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SERVICE MANUAL

WASHING



ELECTROLUX HOME PRODUCTS

ITALY S.p.A.

Spares Operations Italy
Corso Lino Zanussi, 30

Publication

number

I - 33080 PORCIA /PN (ITALY)

599 37 38-46

Fax +39 0434 394096

Edition: 2005.11.03

EN/dmm

Washing machines

P6000 (Nexus) Series

Structural characteristics,

electrical components and

accessibility

Production: THR

RAYONG- Thailand

Содержание Nexus 6000 Series

Страница 1: ...erations Italy Corso Lino Zanussi 30 Publication number I 33080 PORCIA PN ITALY 599 37 38 46 Fax 39 0434 394096 Edition 2005 11 03 EN dmm Washing machines P6000 Nexus Series Structural characteristics electrical components and accessibility Production THR RAYONG Thailand ...

Страница 2: ...2005 11 dmm 2 60 599 37 38 46 ...

Страница 3: ...mperature 17 3 9 Washing machine programmes 18 3 10 Control panel 19 3 11 JETSYSTEM washing system 20 3 11 1 Jetsystem DIRECT SPRAY washing system 20 4 STRUCTURAL CHARACTERISTICS 21 4 1 NEXUS technology 21 4 2 Base 21 4 3 Control panel support 22 4 4 Cabinet 22 4 5 Door 23 4 6 Washing groups 24 4 6 1 Damper 24 4 6 2 Washing group in Carboran 25 4 6 3 Drum 26 4 6 4 Drum rotation drive belt 27 4 7 D...

Страница 4: ...rature sensor integrated in the heating element 46 5 10 1 General characteristics 46 5 10 2 Electrical symbol 46 5 11 Drain pump 47 5 11 1 General characteristics 47 5 11 2 Electrical symbol 47 5 11 3 Checking for efficiency 47 5 12 Circulation pump 48 5 12 1 General characteristics 48 5 12 2 Electrical symbol 48 5 12 3 Checking for efficiency 48 6 ACCESS TO COMPONENTS 49 6 1 Work top 49 6 1 1 Pre...

Страница 5: ...7 3 Front counterweight 56 6 8 Drum lifter 57 6 9 Access to the pumps manifolds 58 6 9 1 Drain pump standard version 58 6 9 2 Drain pump 58 6 9 3 Circulation pump 59 6 9 4 Drain filter body 59 6 9 5 Base 59 6 10 Front cabinet shell 60 ...

Страница 6: ...drum In addition spin tests without washing must be performed with care and for short periods only The front panel alone is not sufficient to maintain the balance of the appliance during spinning Certain metal components inside the appliance may have sharp edges Care should be taken to avoid cuts or abrasions Before laying the appliance on the floor always drain any water by removing the filter or...

Страница 7: ...m the fabrics the dirt must not re deposit but must be held in suspension 4 Elimination of the dirt by means of draining and rinses 3 1 1 Results of the wash In order to obtain satisfactory washing results it is necessary to know the nature of the fibres the nature of the soiling the hardness of the water the products used for the wash detergent conditioners bleach etc and then to select the appro...

Страница 8: ...er quantity of water Maximum temperature 40 C Minimum mechanical agitation short times Cellulose vegetable fibres Alkaline Base detergents Bleach if used Sodium hypochlorite NaClo High water temperature if OK for coloureds for linen if heavily soiled bleaching is preferable to washing at high temperatures Normal quantity of water Vigorous and prolonged mechanical action Spinning Artificial chemica...

Страница 9: ...at 60 C Wash at 40 C Wash at 30 C Delicate hand wash DO NOT WASH BLEACH May be bleached in COLD water DO NOT BLEACH IRONING Hot iron max 200 C Medium iron max 150 C Cool iron max 110 C DO NOT IRON DRY CLEANING These symbols are used by the dry cleaner to identify the correct solvent and cleaning process for each garment to be dry cleaned DO NOT DRY CLEAN DRYING Can be dried in a tumble dryer DO NO...

Страница 10: ...e mechanical action of the appliance is produced by the combination of clockwise anti clockwise rotation of the drum which agitates the wash load in the washing solution This action tends to transfer the dirt from the fabrics to the washing solution water chemical products The mechanical action may be VIGOROUS or DELICATE Vigorous drum movement in alternating directions clockwise and anti clockwis...

Страница 11: ...e tap supplying the appliance ferrous residue will be deposited after only a few days This is one of the major obstacles to achieving a satisfactory washing result 3 6 2 Hardness of the water According to current conventions the hardness of the water refers to the concentration of calcium and magnesium ions In general a distinction is made between total hardness permanent hardness temporary hardne...

Страница 12: ...rics Increase of scale formation on the heating elements Hard water may cause the formation of incrustation on mechanical parts due to the presence of carbonates sulphates and alkaline terrous metal silicates This may also lead to a considerable reduction in the efficiency of the appliance since the reaction is endothermic in other words the increase in temperature favours the formation of carbona...

Страница 13: ...acilitating the penetration of the washing solution into the fabrics to dissolve the dirt These agents disperse and emulsify the dirt and grease which are then held in suspension in the washing solution 3 SILICATES alkaline substances that improve the washing result protecting the fabrics or dishes and the appliance itself from corrosion Not aggressive to the skin 4 ANTI FOAM regulator the correct...

Страница 14: ...issociate the proteins improve the results of the wash considerably In addition enzymes vertically break down scale incrustations deposited on the appliance thus helping to detach the alkalis present in the detergent 2 STABILIZING AGENTS These are chemical products designed to control the uniformity of the bleach by stabilizing the washing solution 3 CMC CMC is used to hold the dirt in suspension ...

Страница 15: ...ion it considerably reduces the capacity of the fabrics for absorption The hardness of the water not only reduces the washing power of the detergent but also reduces the softness resistance and whiteness of the fabrics washed When hardening agents such as Ca calcium and Mg magnesium react with certain components of the detergent the fabrics may become encrusted calcium and detergent deposits after...

Страница 16: ...reatment but always followed by a wash using detergent It may be used at all temperatures and during the wash together with detergent or poured directly onto the fabrics 3 7 6 Bleaching Bleaching is generally performed after the wash by hand or in a machine except in the case of wine tea or coffee stains etc Light sensitive stains tomato etc if appearing on the fabrics after the wash may disappear...

Страница 17: ... temperature in the various phases of the washing cycle reduces the cohesion of the dirt facilitates the suspension of the dirt in the water facilitates the reaction of the alkalis swelling the fabrics so that the dirt is dissolved more easily High temperatures do not facilitate the removal of all types of dirt in fact blood egg yolk milk etc are more easily removed if washed in cold water if hot ...

Страница 18: ...ion of bleach for cotton linen only 2 Cold wash 3 Drain 4 Brief intermediate spin if selected cotton linen only 2nd 3rd rinse 1 Water fill 2 Cold wash 3 Drain 4 Brief intermediate spin if selected cotton linen only Final rinse softener 1 Water fill to softener compartment 2 Cold wash Rinse hold 1 In cotton linen cycles the programme generally passes to the subsequent phase it stops with water in t...

Страница 19: ...7 38 46 3 10 Control panel The plastic control panel is secured to the control panel support by anchor tabs and one or more screws The shape of the control panel depends on the styling with LCD display with DISPLAY or without ...

Страница 20: ...ed by the solenoid valve its level is controlled by a pressure switch The water present in the bottom of the tub is circulated by a pump which ducts it to the fabrics through an aperture in the bellows seal ª The mechanical action is provided by the bi directional rotation of the drum at low speed the wash load is continuously rotated inside the drum by three drum lifters 3 11 1 Jetsystem DIRECT S...

Страница 21: ...t 4 Washing group 5 Suspension spring 6 Conveyor 7 Work top 8 Control panel support 9 Front cabinet 10 Control panel 11 Detergent drawer 12 Door 4 2 Base 1 Base 2 Filter body 3 Drain pump 4 Circulation pump 5 Dampers 6 Inverter only some models The base is built in CARBORAN a specially developed plastic As well as the two cabinet shells the filter body drain pump dampers and if featured the circul...

Страница 22: ...shbuttons switch capacitor pressure switches detergent dispenser and control panel Also secured to the support are the two suspension springs for the washing group 4 4 Cabinet The cabinet consists of two half shells in enamelled sheet metal which are secured to a Carboran base The support cross member in galvanized sheet metal is screwed to the upper section of the cabinet The work top is screwed ...

Страница 23: ...gnment with front panel differently styled surrounds type of aperture various handles 1 Front surround 2 Door glass 3 Rear surround 4 Hinge 5 Handle 6 Handle spring 7 Pin 8 Latch 9 Latch spring 10 Flange 4 5 1 1 Handle assembly 1 Handle 2 Hinge pin 3 Latch 4 Latch spring 5 Handle spring certain models only ...

Страница 24: ...cross member by two helical springs The oscillation of the washing group is absorbed by the two dampers attached to the base Balancing of the washing group is provided by a front counterweight in cement 4 6 1 Damper 1 Rubber vibration damper 2 Shaft 3 Shaft seals 4 Cylinder 5 Rubber vibration damper ...

Страница 25: ...elastic ring 1 Front half shell 2 O ring 3 Rear half shell 4 Drum 5 Front counterweight 6 Counterweight anchor screw 7 Bellows seal 8 Ring securing the seal to the tub 9 Ring securing the seal to the cabinet 10 Rear counterweight 11 Washing group suspension springs 12 Damper 13 Damper hinge pin Half shell anchor screws 4 6 2 1 Support for bearings 1 Rear tub shell 2 Bearing support 3 Drum shaft 4 ...

Страница 26: ...imped Three Carboran lifters are pressure fitted to the internal face of the drum The drum spider in aluminium alloy is secured to the edge of the drum by screws A brass bushing is pressure fitted to the drum shaft 1 Drum casing 2 Flange 3 Drum lifter 4 Drum spider 5 Screws 6 Drum shaft 7 Drum shaft bushing Drum spider ...

Страница 27: ...length based on the belt mounted on the pulleys which is calculated according to the following parameters D diameter of drum pulley de diameter of motor pulley I centre line distance between the pulleys For a given working length the belts which consist of different materials have a different degree of elasticity This means that when not fitted to the appliance their lengths may be different It is...

Страница 28: ...etergent drawer may consist of 3 or 4 compartments 1 Fill hose 2 Seal 3 Solenoid valve support 4 Cable clamp 5 Water fill solenoid cold 6 Hose 7 Dispenser nozzle 8 Dispenser conveyor 9 Steam exhaust hose 10 Additive syphon 11 Detergent drawer 12 Clamp 13 Detergent fill hose Water duct with four compartments 2 or 3 way water inlet nozzle 3 or 4 compartment detergent drawer Water duct with four comp...

Страница 29: ... d is used to contain the conditioner which is introduced at the beginning of the final rinse Water fill to pre wash and bleach compartment Pre wash solenoid valve In EWM1000 models with 4 compartment detergent dispensers water is ducted into compartments a and c though not at the same time 1 f the user selects the pre wash option water is ducted through compartments a and c at the beginning of th...

Страница 30: ...r knob 6 Drain pump 7 Pump cover 8 Circulation pump intake tube 9 Circulation pump 10 Pump cover 11 Circulation tube 12 Pressure chamber Drain filter This drain system is self cleaning the filter traps only objects of a certain size The drain tube is used to empty the drain circuit The pump impeller can be inspected after unscrewing the filter ...

Страница 31: ...mbols 5 1 3 Circuit diagrams 5 1 4 Checking for efficiency THE APPLIANCE GENERATES RADIOFREQUENCY DISTURBANCE check the efficiency of the earth circuit THE APPLIANCE IS INOPERATIVE Use an ohmmeter to check that the component is not faulty across 1 3 about 0 Ω across 2 4 about 0 Ω THE ELECTRICAL SAFETY CUT OUTS INTERVENE use an ohmmeter capacitance meter to check that the component is not short cir...

Страница 32: ...y closed switch Normally open switch Deviator 5 2 3 Checking for efficiency DOES NOT POWER THE APPLIANCE OR DOES NOT PERFORM THE SPECIFIC FUNCTION Use a tester to check for correct closure or aperture of the various contacts Press the button and check for switching of the contacts IMPOSSIBLE TO ACTION THE BUTTON Check that the spindle is not broken and that there are no other mechanical problems f...

Страница 33: ...s of the main switch are closed thus powering all the electrical components At the end of the programme the PCB sends two signals at an interval of 200 msec duration 20 msec the first signal moves the camme by another position though the latch is not released the second signal which is sent only if the system functions correctly moves the camme by a further position which causes the latch to retra...

Страница 34: ...ves as a current limiter i e overheating cut out in the following cases If the triac on the main PCB is short circuited If the START PAUSE button is pressed repeatedly more than 10 times 5 3 3 Electrical symbol 5 3 4 Circuit diagram 1 Main switch 2 Solenoid valve 3 PTC protective solenoid valve cut out 4 Bi metal PTC 5 Connector ...

Страница 35: ...solenoid valve The cold water solenoid valve is fitted to all models and has a nominal delivery of about 6 5 9 5 litres per minute The water pressure must be between 3 and 100 N cm2 5 4 2 Electrical symbol 5 4 3 Checking for efficiency WATER FILL CONTINUES WHEN THE APPLIANCE IS SWITCHED OFF Solenoid valve jammed mechanically Replace the solenoid valve WATER FILL CONTINUES DURING THE WASHING CYCLE ...

Страница 36: ...ed via a small tube to the pressure chamber When water is introduced into the tub the pressure in this chamber increases When the pressure reaches a pre determined level the membrane causes the contact strip to trip rapid action which switches the contact from empty to full Two regulation screws are fitted to the cover one for the level the other for the differential i e the point at which the str...

Страница 37: ... diaphragm is reduced The diaphragm is pushed downwards by the counterspring until the switch resets i e returns to the empty position 5 5 3 Electrical symbol 1 Common contact 2 Contact closed on empty 4 Contact closed on full 5 5 4 Circuit diagram 11 21 31 Common contact 12 22 32 Empty contact 14 24 34 Full contact 5 5 5 Checking for efficiency Correct operation of the pressure switch depends on ...

Страница 38: ...principle 1 Air intake tube 2 Membrane 3 Coil 4 Electronic circuit oscillator 5 Core 6 Spring 7 Calibration spring 8 Connector The pressure switch is connected via tube to the pressure chamber When water is introduced into the tub this creates a pressure inside the hydraulic circuit that causes the membrane to change position This movement of the membrane modifies the position of the core inside t...

Страница 39: ... EWM2000EVO EWM3000NEW control system 5 6 5 Checking for efficiency In the event of a fault in the pressure switch the operation of the appliance is immediately interrupted Where possible always read the alarm code Possible alarm codes caused by faults in the pressure switch EWM2000 EWM3000NEW E31 E32 E33 E34 E35 ...

Страница 40: ...tegral rotor to the shaft made up of a group of magnetic blades including also normally die cast aluminium a circuit called squirrel cage because it consists of a series of bars forming a cylinder between two rings When the stator generates a rotating magnetic field electrical currents are inducted into the cage These opposing to the generator field produce a twisting movement to the rotor The max...

Страница 41: ...il 10 Magnet 11 Spring 5 8 2 Operating principle The stator winding is connected in series to the rotor winding i e they are energized in series Each section of the rotor winding is connected to a pair of commutator plates also called commutators The electrical contact between the commutator and the fixed circuit is provided by two brushes which slide in contact with the commutator plates The spee...

Страница 42: ...1 and A2 anodes takes place in the presence of the appropriate signals received by the gate G 5 8 2 2 Direction of motor rotation The direction of rotation of the motor depends on the way in which the rotor and stator are connected together This connection is performed by two of the timer contacts or by the relays on the PCB Clockwise rotation Counter clockwise rotation EC Electronic control syste...

Страница 43: ...hometric generator consisting of a magnet fitted to the shaft and a coil generates a voltage that depends on the speed of the rotor which is transmitted to the electronic control system All electronic control systems feature a system of protection which may be more or less refined to prevent operation of the motor in the event of a fault in the tachometric generator M Electronic control system P M...

Страница 44: ...nst the values shown in the table below Terminals on motor connector block Components to be checked Motor Ω 3 4 Tachometric generator winding 184 5 10 Stator winding full range 1 23 6 7 Overload cut out 0 8 9 Rotor winding 1 72 excluding the resistance of the brushes Notes When checking the rotor winding measurement should be effected around the entire surface turning the spindle very slowly and c...

Страница 45: ... flange 4 Nut 5 Heating element terminals 6 NTC Sensor 5 9 2 Electrical symbol 5 9 3 Checking for efficiency DOES NOT HEAT check that the heating element is not broken measure the resistance across the two terminals INTERVENTION OF ELECTRICAL SAFETY CUT OUTS use an ohmmeter to check that the heating element is not connected to mass and check for current leakage 40 MΩ WATER LEAKS check that the sea...

Страница 46: ... increases This reduction in resistance is detected by the electronic control system which when the desired temperature is reached disconnects the heating element 1 NTC resistor 2 Metal capsule 3 Terminals 4 Plastic casing RESISTANCE Ω TEMPERATURE ºC Rated value Maximum value Minimum value 20 60 80 6050 1250 640 6335 1278 620 5765 1222 660 5 10 2 Electrical symbol Checking for efficiency Use a tes...

Страница 47: ...se movements until the blockage is removed These pumps have a delivery of about 22 25 litres per minute and a maximum head of 90 cm 5 11 2 Electrical symbol 5 11 3 Checking for efficiency 1 Check that the impeller is not jammed and check for slippage 2 Check the resistance of the stator winding which should be approximately 150 200 Ω Important If caused to run empty i e disconnected from the hydra...

Страница 48: ... check for slippage 2 Check the resistance of the stator winding which should be approximately 150 200 Ω WATER IN THE BASE AND ON THE FLOOR Check the seals on the duct thermostat holes Important If caused to run empty i e disconnected from the hydraulic circuit synchronous pumps may fail to start up This is because due to their structural characteristics they require a counter torque on the impell...

Страница 49: ...and pull towards the rear d Detach the pressure switch tube 6 1 2 Suppressor a Remove the work top b Detach the wiring support from the crosspiece and move downwards 3 c Remove the suppressor d Detach the wiring connectors 6 1 3 Solenoid valve a Remove the work top b Unscrew the water fill hose from the solenoid valve c Detach the wiring connector d Detach the solenoid valve from the support 4 e R...

Страница 50: ...nd lift the control panel support slightly Fig 8 6 2 1 Push button a Remove the control panel b Using a screwdriver widen the pushbutton anchor pin and remove the pushbutton c Remove the pushbutton Using pliers close the anchor tabs which secure the button to the cross member and push towards the interior of the appliance d Detach the connector 6 3 Electronic control 6 3 1 Main electronic control ...

Страница 51: ...g 10 c Detach the connector d Detach the tube 6 4 Access from the door 6 4 1 Door a Remove the two screws which secure the door to the hinge Fig 11 b Remove the screws which secure the surround flange if present and detach the flange from the surround c Remove the glass door panel d Remove the handle latch assembly Re assembly e Position the handle assembly in its housing in the flange so that the...

Страница 52: ...ation tube Fig 14 c Remove the seal and the ring by pulling downwards it is held in position by an elastic ring Re assembly a Use soap and water to lubricate the seat of the seal where it comes into contact with the flange and the metal ring b Fit the seal to the flange with the drainage hole at the bottom and the internal reference notch at the top Fig 15 c Replace the metal retaining ring check ...

Страница 53: ...the shell is removed never lay the appliance on its sides or on its back since this might damage the internal structure 6 5 1 Motor a Remove the rear cabinet shell b Detach the wiring connectors c Remove the rear screws which secure the motor and loosen the front screws Fig 21 d Loosen the motor from the supports Fig 22 e Remove the front screws and remove the motor 6 5 2 Heating element a Remove ...

Страница 54: ...t crosspiece Fig 27 and at the same time push the detergent dispenser towards the rear i Lower the washing group and pull the dispenser out 6 5 4 Removing the duct from the dispenser a Remove the dispenser b Release the clamp and the anchor tabs for the duct from the lower part of the dispenser Fig 28 From inside the dispenser the engineer can access a The water intake nozzle which is removed by l...

Страница 55: ...ig 31 d Detach the various hoses from the tub dispenser tub steam venting hose tub manifold etc e Remove all the wiring connectors from the components fastened to the tub motor heating element thermostats and if present the bulb of the adjustable thermostat f Remove the motor to lighten the tub g Remove the fixing screws and remove the rear counterweight h Lay the appliance face down on a sheet of...

Страница 56: ...aling ring Fig 33 Check that the drum shaft bushing is undamaged otherwise replace the drum spider or the drum itself 6 7 2 Drum spider a Remove the screws which secure the spider to the drum b Use two narrow chisels to remove the spider from the drum band When re assembling a Replace the spider on the drum ensuring that the fixing holes are correctly aligned b Insert the spider into the seat in t...

Страница 57: ...for G17 tubs into the second hole of the lifter b Bend the drum anchor tabs as shown in the figure 34 c Pull the drum lifter towards the door of the appliance and detach from the drum Fig 35 Re assembly a Check that the anchor tabs are parallel with the drum band b Insert the new lifter into the drum and push towards the rear of the appliance c Detach the hose connecting the tub to the filter body...

Страница 58: ...etach the wiring connectors When re assembling ensure that the OR seal is fitted to the pump To facilitate insertion lubricate with vaseline or silicone oil Check that the pump is correctly housed in its seat in the filter body 6 9 2 Drain pump Access to the pump is from the base of the appliance a Remove the cover b Detach the connectors c Press down the anchor tab Fig 38c d Turn the pump counter...

Страница 59: ...ws which secure the front shell to the base Fig 41 f Raise the base in order to detach the filter body from the front shell g Release the tabs which anchor the filter body to the base Fig 37 h Remove the drain pump i Remove the filter body 6 9 5 Base a Remove the rear cabinet shell b Remove the pins which secure the dampers to the base c Cut the fixing ties and detach the wiring d Lay the applianc...

Страница 60: ...crosspiece to the front cabinet shell n Lift the crosspiece and slide the front cabinet shell from the base When re assembling Replace the front cabinet shell and check that it is correctly inserted into the guides in the base Fix the screws of the base from the bottom of the appliance Place the appliance in the upright position taking care not to damage the structure Replace the screws which secu...

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