DAF 95XF. Manual — part 195
©
200438
1-3
Airtronic (ACH-EA) fault codes
AIRTRONIC (ACH-EA)
DAVIE XD diagnostics manual
9
7-1
Short circuit to earth or short circuit to supply of
fuel metering pump (B122) on pin 4 and/or 9 of
the ECU (D871)
-
Cab heater does not start
Internal fault in fuel metering pump (B122)
7-2
Interruption on pin 4 and/or 9 of the ECU (D871),
fuel metering pump (B122)
-
Cab heater does not start
Internal fault in fuel metering pump (B122)
8-1
Short circuit to earth or short circuit to supply of
cab heater fan (B305) on pins BM1 and BM2 of
the ECU (D871)
-
Cab heater does not start
Internal fault in fan (B305)
8-2
Interruption of cab heater fan (B305) on pins BM1
and/or BM2 of the ECU (D871)
-
Cab heater does not start
Internal fault in fan (B305)
8-3
Cab heater fan (B305) speed deviation due to:
-
blocked vent
-
missing solenoid in electric motor
-
defective ECU (D871)
-
Cab heater fails during operation
9-1
Short circuit to earth or short circuit to supply of
glow filament (B168) on pin GS1 and/or GS2 of
the ECU (D871)
-
Cab heater does not start
9-2
Interruption of glow filament (B168) on pin GS1
and/or GS2 of the ECU (D871)
-
Cab heater does not start
10-0
Cab heater gets overheated too often due to:
-
clogged hot air pipes
-
defective overheating sensor (combisensor
F691)
-
insufficient supply of inlet air
-
Cab heater fails during operation
10-4
ACH-EA safety function switched on as a result
of:
-
too many overheatings
-
The ECU is blocked
12-1
Short circuit to earth or short circuit to supply of
thermostat unit (E566) on pin 10, 11 and/or 13 of
the ECU (D871)
-
Cab heater does not start
-
Cab heater does not switch on or off at the
desired temperature
Internal fault in thermostat unit (E566) or timer
unit (E581)
12-2
Interruption of temperature unit (F566) on pin 10
and/or 11 of the ECU (D871)
-
Cab heater does not start
-
Cab heater does not switch on or off at the
desired temperature
Internal fault in thermostat unit (E566) or timer
unit (E581)
13-1
Short circuit to earth or short circuit to supply of
overheating sensor (combisensor F691) on pins
UF1 and FF2 of the ECU (D871)
-
Cab heater does not start or fails during
operation
Fault code
Fault code description with possible cause
Symptom
AIRTRONIC (ACH-EA)
1-4
©
200438
Airtronic (ACH-EA) fault codes
9
DAVIE XD diagnostics manual
13-2
Interruption of overheating sensor (combisensor
F691) on pins UF1 and/or FF2 of the ECU (D871)
-
Cab heater does not start or fails during
operation
13-3
Combisensor (F691) value is out of measuring
range due to:
-
clogged hot air pipes
-
defective overheating sensor (combisensor
F691)
-
insufficient supply of inlet air
-
defective flame sensor (combisensor)
-
Cab heater does not start or fails during
operation
Fault code
Fault code description with possible cause
Symptom
©
200438
2-1
System inspection with DAVIE XD
AIRTRONIC (ACH-EA)
DAVIE XD diagnostics manual
9
2. SYSTEM INSPECTION WITH DAVIE XD
2.1 GENERAL
Communication between DAVIE XD and the cab
heater can only be established if the cab heater is
switched on.
AIRTRONIC (ACH-EA)
2-2
©
200438
System inspection with DAVIE XD
9
DAVIE XD diagnostics manual
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