enhanced

control / function in final
speed control; cruise
control does not
function, TMS is
switched off

'Transmission control'
circuit diagram

TRANSMISSION,
OPERATING RANGE

8.5 V supply fault A013 fuse 8

4.1.05 B039 High pressure sensor II
(push detection)

Signal fault Loss of enhanced

control functions during
drive operation ( no
'active parking function')

TRANSMISSION,
TURBOCLUTCH

12 V supply fault A013 fuse 2

4.1.06

(with
mech.
engin­e
contr­ol)

B018 Target engine speed

position sensor

Signal fault Continuation in

emergency mode
possible

'Transmission control'
circuit diagram

TRANSMISSION,
AUTOMATIC MAXIMUM
OUTPUT CONTROL

8.5 V supply fault A013 fuse 14

4.1.06

(for
EDC or
EMR)

B029
or
B055

EST foot throttle rotary
position sensor (red),
combi-sensor

Signal fault Restricted operation (no

hand throttle, no
memory keys)

'EDC control' circuit
diagram

TRANSMISSION,
AUTOMATIC MAXIMUM
OUTPUT CONTROL

8.5 V supply fault A013 fuse 17

4.1.07 B008 Transmission drive
pressure high-pressure
sensor

Signal fault Shifting from driving

mode 1 to 2 not
possible, TMS is
switched off

'Transmission control'
circuit diagram

TRANSMISSION,
TURBOCLUTCH

8.5 V supply fault A013 fuse 3

4.1.08 B016 Actual speed range
position sensor

Signal fault Not possible to change

between driving modes;
current driving mode is
maintained

'Transmission control'
circuit diagram

TRANSMISSION,
OPERATING RANGE

8.5 V supply fault A013 fuse 13

Fault
code

Id code Brief description Description Consequences Link FENDIAS / Note

all Vario tractors

Tractor / General system

Vario Tractors - Fault Codes

B

Faults

12/1999

0000 000001

B

f

20/58

Capitel Docu-No.Index

Date Version

Page

Vario Tractors - Fault Codes

4.1.20 A002,
A034

ECU, enhanced control
Joystick

Accelerator pedal
release pot. ('Slide
switch') not calibrated or
EEPROM checksum
error

Driving in accelerator
pedal mode not possible

JOYSTICK, CAN ­JOYSTICK calibration
code" 4010"

4.1.21 S045 'Reverse operation

sensor' solenoid switch

Signal fault TRANSMISSION,

FUNCTION OVERVIEW

4.1.22 A034 Joystick Accelerator pedal

release pot. ('Slide
switch') faulty

Accelerator pedal mode
not functioning

JOYSTICK, CAN ­JOYSTICK

4.1.23 A003,
A034

Joystick 'cruise control
ON'

Signal fault Continuation in

emergency mode
possible

'Transmission control'
circuit diagram

TRANSMISSION,
CRUISE CONTROL

4.1.24 S015 Hand brake solenoid

switch

Signal fault Hand brake automatic

mode not available

'Transmission control'
circuit diagram

TRANSMISSION,
OPERATING RANGE

4.1.25 A003,
A034

Joystick 'Rapid
reversing'

Signal fault Continuation in

emergency mode
possible

'Transmission control'
circuit diagram

TRANSMISSION manu.
adjustment

4.1.26 A034 Joystick Joystick signal

'accelerator pedal mode'
faulty

Accelerator pedal mode
not functioning

JOYSTICK, CAN ­JOYSTICK

4.1.27 A034 Joystick Rapid reverse button

(F/R rocker) fault

F/R rocker in the armrest
not functioning

(joystick lock) JOYSTICK, CAN -

JOYSTICK

4.1.28 A009 Transmission control

unit, F/R incremental
encoder

Signal fault Continuation in

emergency mode
possible

'Transmission control'
circuit diagram

TRANSMISSION,
TRANSMISSION
CONTROL

4.1.29 A003,
A034

Joystick 'Rest position' Signal fault Continuation in

emergency mode
possible

'Transmission control'
circuit diagram

TRANSMISSION manu.
adjustment

4.1.2A B015 Bevel pinion direction

(=direction of travel) Hall
sensor

Signal fault Continuation in

emergency mode
possible

'Transmission control'
circuit diagram

TRANSMISSION,
CRUISE CONTROL

Fault
code

Id code Brief description Description Consequences Link FENDIAS / Note

all Vario tractors

Tractor / General system

Vario Tractors - Fault Codes

B

Faults

12/1999

0000 000001

B

f

21/58

Capitel Docu-No.

Index

Date Version

Page

Vario Tractors - Fault Codes

4.1.2B A003,
A034

Button for driving mode
selection

Signal fault Actual driving mode is

maintained; switching is
not possible

'Transmission control'
circuit diagram

TRANSMISSION,
OPERATING RANGE

4.1.2C A003,
A034

Button to toggle
between 'Neutral /
Active stationary mode'

Signal fault Continuation in

emergency mode
possible

'Transmission control'
circuit diagram

TRANSMISSION,
OPERATING RANGE

4.1.2D S014
or
S061

'Rapid reversing' control
on control stalk

Signal fault Rapid reversing still

possible via joystick

'Transmission control'
circuit diagram

TRANSMISSION manu.
adjustment

4.1.2E A003,
A034

'v+ transmission control'
(joystick forwards)

Signal fault Continuation in

emergency mode
possible

'Transmission control'
circuit diagram

TRANSMISSION manu.
adjustment

4.1.2F A003 'v- transmission control'

(joystick to rear)

Signal fault Continuation in

emergency mode
possible

'Transmission control'
circuit diagram

TRANSMISSION manu.
adjustment

4.1.30 MS 'Emergency mode hatch'

solenoid switch

Signal fault Continuation in

emergency mode
possible

Service Training ML 200
(X 990.005.023.027en)

4.1.31 B014 Hall sensor for

accumulator shaft
direction (partially also
defined by 'Hydrostat')

Signal fault Continuation in

emergency mode
possible

'Transmission control'
circuit diagram

TRANSMISSION,
CRUISE CONTROL

4.1.32 A003,
A034

'Activating key' within
joystick

Signal fault Continuation in

emergency mode
possible

'Transmission control'
circuit diagram

TRANSMISSION manu.
adjustment

4.1.33 'Automatic maximum

output control' key on
membrane keypad

Signal fault Function not available Service Training ML 200

(X 990.005.023.027en)

4.1.34 'Cruise control' key on

membrane keypad

Signal fault Function not available Service Training ML 200

(X 990.005.023.027en)

4.1.35 'Store reverse

transmission ratio' key
on membrane keypad

Signal fault Function not available Service Training ML 200

(X 990.005.023.027en)

Fault
code

Id code Brief description Description Consequences Link FENDIAS / Note

all Vario tractors

Tractor / General system

Vario Tractors - Fault Codes

B

Faults

12/1999

0000 000001

B

f

22/58

Capitel Docu-No.Index

Date Version

Page

Vario Tractors - Fault Codes

4.1.36 'Rear PTO automatic'
key on membrane
keypad

Signal fault Function not available see Service Training ML

200 (X

990.005.023.027en)

4.1.37 'Front PTO automatic'
key on membrane
keypad

Signal fault Function not available Service Training ML 200

(X 990.005.023.027en)

4.1.38 'Store forward
transmission ratio' key
on membrane keypad

Signal fault Function not available Service Training ML 200

(X 990.005.023.027en)

4.1.41 B011 Engine speed Hall
sensor 2

Signal fault Continuation in

emergency mode
possible

'Transmission control'
circuit diagram

TRANSMISSION,
CRUISE CONTROL

12 V supply fault A013 fuse 2

4.1.42 B014 Hall sensor for
accumulator shaft speed
(partially also defined by
'Hydrostat')

Signal fault Continuation in

emergency mode
possible

'Transmission control'
circuit diagram

TRANSMISSION,
CRUISE CONTROL

8.5 V supply fault A013 fuse 16

4.1.44 B010 Engine speed Hall
sensor 1

Signal fault Continuation in

emergency mode
possible

'Transmission control'
circuit diagram

TRANSMISSION,
CRUISE CONTROL

12 V supply fault A013 fuse 4

4.1.45 B015 Bevel pinion speed
(=travel speed) Hall
sensor

Signal fault Continuation in

emergency mode
possible

'Transmission control'
circuit diagram

TRANSMISSION,
CRUISE CONTROL

8.5 V supply fault A013 fuse 7

4.1.50 S017 'Transmission oil filter
clogged' switch

Filter clogged No further indication of

clogging

'Transmission control'
circuit diagram

TRANSMISSION,
TRANSMISSION
OIL/FILTER switch
function not active
under 50° oil
temperature

Fault
code

Id code Brief description Description Consequences Link FENDIAS / Note

all Vario tractors

Tractor / General system

Vario Tractors - Fault Codes

B

Faults

12/1999

0000 000001

B

f

23/58

Capitel Docu-No.

Index

Date Version

Page

Vario Tractors - Fault Codes

4.1.53 B009 Thermo switch 'Transmission oil
temperature more than
110°C'

Continuing to drive will
cause transmission
damage!

'Transmission control'
circuit diagram

TRANSMISSION,
TRANSMISSION
OIL/FILTER

4.1.56 S017 'Transmission oil filter

clogged' switch

Signal fault No further display! 'Transmission control'

circuit diagram

TRANSMISSION,
TRANSMISSION
OIL/FILTER

4.1.58 Transmission slip

monitor

Transmission output
speed deviates by more
than 30% from setpoint

may occur at extremely
low temperatures in
isolated cases; repeated
occurrence under
normal conditions
results in a rise in oil
temperature and
transmission
damage;TMS is
switched off

Fault not active if ­turboclutch function is
on - clutch is depressed

TRANSMISSION,
TRANSMISSION
ADJUSTMENT ('ideal
ratio / actual ratio'
comparison)

4.1.59 'Emergency operation'

actuation

Emergency operation
activated manually
without apparent reason

Fault code will not be
stored

Fault in emergency
mode

4.1.61 Y002 'Shifting from speed

range 2 to 1' solenoid
valve

Actuation fault Continuation in

emergency mode
possible

'Transmission control'
circuit diagram

TRANSMISSION,
OPERATING RANGE

4.1.62 Y003 'Shifting from speed

range 1 to 2' solenoid
valve

Actuation fault Continuation in

emergency mode
possible

TRANSMISSION,
OPERATING RANGE

4.1.63 Y005 'Speed governor'

solenoid valve (=limiting
angle of rotation of
actuator shaft)

Actuation fault Possible to continue at

max. 30 km/h

'Transmission control'
circuit diagram

TRANSMISSION,
FUNCTION OVERVIEW

4.1.64 Y004 Turboclutch solenoid

valve

PWM actuation fault 'Transmission control'

circuit diagram

TRANSMISSION,
TURBOCLUTCH

Fault
code

Id code Brief description Description Consequences Link FENDIAS / Note

all Vario tractors

Tractor / General system

Vario Tractors - Fault Codes

B

Faults

12/1999

0000 000001

B

f

24/58

Capitel Docu-No.Index

Date Version

Page

Vario Tractors - Fault Codes

4.1.65 Y006;
Y051

'Engine brake' solenoid
valve;
Relay cardan brake

Actuation fault

4.1.66 K051,
Y053

Relay, active parking
function,
solenoid valve, active
parking function

Relay faulty, solenoid
valve faulty, signal
transmission faulty

No active parking
function

"Engine brake and
active parking function"
circuit diagram

4.1.67 K051 Relay, active parking

function

Relay test not required,
relay contacts (Pin 3 / 5)
stuck.

No active parking
function.

'Engine brake and active
parking function' circuit
diagram

4.1.70 A004 'Cruise control 1' key Key fault Cruise control cannot be

activated

'Transmission control'
circuit diagram

TRANSMISSION,
CRUISE CONTROL

Bus fault from A004 to
transmission control
module

TRANSMISSION,
CRUISE CONTROL

4.1.71 A004 'Cruise control 2' key Key fault Cruise control cannot be

activated

'Transmission control'
circuit diagram

TRANSMISSION,
CRUISE CONTROL

Bus fault from A004 to
transmission control
module

TRANSMISSION,
CRUISE CONTROL

4.1.72 S017 'Transmission oil filter

clogged' switch

Signal fault No further display or

monitoring, possibly
transmission damage

'Transmission control'
circuit diagram

TRANSMISSION,
TRANSMISSION
OIL/FILTER

4.1.73 B033 'Discharge oil

temperature' sensor

Signal fault No further display or

monitoring, possibly
transmission damage

'Transmission control'
circuit diagram

TRANSMISSION,
TRANSMISSION
OIL/FILTER

4.1.74 S015 'Hand brake ON/OFF

sensor' solenoid switch

Signal fault TMS is switched off 'Transmission control'

circuit diagram

TRANSMISSION manu.
adjustment

4.1.75 S045 'Reverse operation

sensor' solenoid switch

Signal fault 'Transmission control'

circuit diagram

TRANSMISSION,
FUNCTION OVERVIEW

4.1.76 S047 Engine brake

plunger-operated switch

Signal fault TMS is switched off 'Transmission control'

circuit diagram

TRANSMISSION,
CRUISE CONTROL

Fault
code

Id code Brief description Description Consequences Link FENDIAS / Note

all Vario tractors

Tractor / General system

Vario Tractors - Fault Codes

B

Faults

12/1999

0000 000001

B

f

25/58

Capitel Docu-No.

Index

Date Version

Page

Vario Tractors - Fault Codes

4.1.77 A034 Joystick Switch, acceleration
ramp I ... IV faulty

Only acceleration rate III
available

JOYSTICK, CAN ­JOYSTICK

4.1.78 S053 Seat switch Signal fault from seat
switch

Selection of direction of
travel is disabled in
accelerator pedal mode
when vehicle is
stationary (the tractor
driver must re-activate
the selection of direction
of travel)

TRANSMISSION manu.
adjustment

4.1.7E B035 Setpoint engine speed

EDC/EMR rotary
position sensor, 'hand
throttle potentiometer'

Signal fault 'EDC control' circuit

diagram

TRANSMISSION,
AUTOMATIC MAXIMUM
OUTPUT CONTROL,
calibration code '4002'

4.1.7F A003,

A034

Memory key MIN/ MAX
setpoint engine speed
EDC/EMR

Signal fault 'EDC control' circuit

diagram

Joystick

4.1.81 B010

B011

Engine speed Hall
sensor 1/2

Plausibility error
(=speeds do not match)

Continuation in
emergency mode
possible

'Transmission control'
circuit diagram

TRANSMISSION,
CRUISE CONTROL

4.1.82 B014

B015
B016

Drive collector shaft rpm
Hall sensor / driving
mode detection bevel
pinion sensor

Plausibility error
(=speeds do not match)

Continuation in
emergency mode
possible

'Transmission control'
circuit diagram

possible fault;
Potentiometer range
change B016,
Hydrostat.- bevel pinion
sensor

4.1.83 B014

B015

Accumulator shaft/bevel
pinion speed Hall sensor

Plausibility error
(=speeds do not match)

Continuation in
emergency mode
possible

'Transmission control'
circuit diagram

possible fault;
Potentiometer range
change B016,
Hydrostat.- bevel pinion
sensor

4.1.84 A003

or
A034

Joystick switch (V, R,
VR, cruise control,
default position)

Plausibility error
(=signals do not match
logically)

Continuation in
emergency mode
possible

'Transmission control'
circuit diagram

TRANSMISSION manu.
adjustment; joystick

Fault
code

Id code Brief description Description Consequences Link FENDIAS / Note

all Vario tractors

Tractor / General system

Vario Tractors - Fault Codes

B

Faults

12/1999

0000 000001

B

f

26/58

Capitel Docu-No.Index

Date Version

Page

Vario Tractors - Fault Codes

4.1.85 B010 Engine speed Hall
sensor 1

Engine speed sensor
does not supply
plausible speed curves.
Output speed increase
or decrease is outside
limits.

Continuation in
emergency mode
possible

'Transmission control'
circuit diagram

TRANSMISSION,
AUTOMATIC MAXIMUM
OUTPUT CONTROL

4.1.86 B008,

B039

High pressure sensor I
(transmission drive
pressure) ; High
pressure sensor II (push
detection)

Plausibility error
between B008 sensor
and B039 sensor

Loss of enhanced
control when driving
('Active parking function
not functioning'), TMS is
switched off

TRANSMISSION,
CRUISE CONTROL

4.1.87 S061 Switch, rapid reverse on
the steering wheel
adjustment

Plausibility error at the F
/ R switch, rapid reverse

F / R switch not
functioning, rapid
reverse on the steering
wheel adjustment lever,
S061- switch,

Check rapid reverse
Chapter 9000 Reg. E

TRANSMISSION manu.
adjustment

4.1.88 A034 Joystick Plausibility error at the

ON / OFF key of the
accelerator pedal mode

Key not functioning Joystick

4.1.90 A001

A004

Cruise control 1 - data
communication

Data communication
fault

Key not available TRANSMISSION manu.

adjustment

4.1.91 A001

A004

Cruise control 2 - data
communication

Data communication
fault

Key not available TRANSMISSION manu.

adjustment

4.1.92 A001

A002

Brake pedal left / right,
data communication

Data communication
fault

Automatic cruise control
not available

TRANSMISSION manu.
adjustment

4.1.93 A001

A002

Brake pedal left, data
communication

Data communication
fault

Automatic cruise control
not available

TRANSMISSION manu.
adjustment

4.1.94 A034 Joystick CAN communication

fault between A002 ­ECU, enhanced control
and A034 - joystick

Joystick functions
limited.

Joystick

Fault
code

Id code Brief description Description Consequences Link FENDIAS / Note