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Merloni Elettrodomestici
Service Manual
WASHING MACHINE 2000
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2001-04-23/01
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Service Manual WASHING MACHINE 2000
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2001-04-23/01
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Contents
1 1.1 1.2 1.3 1.4 2 CONTROL PANEL Timer Selector Timer Delay Setting Buttons Detergent drawer SPECIAL PROGRAMMES 5 5 6 10 11 12
3
WASH CYCLE PERFORMANCE AND DURATION
13
4
PARTICULAR PHASES
14
5
BLEACH - STAIN REMOVAL BUTTON
15
6 6.1 6.2 6.3 6.4 7
ELECTRONIC CARD Removing the EEprom The Hardware key Autotest List of Faults LVB 2000 and procedures to follow to solve the problems CONDUCTIVITY SENSOR
16 19 21 23 24 28
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8 8.1 8.2 8.3 8.4 8.5 8.6 8.7 8.8 8.9 8.10 8.11 8.12 8.13 8.14 8.15
DISMANTLING AND REPLACING COMPONENTS Top Microdelayer Control panel Top Counterweight Front counterweight Driven Pulley Engine Temperature Probe Programme Selector Door Seal Module Door Handle Drainage Pump Shock absorbers Enlarged Wash Dry
29 29 30 32 35 35 37 39 41 42 44 45 45 46 47 48
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1
CONTROL PANEL
Fig. 1 Model AL68XIT Control Panel and Model AL109XIT Control Panel 1
15,40 11,3
2
ON OFF
3
4
MARGHERITA 2000
COTTON
SYNTHETIC
WOOL-CACHEMIRE
40°
SILK-CURTAIN
30°
1 energy 60° 2 normal 40° 3 40° class A 40° 4 delicate coloured
90°
5 energy 40° 6 delicate 7 daily 300`
60°
8
hand wash
9
extra delicate stop/reset
stop/reset
stop/reset
stop/reset
AL68X
5 1
15,40
6 2
ON OFF
7 3 4
digital
MARGHERITA 2000
AL109X
5 1 2 3 Buttons Option Door Lock Led ON/OFF 4 5 6 StandBy/O Led Detergent Drawer Component Knobs
6 7
7 Programme Selector
digital
1.1
Fig. 2
Timer Selector
1
3h 6 1h
4 3 2 1
h12h
5
9
2
4
8
1 2
Timer Delay Cotton
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7
3 3 4 Synthetic Wool 5 Silk/Curtains
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Led There are three ON-StandBy led management modes: A. StandBy mode: the user is informed when the machine is not carrying out a programme; this flashing mode is active after stopping and resetting. The led flashes at a frequency of about 1 Hz B. Programme Acceptance Mode: the led flashes for about 3" at a frequency of 10 Hz C. ON mode: the led is always alight Programme Setting Normal programme setting: · The machine starts from a StandBy position (led in mode A) · The user selects a programme · If the selector remains in the same position for at least 5" the machine passes to the programme acceptance mode (led in mode B) and then to ON (led in mode C) · At this point the programme starts · It does not change if the selector position is modified · The user can stop the cycle by moving to the Reset position (marked with a dot)
1.2
Timer Delay Setting
· The machine starts from a StandBy position (led in mode A) · The user turns the selector to the desired delay · If the selector remains in the same position for at least 5" the machine passes to the delay acceptance mode (led in mode B) and then to ON (led in mode C) · The user selects a programme · If the selector remains in the same position for at least 5" the machine passes to the programme acceptance mode (led in mode B) and then to ON (led in mode C) · It is not changed if the selector position is modified · The user can stop the delay count by moving to one of the Reset positions for at least 5" (marked with a dot on the programme disc) · When the count down is completed the machine starts its cycle and passes to ON (led in mode C) · It is not changed if the selector position is modified · The user can stop the cycle by moving to one of the 5 Reset positions for at least 5"
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By resetting a programme the machine returns to the StandBy position (led in mode A). The Door Lock led is only a user feedback to know when it is possible to open the door.
N.B.
Even if the power supply is interrupted the programme that has been selected remains.
1.2.1
Fig. 3
Wash Intensity Knob
R
This knob allows the characteristics of the selected wash programme to be changed. By turning it the wash becomes more intensive and the programme duration increases (Relative symbols). By turning it ANTICLOCKWISE the wash becomes more delicate and the cycle duration decreases.
N.B.
It can be used only with the programmes for resistant and synthetic fabrics, except 3 and 7 (see timer selector).
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The total duration reduction specification regarding the IEC cycle is the following:
Location Reduction % 30 20 17 13 10 6 3 0
1 2 3 4 5 6 7 8
The time variation set with the knob is the following: IEC cycle 60°
Cycle Location Time Decrease % 30 20 17 13 10 6 3 0 Decrease % 73 50 41 32 24 15 7 0 Steps Mech (Min) 12.2 22.5 26.6 30.6 34.2 38.3 41.9 45.0 Biol (Min) 2.7 5.0 5.9 6.8 7.6 8.5 9.3 10.0
1 2 3 4 5 6 7 8
94 106 111 116 121 126 130 134
In relation to the movements the knob action is the following (difference compared to standard setting):
Location Handling Procedures ON [s] 4 3 2 1 0 0 0 0 OFF [s] +4 +3 +2 +1 0 0 0 0
1 2 3 4 5 6 7 8
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1.2.2
Fig. 4
Temperature Adjustment Knob
max
80
max
80
70
60
50
40
30
This knob is used to reduce the programme recommended temperature until giving a cold wash.
1.2.3
Fig. 5
Spin Speed Adjustment Knob
1000
900
1000
900
800
700
600
500
400
This knob is used to reduce the spin speed, until reaching no spin.
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1.3
1.3.1
Buttons
No spin button
By pressing this button the washing machine does not spin, but rotates the basket at moderate speed. It should be used when the garments that are being washed are difficult to iron.
1.3.2
Extra rinse button
This button is used to increase the number of rinses in the programmes for resistant fabrics. It is recommended that this should be used to improve the rinse when the machine has a full load and a lot of detergent.
1.3.3
Stain removal button
By pressing this button the washing machine performs a more intensive wash that improves the effectiveness of liquid additives (see chap. 5 BLEACH - STAIN REMOVAL BUTTON) thus allowing elimination of even the most resistant stains.
1.3.4
Prewash button
This button allows a prewash to be performed in all programmes EXCEPT wool.
N.B.
When using this function the bleach cycle cannot be performed (Stain removal button).
1.3.5
Anti-crease button
When this button is combined with programmes for synthetic fabrics and silk/curtains it interrupts the wash programme leaving the garments to soak before draining. This function is important as it avoids creasing delicate and synthetic fabrics (e.g. when it is not possible to take the laundry out at the end of the wash but only a few hours later). The programme can be completed by excluding the button.
N.B.
If the machine is not provided with this button the programme can be completed by turning the selector knob one notch.
1.3.6
Rapid Button
Press this button to reduce the wash programme duration by about 30%. It cannot be used with special programmes and with those for wool and silk.
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1.4
Detergent drawer
The detergent drawer can be opened by rotating it outwards. Pour the detergent and the additive, if any, following the detergent dosage indications.
Fig. 6
4
MAX
1 2 3
Compartment 1 Prewash detergent (powder). Compartment 2 Wash detergent (powder or liquid). Compartment 3 Softeners, ... Compartment 4 Bleach and delicate bleach. The detergent drawer is extractable. To remove it pull it upwards and then outwards as shown in the following figure.
Fig. 7
1
2
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2
SPECIAL PROGRAMMES
40° AS 60° It is a special programme that allows very good washing results to be obtained even at low temperatures. By setting programme 3 at 40 °C and thanks to a special action of the washing machine and an increase of the washing time, the results will be the same as washing at 60 °C.
N.B.
When using this programme the Intensive/Delicate knob is not active.
Daily This machine has a programme for daily washing. By setting programme 7 at 30 °C it is possible to wash lightly soiled garments together, even if they are of different types and colours (max 3 KG). This programme allows savings in time and energy because the cycle lasts about 30 minutes.
N.B.
Liquid detergent is recommended.
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3
Tab. 1
WASH CYCLE PERFORMANCE AND DURATION
MODEL AL68XIT
Performance summary of all the Standard wash cycles
Start Progr. 1 2 3 4 5 6 7 7 9
Cycle
Load kg 5 (Cotton) 5 (Cotton) 5 (Cotton) 5 (Cotton) 2.5 (Ter/Cot) 2.5 (Ter/Cot) 3 (Cotton) 3 (Cotton)
Detergent Wash Cy- Soiled Garment Reflectance Wash Total Ratio Ener- Wash Dur. cle Blood Choc. Coal Wine Total Water Water Wascator gy Class Dur. kWh Milk Oil 60.7 58.1 58.2 48.9 59.9 53.0 43.9 46.0 47.5 15.3 15.2 15.4 15.4 8.5 9.3 11.2 11.2 20.1 nd nd nd nd 35.1 36.7 31.2 31.2 72.4 1.09 1.05 1.05 0.88 1.08 0.95 0.80 0.84 0.86 1.57 0.95 0.74 0.50 0.68 0.37 0.21 0.20 0.39 A A A F A D G G G
Energy Class E A A A D A A A F
90° Cotton 60° Cotton 40° = 60° 40° Cotton 60° Synth. 40° Synth. 30° Daily 30° Daily 30° Silk
IEC (134 g) 87 '147 '67.4 57.0 39.0 79.4 IEC (134 g) 82 '134 '62.4 55.8 37.9 76.1 IEC (134 g) 108 '163 '60.8 56.8 39.0 76.1 IEC (134 g) 39 '95 '47.1 47.8 31.5 69.3 IEC ( 94 g) 61 '102 '66.0 56.5 40.4 76.7 IEC ( 94 g) 33 '73 '55.9 52.7 34.6 68.9 IEC (102 g) 16 '34 '35.4 46.7 32.1 61.3 Dash liq. 16 '34 '47.1 48.6 31.6 56.8 (120 g) 1 (Ter/Cot) IEC (120 g) 31 '54 '47.5 47.8 32.5 62.0
Wash cycle performance using the stain button
Start Progr. 1 2 4 5 6 Cycle Load kg 5 (Cotton) 5 (Cotton) 5 (Cotton) 2.5 (Ter/Cot) 2.5 (Ter/Cot) Ace Ace Ace Ace Ace Additive Wash Duration 96 86 52 76 47 Cycle Duration '175 '160 '125 '134 '100 Soiled Garment Reflectance Blood '70.1 '60.7 '50.6 '70.1 '58.3 Choc. Milk 68.4 68.2 49.4 61.3 55.6 Coal Oil 40.3 37.5 31.9 41.8 37.0 Wine 80.7 80.1 78.4 77.1 73.5 Total 64.8 61.6 52.6 62.6 56.1 Wash Total Water Water 16.2 14.9 16.3 9.7 9.4 74.0 74.0 72.4 48.5 47.8
90° Cotton 60° Cotton 40° Cotton 60° Synthetics 40° Synthetics
(150 cc) (150 cc) (150 cc) gent. (150 g) gent. (150 g)
Wash intensity knob functionality
Start Progr. 1 2 4 4 5 5 6 6 Cycle Load kg 5 (Cotton) 5 (Cotton) 5 (Cotton) 5 (Cotton) 2.5 (Ter/Cot) 2.5 (Ter/Cot) 2.5 (Ter/Cot) 2.5 (Ter/Cot) Knob Position 1 - Minimum 5 - Recommended 1 5 1 5 1 5 Minimum Recommended Minimum Recommended Minimum Recommended Wash Duration 42 61 22 34 34 51 20 30 Cycle Duration '94 '113 '74 '107 '70 '86 '53 '65 Wash Total Water Water '15.0 '14.3 '14.5 '14.5 '9.1 '8.4 '7.2 '8.5 nd nd nd nd 38.1 38.3 38.9 38.9 Energy kWh 0.80 0.85 0.51 0.57 0.66 0.70 0.34 0.39
60° Cotton 60° Cotton 40° Cotton 40° Cotton 60° Synthetics 60° Synthetics 40° Synthetics 40° Synthetics
N.B.
In the other models duration of the cycle corresponding to the rapid button is the same as that obtained with the wash intensity knob in position 1.
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4
PARTICULAR PHASES
Antishock In the event that the machine goes to a draining phase (e.g. Spin) and the water temperature is higher than the set limit (e.g. 60°), the machine performs a particular cycle before draining: e.g. 1. Load 5 litres from Wash SV 2. Move 5" ON, 5" OFF, 25 rpm per 4' 3. If Temperature > Limit go to 1 otherwise go to 4 4. Drain + Spin Antifoam If there is too much foam in the machine during the spin it will carry out the following cycle: 1. Stop for 2' 2. Load 10 litres from Wash SV 3. Move 5" ON, 5" OFF, 25 rpm per 2' 4. Restart the Spin that was interrupted at the beginning This procedure is repeated until the foam problem is solved.
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5
BLEACH - STAIN REMOVAL BUTTON
In case of bleaching it is necessary to insert an extra chamber 4 in the detergent drawer compartment 1; when pouring the bleach be careful not to exceed the max level indicated in the following figure.
Fig. 8
MAX
MAX
This washing machine is provided with a special function TO BE USED FOR BLEACHING (Stain removal button). When bleaching is carried out separately pour the bleach into the supplementary chamber 4, press the stain removal button, switch the machine on and turn the selector to the rinse position after programme 4. When bleaching is carried out during a normal washing cycle, pour the detergent and the additives into the appropriate compartments, press the stain removal button, switch the machine on and select the desired washing cycle.
N.B.
Bleaching is not possible with the silk programme. When the bleach chamber is used it is not possible to use the prewash function.
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6
ELECTRONIC CARD
The card inside the machine:
Fig. 9
1
1
The position of the card inside the machine is the usual electronic module position
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Fig. 10
2
C N A
1
8 7 6 5 4 3 2 1
Variable or switch resistance. Potentiometer or Exterior key button. Between 0 VCC and XXVCC Variable or switch resistance. Potentiometer or Exterior key button. Between 0 VCC and XXVCC NTC of Drying Cycle. 15°C xxVCC; xx; 20°C xxVCC; xx; 30°C xxVCC; xx; 40°C xxVCC; xx; NTC of Washing Cycle. 15°C xxVCC; xx; 20°C xxVCC; xx; 30°C xxVCC; xx; 40°C xxVCC; xx;
From +XmVCC To +XmVCC
10 9 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1
3 4
C N C C N D C N 1 C N 5 E C N F
Key button +XVCC
Earth
8 7 6 5 4 3 2 1
Earth From +XmVCC To +XmVCC Conductivity Sensor
220 VAC Direct
Pilot ON/Standby +XVCC/X
+XVCC
"Timer" Motor xxVAC; XX Full Level Wash Cycle Resistance Phase 220 V Phase 220 V Empty Level Dryer Cycle Resistance Emptying Pump
T M
Overflow Emptying Pump
11 16 14
4 3 2 1 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1
Neutral Neutral
Neutral 220 VAC
12
PRESSURE SENSOR Phase 220 VAC
PS
Phase 220 V
Tachometer Fase 220 V
Motor
MV
Dryer Fan EV Pre-wash EV Hot water EV Wash cycle EV Drying cycle EV Water stop Micro door
Phase 220 V Neutral 220 V Phase 220 V Phase 220 V Phase 220 V Phase 220 V Phase 220 V Phase 220 V
1 2 3 4 5
Digital Connection WRAP EEPROM Microprocessor Serial Connection Power Zone
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Tab. 2
NTC temperature positioned in tub valid for washing cycle and wash dry cycle
CHARACTERISTICS T° (°C) Agitated Water R () Min B = 4263 18.80 K 2.03 M Max B = 4200 20.00 K 2.23 K
25 80
Tab. 3
NTC temperature positioned on the washing cycle resistance
T° (°C) Agitated Water R () R. min 19600 15710 4737 2362 1713 1261 R. max 20400 16470 5149 2622 1919 1427
25 30 60 80 90 100
°C °C °C °C °C °C
Card Replacement The card is a neutral element, in the sense that the component is not tied to a particular line graph or a particular machine. The card is customised using the EEProm, so that should it be necessary to replace the card, the EEProm must be removed from the old card and the same EEProm will have to be fitted on the new card before remounting it in the machine.
Fig. 11
1 1 Digital Connection
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6.1
Removing the EEprom
First of all, pay attention to which side the EEProm is mounted. There are two reference marks, Ref. A and Ref. B, that must be aligned when the EEProm is remounted.
Fig. 12
Ref. A 1
Ref. B
The EEProm is extracted with a specific device. The EEProm must be extracted as shown in the figure.
Fig. 13
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The extracted EEProm must be remounted as shown in the figure, always using the specific device.
Fig. 14
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6.2
The Hardware key
The hardware key is a tool that puts the pc into contact with the machine or that forces the machine to perform the self-test cycle (the operation must be performed by turning the small switch on the device to TEST for at least 5"; the machine carries out a set cycle described in position 35 of the line graph).
Fig. 15
1
1
Slot for introduction of the HW key
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Fig. 16
Fig. 17
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6.3
Autotest
Should the washing machine not be found to be in error, it is possibile to check by means of a Hardware key and using a specific autotest cycle, activated as follows: 1. Take LB to reset (coloured ball) for at least 5" and wait for the led to flash in reset mode 2. Insert the hardware key through the serial socket 3. Turn the switch on the serial key to Test 4. Wait for the hatch to lock and the switch to start turning. 5. Turn the switch on the serial key to PC The machine will carry out the following cycle: · The switch will turn to position 0 (12h if the machine has a delay, programme 1 if the machine does not have a delay) · Wash solenoid valve loads for approx. 10" · Pre-wash solenoid valve loads for approx. 10" · Wash and pre-wash solenoid valves load at the same time until the pressure switch is complete · Heats up to 30° and moves the motor in both directions · Moves the switch forward by 9 turns · Unloads and spins · The switch will turn to one of the reset positions · STOP The test cycle can be repeated as many times as necessary using the same method. The test cycle can be stopped by turning the switch to one of the reset positions.
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6.4
List of Faults LVB 2000 and procedures to follow to solve the problems
For each fault the procedure must be followed step by step in order; obviously once the problem has been solved, the procedure must be stopped. F01: Triac Short Circuit 1. Check effectiveness of contacts on the CNE connector card 2. Check for any water leaks that could reach the CNE contact 3. Check motor terminal board(for any problems due to attacks by chemical work residues on the contacts) 4. Replace card F02: Motor shutdown, Tachymeter in Short/Open 1. 2. 3. 4. 5. 6. Check the effectiveness of contacts on CNE connector card Overhaul motor connector Check continuity of CNE/Motor connector Check motor winding Check Tachymeter winding Replace card
F03: Detection of NTC Open/Short Circuit 1. 2. 3. 4. 5. Check the effectiveness of contacts on CAN connector card Check NTC wiring Check continuity of wiring in CNA/NTC connectors Replace NTC Replace card
F04: Detection of Overflow and Pressure Switch Vacuum at the same time (Pressure Switch blocked on Vacuum) 1. 2. 3. 4. 5. Check the effectiveness of contacts on CN1 connector card Overhaul Pressure Switch contacts Check continuity of CN1 wiring/Pressure switch Replace pressure switch Replace card
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F05: detection of Blocked Pump or Pressure Switch stuck on Vacuum 1. Check the effectiveness of contacts on the CNF connecter card (pump connector) 2. Overhaul the Pump Connector 3. Check Pump Filter 4. Check Pump winding 5. Change pump 6. Replace card F06: Switch error (no code is found) 1. Check the effectiveness of contacts on the CND connector card(switch connector) 2. Check effectiveness of Switch connector 3. Check continuity of Switch/CND 4. Check motor switch 5. Replace switch 6. Replace card F07: Stuck resistance relay 1. 2. 3. 4. 5. 6. Check effectiveness of contacts on CN1 connector card Overhaul CN1 Overhaul resistance connection Replace card Overhaul resistance connection Replace Card
F08: Detection of Lack of Resistance or Pressure Switch Stuck on Full 1. 2. 3. 4. 5. 6. Check effectiveness of contacts on CN1 connector card Overhaul Resistance Connector Overhaul Pressure Switch Connector Replace resistance Replace Pressure Switch Replace Card
F09: Detection of Machine Setup Error 1. Check Microprocessore Version 2. Request Eeprom Spare Part stating Microprocessor version
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F10: Detection of Pressure Switch Vacuum and Full or Pressure Switch neither Vacuum nor Full 1. 2. 3. 4. 5. Check the effectiveness of contacts on CN1 Connector Card Overhaul Pressure Switch Wiring Check continuity of CN1/Pressure Switch Replace Pressure Switch Replace card
F11: Detection of Absence of Pump Feedback 1. 2. 3. 4. 5. 6. 7. Check the effectiveness of contacts on the CN1 Connector Card Check the effectiveness of contacts on the CNF Connector Card Overhaul Pump Connector Overhaul Pressure Switch Connector Check pump Winding Replace pump Replace Card
F12: Lack of Display card-Main Card Communication 1. 2. 3. 4. 5. Check the effectiveness of contacts on CNC Connector Card Overhaul 8-way connector on Display card Check continuity of CNC-CN 8 way connector Replace Main Card Replace Display Card
F13: NTC wiring harness disconnected from the dryer system 1. 2. 3. 4. 5. Check the efficiency of the terminals on the CNA connector board Check NTC wiring harness Check the wiring harness continuity of the CNA / NTC connectors Replace NTC Replace terminal board
F14: Dryer connector open or not connected 1. 2. 3. 4. Check the efficiency of the terminals on the CNI connector board Overhaul CN1 Overhaul connector connection Replace the board
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F15: Dryer connector is always active 1. 2. 3. 4. 5. 6. Check the efficiency of the terminals on the CNI connector board Overhaul connector connection Overhaul the pressure sensor connection Replace the connector Replace pressure sensor Replace the board From Fault F01 to fault F11 These are shown by LEDs in stand by/on in LVB2000 machines Ariston/Indesit. From fault F01 to fault F12 These are shown in a display located on the instrument panel of LVB2000 machines Evolution Indesit. From fault F01 to fault F15 Are those that are indicated according to the version via LED stand by/on or display positioned on the Wash Dry machine Ariston/Indesit panel.
N.B.
6.4.1
Reading the Fault
The fault on the machine is shown by: 1. The continuous rotation of the switch 2. The activation for the first 4", of the solenoid valve and discharge pump 3. The hatch is blocked 4. The LED flashes: the number of flashes is equal to the fault code; l code must be read as follows: · Each rapid flash (2/3 very rapid flashes of the LED) represents a code value. · The fault code is assessed counting the number of flashes in a time of _ seconds one from the other. · The count is stopped when the LB waits for approx. 8/9" between two flashes. · The procedure is repeated cyclically by the machine.
Fig. 18 Esp. F03 1 2 1 2 3 2/3 Rapid Flashes = 1 code Approx. 4" Approx. 8/9" 3
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7
Fig. 19
CONDUCTIVITY SENSOR
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8
DISMANTLING AND REPLACING COMPONENTS
CAUTION When dismantling/replacing the tub components be careful not to lever on the plate tub as it could be damaged irreparably.
8.1
Top
The top is snap fitted to the control panel at the front and is secured to the back of machine with two screws from behind.
Fig. 20
To dismantle the top remove the screws and then slide it horizontally backwards.
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8.2
Microdelayer
1. Using a screwdriver, remove the ring fixing the gasket to the casing
Fig. 21
2. Detach the door seal
Fig. 22
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3. And with a Phillips screwdriver remove the two screws and replace the component
Fig. 23
4. Refit the door seal on the machine and replace the ring fixing the gasket to the casing
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8.3
Control panel
1. Remove the top 2. Extract the component knobs and the programme selector knob lid 3. Remove the internal screw of the programme selector knob 4. Extract the programme selector push-push mechanism 5. Open the detergent drawer and press on the point indicated in the photo to release it
Fig. 24
and then extract the detergent drawer
Fig. 25
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6. Remove the two hopper screws and the two control panel screws
Fig. 26
7. With a Phillips screwdriver dismantle the potentiometers
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8. With a screwdriver lever to release the switch
Fig. 27
By pulling the switch release it from the button Then remove the ON/OFF indicator and the micro opening indicator 9. Extract the programme selector by removing the three screws that secure the bracket to the control panel, and recover the buttons that will be used in the new control panel To reassemble, perform the above operations in reverse order.
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8.4
Top Counterweight
With a 13 mm hexagonal wrench remove the two screws and extract the counterweight.
Fig. 28
8.5
Front counterweight
After extracting the swing element from the casing (see dismantling the TUB CROSS) remove the 8 screws.
Fig. 29
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and extract the counterweight.
Fig. 30
Should it be difficult to extract, lever it with a screwdriver in correspondence with the anchor points of the counterweight to the tub.
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8.6
Driven Pulley
1. Remove the back panel 2. Remove the drive belt 3. Remove the screw on the pulley with a TORX T40 wrench, by blocking the pulley rotation movement
Fig. 31
Bearing in mind that the screw was fixed originally using a sealing material, it might be difficult to release it.
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4. Lever with two screwdrivers and extract the pulley
Fig. 32
In order to ensure that the screw is properly locked it is advisable to apply a drop of Loctite 270 (cod. 001109) on the thread. Once it is fixed thoroughly wait for 3 hours before using the washing machine.
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8.7
Engine
1. Remove the back panel 2. Tilt the machine forwards and lean it in a stable manner. Be careful not to damage the electrical components on the control panel or the microdelayers 3. Dismantle the drive belt 4. Disconnect the motor from the wiring by extracting the terminal board and disconnect the earth wire
Fig. 33
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5. Remove the two 8 mm self-threading hexagonal screws.
Fig. 34
6. Lower the motor and push it towards the back of the machine to extract it
Fig. 35
Recover the three rubber elements and the 2 plastic supports that will be used for the new motor. To reassemble, perform the above operations in reverse order.
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8.8
Temperature Probe
1. Remove the back panel 2. Extract the faston 3. Extract the probe with a screwdriver
Fig. 36
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8.9
Programme Selector
1. Remove the TOP 2. Dismantle the knob and the push-push mechanism by following the operations in paragraph 8.3 Control panel 3. Disconnect the programme selector terminal board 4. Locate the programme disk as shown in the photo
Fig. 37
and press the clamp as shown in the photo, then slide the selector upwards.
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5. Finally, extract the selector by pulling it towards the inside of the machine When remounting the selector make sure that the clamping guides are correctly aligned with the programme selector plate support as shown in the following photo.
Fig. 38
To complete assembly perform the above operations in reverse order.
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8.10
Door Seal
1. Prize off the front seal ring by inserting a small screwdriver between the ring and the seal and using it as a lever
Fig. 39
2. Free the seal from the machine and push it towards the inside of the basket 3. Tilt the machine backwards and lean it on a stable support 4. Release the door ring from the door opening on the casing, using the usual thin-nose pliers (cod. 57902) (see Fig. 40 and Fig. 41)
Fig. 40
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Fig. 41
5. Remove the seal To mount fit the seal onto the lip of the tub lid, checking that the seal is located correctly. In particular the small tongue must be located vertically at the top.
8.11
Module
1. Remove the back panel 2. Remove the screws fastening the module to the casing and extract the module 3. Disconnect all connectors
8.12
Door Handle
1. Remove the screws fixing the door frame and counterframe and separate them. 2. Extract the handle support from its housing 3. Replace the handle To replace, perform the above operations in reverse order.
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8.13
Drainage Pump
1. Lever off the base using a screwdriver on the three fixing points as shown in the following photo
Fig. 42
2. Remove the 4 screws (or if only 1 screw is fitted, remove it and then rotate the pump body) 3. Unhook the pipes 4. Replace the pump
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8.14
Shock absorbers
1. Lean the machine on one side with care 2. With a 10 mm wrench completely unfasten the nut that fixes the shock absorber to the casing
Fig. 43
3. Push the shock absorber on the rod until it comes out of the casing 4. With 17 mm and 15 mm wrenches, remove the screw securing the shock absorber to the group and extract it. To mount the new shock absorber perform the above operations in reverse order.
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8.15
Enlarged Wash Dry
N.B.
The new W&D has been importantly modified in relation to the positioning of the vapour filter, that in the preceding model was positioned inside the tub and therefore difficult to reach in servicing, whereas in the new models the vapour filter has been positioned between the tub and the condenser, thereby simplifying maintenance and servicing interventions.
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Fig. 44 Electrical Connections Models AL68XIT, AL89XIT and AL109XIT
CE006000
BLU BRO RED BRO RED BLU BLU RED RED RED BLU BRO RED RED RED RED RED RED RED BLA BLA RED RED RED RED RED RED RED RED BRO BLA BLA BLU RED
RED
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Key to Wiring Diagram Models AL68XIT, AL89XIT and AL109XIT
AQS B BF BP C CA DV EF/CL EF/L EF/P ER ET EV EVA EVC EVF EVL EVP FA FD FE FRT I I1..2..3.. IA IC ID IE IF IP IR IS L LB LN LS M MC MI ML MO MP MR MT MV MV -Ras Mzbn/M N NC Water Stop Solenoid Valve Buzzer or Door Lock Terminal Board Contacts, fan motor and Drying Resistance Door locking Capacitor Capacitor Two-way switch Cold water/bleach solenoid valve Cold water/wash solenoid valve Cold water/prewash solenoid valve No heating element No Thermostat Solenoid valve Drying solenoid valve Warm water solenoid valve Cold water solenoid valve Wash solenoid valve Prewash solenoid valve Radio interference suppressor Delicate drying thermostat Energetic drying thermostat Thermofuse heating element Reverser Switches/two-way switches ON/OFF NC switch / 1/2 load No Spin switch Hydro-eco or NC switch Spin reduction switch Door switch Line switch Hydro-stop Line or Indicator Low level Normal level Indicator light Mass-earth symbol or drying Motor Spin Motor or Spin Winding Induction motor Wash Motor or Wash winding Junction block Door Microswitch Microdelayer Timer Motor Fan Motor Drying Fan Motor (RA) zbn timer motor Neutral or Terminal board No spin
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P P1 P2 PA PB PL PM PR PS R Ras/RA RE RR RV S SL SO SR ST SV T TA TB TC TFL TG TH TH1 TH2 TH3 THF THR TM TMB TMP TMS TP TPS TR TS TT TTH TV ZBN
Pressure switch 1st level pressure switch 2nd level pressure switch High speed potentiometer Low speed potentiometer Pure wool Motor thermal protection Timer programmer or Pressure switch Drainage pump Heating resistor Drying resistor Relay Heating Element Fan-coil speed regulator Indicator lamp Line indicator Door indicator Heating indicator Temperature selector or Stop with water Spin speed selector Timer contacts Drying timer contacts Low temperature thermostat Cross earth Flange earth Main earth Thermostat 1st temperature thermostat 2nd temperature thermostat 3rd temperature thermostat Operation thermostat Adjustable thermostat Motor earth Base unit earth Motor thermoprotection Thermostop Thermoprotetion or Pump earth Drainage pump earth Heater element earth Safety thermostat or Support earth Earth Timer Thermostat earth Tub earth Timer
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Fig. 45 Functional Diagram Model AL68XIT
SE025800
FAN LINE TOOL MICRO
EMPTY
FULL
NEUTRAL
HALF FIELD
INTERNAL FIELD
On/Off Delay Part.
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Fig. 46 Functional Diagram Models AL89XIT and AL109XIT
SE025900
FAN LINE TOOL MICRO
EMPTY
FULL
NEUTRAL
HALF FIELD
INTERNAL FIELD
On/Off Delay Part.
COND. SENSOR
Service Manual WASHING MACHINE 2000
Line
PILOT CONDUCTIVITY SENSOR
Neutral
Sensor
Earth
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L
N
11
16
1
KEY FOR CONNECTORS
X
12
14
1
=A =C
X
3
AQS
EVA
EVL
EVC
EVP
FAN
MICRO
FULL
NEUTRAL
B2
Wa sh Dry.
1 4
7 3 1
1 2 3 4 5 6 7 8 S In S Out Vcc
Merloni Elettrodomestici
IB
2 2 3 4 5 6 8 1
B2X
EMPTY
2
1
4
5
6
7
3
8
8 8 7 6 5 4 1 2
4
5
6
GND
Rx
LINE
1 3
TF
On/Off Delay Part
COND. SENSOR
1
PART KK
1 2 3 4 5 6 7 8
MT1
MT2
COM
BIT2
BIT3
BIT4
BIT0
Language Issue/Edition
BIT1
EVC EVA AQS Buttons On/Off Delay Part Conductivity Sensor Potentiometers/Buttons Overflow Device
PILOT CONDUCTIVITY SENSOR
Service Manual WASHING MACHINE 2000
=D =E =F
X X
I1
S.L.
HALF FIELD
3 4
5
INTERNAL FIELD
1
B3
GND
S.O.
P
B3
C
L
A
AQS
Test
5
3
9
10
7
2 3
1
Fig. 47 Operation Chart LVB2000 Models with Hybrid Timer
7
8
2
2
4
5
6
7
8
M
T
R
Rx
8
GND
7 6
R A R R TF
KK
GND
5
Sensor
4 3
Neutral
2
GB
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Merloni Elettrodomestici spa
viale Aristide Merloni, 47 - 60044 Fabriano tel. 0732/6611 - telex 560196 - fax 0732/662954 www.Merloni.com
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