Electrolux FAVORIT 8081 User manual

SERVICE MANUAL
© AEG Hausgeräte GmbH
Muggenhofer Straße 135
D-90429 Nürnberg
Germany
Fax [phone]
TSE - N
Ausgabe: 11.98
Edition: 11.98
Publ.-Nr.:
599 50 66 51
685
Dishwasher
Fully electronic dishwasher
FAVORIT 8081
EN
DISHWASHER

Dishwasher
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Fully electronic dishwasher FAVORIT 8081
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Technical Data
This dishwasher has basicly the same construction as the range 1995, like shown on the pages
292 1372 01 - 21. But it has a bigger electronic with automatic programes.
In the automatic programes the pollution (mist) of the rinse water is measured during the pre-
rinse and the intermediate rinse. If no pollution is recognized the water of the pre-rinse is used
during the mainwash. A second intermediate rinse will not be executed.

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Technical Data
turbit-sensor
The function of the turbit-sensor is only activ by programmes "AUTO 65" and "AUTO BIO 50"
Function:
The input voltage of the turbit-sensor can be between 6 V and 11,4 V (rail connections output
electronic 4 and 6).
The output voltage should always be 4,3 V (rail connections output electronic 1 and 6). That's
voltage value for clean water.
Should the turbit-sensor be dirty after a long period of use, the input voltage corresponding to
the turbit with automatically engage the electronical output according to the output voltage until it
has reched 4,3 V. This calibration occurs in final rinse.
Should the maximum input voltage of 11,4 V be reached, then it couldn't reach the output-
voltage of 4,3 V - 60 mV.
The error will be recorded "C5" in the memory. Should the
output-voltage in pre-wash be under 3 V and in intermediate rinsing
under 3,8 V, then we have turbit water in the tank.
In the service the turbit-sensor test program will not be
calibrated for medium water, but with air (3,5 V).
That corresponds to medium water (4,3 V).
4,3V
Output voltage intermediate rinsing:
turbit water
4,3V3V
Output voltage pre-wash:
turbit water clean water
3,8V
clean water

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Technical Data
Flow water heater
Heating power: 3125W
Heating steps:
Pre-wash (Intensiv) : distributor position on upper sprayarm, distributor out of power,
heating till 40 °C,
then distributor power on.
Washing: distributor position on upper sprayarm, distributor out of power,
heating till 50 °C,
distributor power on (1 min),
distributor position on upper sprayarm, distributor out of power,
heating till 60 °C (ECO-Program),
65 °C (Normal-Program),
70 °C (Intensiv-Program),
distributor power on,
washing predominant on lower sprayarm.
Final rinse: distributor position on upper sprayarm, distributor out of power,
heating till 50 °C,
dosage rinse aid,
distributor power on,
dosage rinse aid,
distributor position on upper sprayarm, distributor out of power,
heating till 70 °C,
distributor power on,
washing predominant on lower sprayarm.

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Fully electronic dishwasher FAVORIT 8081
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Technical Data
Autoprogram "AUTO 65° and AUTO BIO 50°"
excample for program without sensorlogic (full load):
turbit turbit
no turbit
turbit
no turbit no turbit
washing
washing final rinse
extraintermediate
rinsing of softener upon
regenerating of softener
4 min
pre-wash
6 min 3 min 5 min
1. and 2. turbitidy 3. and 4.
40 sec
calibrate

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Technical Data
Autoprogram "AUTO 65° and AUTO BIO 50°"
Example for program with sensorlogic (half load):
no turbit
turbit noticed
2000 U/min 2000 U/min
intermediate rinsing
rinsing of softener upon request 4 min
pre-wash
6 min
1. and 2.
turbitidy measurement
washing regenerating
of softener upon request
40 sec
Calibrate
on 4,3V
final rinse with rinse aid
half loading
heating 50°C

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Technical Data
LED-blockade only upper sprayarm
The LED-blockage is only over the upper sprayarm.
The LED-blockage for lower sprayarm is removed.
Function:
The inspection is running during the recycling pump in function.
The distributor-position on upper sprayarm.
The position contact for distributor b65 is open.
After change the upper sprayarm will be controlled within 40 sec.
During this 40 sec. should be existing minimal 4 impulse.
If that is not the case, an error will be recorded as "Cu" in the memory.
The LED sprayarm is on and the buzzer is going on.
LED-water inlet
The reed relay for water inlet is removed.
Function:
The inspect of LED-water inlet occurs about the pressure switch, i. e. the level isn't reached
within 60 sec, then LED-water inlet is going on.
An Error will be recorded as "C1" in the memory, the LED "water" is going on.

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Technical Data
The fully electronic dishwasher has the following service functions:
1. Heater element programming
2. fault display
3. fault memory
4. LED-test
5. individual component control
6. service test programme
1. Heater element programming
- Press buttons 4 and 7 simultaneously and switch on with button 1
(Refer to paragraph 3. 'Fault memory' for the pushbutton numbering)
- Press button 7 for choosing the heater power
(after 6 seconds the display is switched off and the power value is stored)
2. Fault display
If the electronic detects a fault during the washing programme, it is displayed by flashing
LEDs. By pressing the programme button next to the LED, the programme continues and
the fault display is cancelled.
The lower 5 LEDs of the programme progress indicator are used for the fault display.
On dishwashers with multi-function display the fault is also indicated on that display.
LED Drying LED End LED Washing LED Pre-rinsing
Multifunktion
Display Heater power ET-No.
XXXX 0 1 3125 W
1900 W + 1240 W 646 174 530 16 A
XXX 0 2 2520 W 646 174 531 13 A
X X X 0 3 2035 W 646 174 532 10 A
X X 0 4 1240 W

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Technical Data
LED Washing
LED End
LED Drying
LED Final Rinsing
LED Rinsing
8 4 2 1 Multifunction
Display Fault / Component What is the behaviour of the dishwasher with the indicated
fault?
How is the fault sensed by the
electronic module?
XCO Electronic module Program interruption Data transfer between input module
and power module faulty
XRest program
duration C1 in
fault memory
no water inlet Program interruption. The level isn’t reached within 60 sec.
XC2 Drain pump Program interruption The drain pump is triggered but the
pressure switch doesn’t reset after 115
sec.
X X C3 Water in bottom tub
Interruption of drain
pump
Module left: Triac
doesn’t reset
Program interruption until reset of
overflow switch Voltage measurement at Triac output
XC4 Regenerator valve
interruption
Module left: Triac
doesn’t reset
Program keeps on running Voltage measurement at Triac output.
Attention:
With softeners supplied with two
regenerator valves a winding
interruption is not indicated
XXXC7
only in fault
memory
Heater
Heater relay
Safety thermostat
Program keeps on running
without heater Temperature rising rate < 0,6 K/min during heating steps
XC8
only in fault
memory
NTC Temperature
sensor
Interruption / short
circuit
Program keeps on running
without heater Voltage measurement at NTC temperature sensor
X X C9
only in fault
memory
Tacho generator
faulty Program keeps on running; Recycling pump on nominal
speed
Electronic module does not detect
tacho information
XXCA Short circuit in Triac
for recycling pump
on left module
Program is skipped up to end
Draining within 300 sec. Module detects tacho information while Triac is not triggered
X X X Cb
only in fault
memory
Rotary switch faulty
Module left: Triac
doesn’t switch off
Program keeps on running
Program keeps on running
without heating steps
The rotary switch contact is closed
when the water enters the upper spray
arm. If the contact doesn’t switch, the
module detects this fault type.
Alltough the distriputer isn’t controll
high, a changing signal is recognized
on contact b65 (short circuit).
X X Cc Fan "Drying"
interrupted
Module left: Triac
doesn’t switch off
Program keeps on running Voltage measurement at Triac output
XX XCd Wax drive for air
flap (Drying)
interrupted
Module left: Triac
doesn’t switch off
Program is skipped up to end;
Draining within 300 sec. Voltage measurement at Triac output
X X X CE Micro processor
"crashed" Program is skipped up to end; Switch appliance off and restart
program
Watchdog Microcomputer Reset;
Microcomputer is "crashed" and works
no more
n o n Cu upper sprayarm
blocked LED sprayarm on, buzzer on Hall-Sensor doesn’t get 4 Impulse/ 40sec

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Technical Data
- Whilst pressing buttons 4 and 7 simultaneously, switch on with button 1
- In display "d2"
- Press button 5 / the last occuring fault is displayed
- Press button 5 / the penultimately occurring fault is displayed etc
4. LED-Test / Cancelling of fault memory
- Whilst pressing buttons 4 and 7 simultaneously, switch on with button 1
- In display "d2"
- Press button 3 / all LEDs illuminate, the fault memory is deleted
5. Test of individual components
- Whilst pressing buttons 2 and 3 simultaneously and switch on with button 1
- In display "d1"
Button 1 On Button 4 recycling pump
Button 2 admission valve Button 5 rotary slide Button 8 Fan + flap
Button 3 regeneration valve Button 6 drain pump Button 9 detergent
dispenser
20 sec after pushing the latest button the program is quit
6. Service test programme
- Whilst pressing buttons 4 and 7 simultaneously, switch on with button 1
QUICK
PRE-WASH
ON
AUTO
NORMAL
INTENSIV
NORMAL
AUTO
ECO
3. Fault memory
The latest three faults are stored and can be called up with the programme selection

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Technical Data
Program sequence
indicator Function Option
Rotary switch until position upper spray arm
(step independant)
draining until reset position pressure
switch
draining 30 seconds
turbit-sensor calibrated air UB=3,5V
Pre rinse filling until switch position pressure
switch
filling 3 seconds
draining until reset position pressure
switch
draining 30 seconds
Rotary switch until position upper spray arm
filling until switch position pressure
switch
filling 19,5 Sekunden
Washing filling
recycling until switch position pressure sensor
Detergent cover
recycling 5 seconds
heating
recycling
Rotary switch 65 °C
draining until reset position pressure
switch
draining 30 seconds
Regenerator valve
Fan
Fan flap
120 seconds
Final rinse Regenerator valve
Fan
Fan flap
heating
30 seconds
Regenerator valve
Fan
Fan flap
120 seconds
Regenerator valve
Fan
Fan flap
30 seconds
draining 30 seconds

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Technical Data
NTC-Temperaturfühler
Temperature sensor NTC-resistor
Temperatur/Widerstand °C/Ω20 °C / 6032 Ω
temperature/resistor 25 °C / 4829 Ω
(nur bei vollelektron. Geschirrspüler) 30 °C / 3891 Ω
(only for fully electronic dishwasher) 40 °C / 2573 Ω
50 °C / 1741 Ω
55 °C / 1444 Ω
60 °C / 1204 Ω
65 °C / 1009 Ω
70 °C / 849 Ω
Elektronische Regenerierdosierung
Electronic regeneration dosage
Die elektronische Regenerierdosierung ist 10-stufig verstellbar.
The electronic regeneration dosage can be adjusted to 10 different settings.
o Die Taste "+" und "-" gleichzeitig drücken
o press the "+" and "-" buttons next to the display simultaneously
o ImDisplay erscheint die eingestellte Stufe H0 - H9
o the display shows the setting H0 - H9
o Mit den Tasten "+" oder "-" kann die Stufe verändert w erden
o the setting can be ajusted with the "+" or "-" button
Härtebereich Härtebereich
water hardness water hardness
Stufe D F Füllmenge Salz
step capacity Salt
H 0 - 4 °d - 7 °f regeneration
H1 - 12 °d - 21 °f > 165 l
H2 - 16 °d - 29 °f > 113 l
H3 - 20 °d - 36 °f > 81 l
H4 - 24 °d - 43 °f > 69 l 110 g für
H5 - 28 °d - 50 °f > 57 l eine Regenerierung
H6 - 32 °d - 57 °f > 45 l for one regeneration cycle
H7 - 40 °d - 71 °f > 33 l
H 8 - 50 °d - 89 °f > 21 l
H9 - 70 °d - 125 °f > 10 l