User Manual

all Vario tractors
Tractor / General system
Vario Tractors - Fault Codes
B
Faults
12/1999
0000 000001
B
f
8/58
Capitel Docu-No.Index
Date Version
Page
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
(DEU-
TZ
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