User Manual

all Vario tractors
Tractor / General system
Vario Tractors - Fault Codes
B
Faults
12/1999
0000 000001
B
f
14/58
Capitel Docu-No.Index
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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