User Manual

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
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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