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Electrolux EDR 2000, Service Manual

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Electrolux EDR 2000 Service Manual Download Page 23

- 23 -

06.2005   R.Kurzke

599 522 797 EN

7.18

Simple disassembly of chassis and drum section for
servicing work

(Belt replacement – access to the heat pump circuit)

Simplest and quickest method:

-

remove side walls

-

remove the attachment screws (S) from the rear wall on the underside of the slot and on the
upper strut

-

draw out the condensate hose

-

if appropriate, unplug the electrical connections.

The complete rear wall, complete with drum,
can now be removed.

All functional parts are accessible.

S

S

S

S

Summary of Contents for EDR 2000

Page 1: ...nhofer Straße 135 D 90429 Nürnberg Germany Fax 49 0 911 323 1022 DGN TDS N Electrolux Publ Nr 599 52 06 2005 R Kurzke Ausgabe Publ Nr 599 522 797 EN SERVICE MANUAL DRYER HEAT PUMP DRYER EDR 2000 HEAT PUMP DRYER EDR 2000 ...

Page 2: ...r 16 7 4 Compressor cooling fan 17 7 5 Door switch Door lock 17 7 6 Drum light 17 7 7 Work top 18 7 8 Control panel 18 7 9 Elektronic module 18 7 10 Side panels 19 7 11 Motor area Water channels 19 7 12 Pump unit floating switch 20 7 12 1 Canister filling pump 20 7 12 2 Float 20 7 12 3 Floating microswitch 20 7 13 Drum motor 21 7 14 NTC sensor 21 7 15 Brush conductimethc sensor 22 7 16 Rear brush ...

Page 3: ... lock F push down slightly and remove from the front of the machine Disconnect cable connector from door lock F Press snap in button G in and down press cover down slightly and remove from front ofthe machine Disconnect cable connector from cover G Change door lock F over to the opposite side insert the cable connector and screw down the door interlock 0n the other side insert the cable connector ...

Page 4: ... 4 06 2005 R Kurzke 599 522 797 EN 2 Structure Control components Base door to fine particle filter Remainingmoisture ...

Page 5: ...selecting the desired option s press this bufton to start the cycle The corresponding LED as well as the drying phase LED remains lit Pause lf START PAUSE is pressed while a drying cycle is being performed the dryer interrupts the cycle and the appliance goes to PAUSE mode the corresponding LED flashes Certain options may be modified while the appliance is in PAUSE mode Press START PAUSE again to ...

Page 6: ... small volumes of less than 1 kg LEISURE 6kg x x x Special programme for leisure clothing such as jeans sweat shirts etc of different material thicknesses e g at the cuffs and seams EASYIRON 1kg x x Special programme with anti crease mechanism for easy care textiles such shirts and blouses for minimum ironing effort The result depends on the typ and quality of textiles the loading volume correspon...

Page 7: ...our which is compressed by a multiple and at the same time heated The compressor discharges the heat in the liquefier 4 This in turn heats the air sucked in by the fan 6 and the now dry air which is readmitted through the drum and takes up moisture Thecoolingagentbecomesliquidagainanddischargessufficientpressureandtemperaturethroughthecapillarytube 5 such that heat can again be taken up in the eva...

Page 8: ...or 3 Evaporator 4 Liquefier 5 Capillary tube 6 Fan 7 Collection chamber and floating switch 8 Condensate pump 2 3 5 7 8 4 6 1 2 3 4 5 6 7 8 drummotor cold dry air hot moist air hot dry air 4 2 Structure Fan Dryingair Liquefier Evaporator Fine particle filter ...

Page 9: ...edtothekeys which are mounted on the electronic PCB Corresponding LEDs transmit light signals to the surface of the control panel by means of the light conductor AnadditionaldisplayismountedontheEDR2000intheformofan additional display PCB wit LEDs and a 7 segment light conductor head room are mounted on the light conductor unit Lightconductor unit with touch plungers Push buttons Display PCB 7 seg...

Page 10: ...rs 0 Doorswitch Doorswitch Moisturesensor Drum brush Buzzer Funktion key Motor Motor Pump Compr cooling fan Motor Pump Fan motor Compr cooling fan Drum light Drum light Rotary selection switch Configuriation interface Microswitch Float 5V Microswitch Float NTC 5V NTC to display PCB 5 1 2 Main board ...

Page 11: ...tronic board via a relay which determines the direction of rotation and a triac The motor condenser 9uF is mounted on the cover of the condensate pump and the floater chamber 5 3 Compressor cooling fan Axial fan fitted with ball bearings power consumption 23 watts 2600 3000 rpm Compressormotorcondenser 16uF 400V The compressor drives the cooling agent R134a circulation of the heatpump Powerconsump...

Page 12: ...measure the resistance across the following terminals 5 5 Canister filling pump The pump is actioned by a synchronous motor with a power of about 17W The function of the motor is to pump the condensation water from the sump to the canister The pump too is powered by a triac The resistance of the stator winding is approximately 750 Ohm 5 6 Process blower fan The fan for transporting the air is scre...

Page 13: ... This changesifmoistwashingbetweenthedrum and the drum ribs offers a measurable impedance The impedance value amounts to approximately1M 25Mandisconvertedin an oscillation of between 260Hz OHz these being read and evaluated by the electronic circuit Fuzzy Logic this determining the duration and ultimate level ofthewashingmoistureinaccordancewith the selected program 1 2 3 4 5 6 7 5 2 Thenew carbon...

Page 14: ...ctorrotated ON OFF closed It is positioned above the door opening and is closed by means of a plunger when the door is closed 5 10 2 Door lock The door closure of the heat pump drier is purely mechanical Thedoorlockingsystemisfittedwithachildprooflock Incaseofemergency thedoorcanbepushedopenfromtheinside Door switch Micro switch Tappet Rastblech ...

Page 15: ...ng the contacts of the microswitch 9 This causes the microprocessor to interrupt the drying cycle and to warn the user by sounding the buzzer and lighting the CANISTER FULL pilot light The NTC sensor 11 measures the temperature of the air inside the appliance while the conductimetric sensor 12 determines the degree of humidity of the fabrics The microprocessor constantly monitors the correct opera...

Page 16: ...nt of the evaporator liquefier unit can be removed using the handle after the slot door is opened The filter insert can be withdrawn upwards A further filter below the fine particle filter drawer serves to prevent fluff which gathers in the slot or in the collection dish during the drying sequence from entering thecondensedwater 7 1 Door To remove the door loosen the screws with which the door is ...

Page 17: ...n is plugged in next to this to the right Door lock Remove the screw release the door lock and remove it by pulling it forwards Locking nose and door plunger Remove by disengaging and releasing it 7 6 Drum light The bulb can be replaced from inside the drum as follows Remove the cover by screwing Unscrew the bulb from the bulb holder When replacing the cover ensure that the sealing n ng i s correc...

Page 18: ...he front cover from the housing and turn it forwards Unplug the cabling of the display electronics The light duct becomes accessible The display module and the locking bolt can be released from the cover if required 7 9 Main elektronic Remove the operating panel Ensure that the program selector is set to 0 Off Remove the grooved pin 1 from the program selector Press against the locking hook 2 of t...

Page 19: ...water channels Access to the motor area and the water channels is from the right side The condensed water is pumped upwards to the water receptacle 2 through the red hose 1 If this is full it flows over 3 and the water is led into the float chamber via the transparent hose 4 The condition is reported to the electronics system via a micro switch above the float See the next page 1 1 2 2 2 3 4 1 ...

Page 20: ...bly mounting are the motor condensers C of compressor and drum motor The whole mounting is screwed to the floor pan with two screws 7 12 1 Condensate pump 3 The condensate pump is clipped into the assembly mounting The electrical connection lugs are located above 7 12 2 Floater microswitch 5 The floater microswitch 5 is screwed in below the assembly mounting When the assembly is reinstalled care m...

Page 21: ... released downwards TheNTCcanthenberemoved upwards 1 2 2 1 3 1 7 13 Drum motor 1 Unhook the belt tensioner springs 2 This releases the belt tension pulley 3 which is attached to the motor Rotate the motor t face the interior of the device The belt 4 is then freeandcanberemoved Release the screws S fastening the front and rear mounting brackets 5 of the motor angle the brackets upwards and remove t...

Page 22: ...ew which secures the drum spindie cover Rotate the drum cover until it is released from the anchor in the lower section The brush is located inside the protectivecover 7 17 Rear air channel with fan 1 4 2 5 6 7 3 After releasing all screws 1 the complete rear air channel 2 with fan 6 can be removed The electrical connection runs through the correspondingconnectionopenings 8 over a plug connector A...

Page 23: ...at pump circuit Simplest and quickest method removesidewalls remove the attachment screws S from the rear wall on the underside of the slot and on the upperstrut draw out the condensate hose if appropriate unplug the electrical connections The complete rear wall complete with drum cannowberemoved All functional parts are accessible S S S S ...

Page 24: ...surface using 1 gr of silicone oil part code 5023 72 70 00 9 7 20 Duct rollers Remove the work top Remove the rear panel cover Remove the rear panel Remove the drum Remove the screws which secure them to the duct 7 19 Air duct Removethedrum Loosen the screws with which the air duct is mounted on the hinges and the hinge panels Remove the air duct Front air seal The front seal can be simply slided ...

Page 25: ...etermined in the measurement record below the heat pump will function correctly and deliverthecorrectpower In the event of significant variations there may be a defect 1 Liquefierinput 2 Liquefieroutput 3 Evaporatorinput 4 Evaporatoroutput 1 2 3 4 Cotton EXTRA DRY Evaporator input Evaporatoroutput Liquefier output Liquefier input ...

Page 26: ...ive it is possible to connect a separate filling tube with valve 6 to the filling pipe 5 provided on the compressor 8 4 Filling The cooling agent can be filled directly from the cooling agent bottle using a special balance 7 The cooling agent R134a is supplied in disposablecartridges When filling the compressor must be switched off and the personal protective equipment must be worn 8 3 Evacuating ...

Page 27: ...controlled in any way Selecting DEMO mode The appliance must be switched off Switch on the appliance by turning the Programme selector two positions clockwise Gleichzeitig die Taste START PAUSE und die Taste links davon unabhängig von der Konfiguration der Elektronik mindestens 5 Sekunden lang drücken bis die LED über der linken Taste blinkt Select the various options Press START PAUSE to Start th...

Page 28: ...g component diagnostics testing lf an alarm should be displayed turn the programme selector to the first position to exit the alarm situation and then continue the testing cycle if the alarm is not repeated In order to check for correct operation of the floating switch and the pump models with canister in the upper section the sump is filled with approximately 0 7 litres of water For correct contr...

Page 29: ...97 EN 9 3 After sales test programme Compressor cooling fan Ventilation fan Motor Compressor cooling fan Compressor cooling fan Compressor cooling fan Ventilation fan Compressor Motor triac Compressor cooling fan Float micro switch ...

Page 30: ...ograms specified into SCF file Wrong configuration Cycle Stopped Reset EB1 Power supplyfrequencyout of limits Power supply period lower higher than configured values Wrong or disturbed Power Supply line Main board defective Cycle stopped by power fail management EB2 Power supplyvoltage too high MAIN_V sensing input voltage value on microprocessor to 5V Wrong or disturbed Power Supply line Main boa...

Page 31: ...inues to flash as long as the two buttons are held down The appliance continues the cycle while the alarm codes are being displayed If the appliance is in Programme selection mode the options previously selected are stored in memory Cancelling the last alarm memorized It is good practise to cancel the alarm code from memory After reading the alarm to check whether it is repeated during the diagnos...

Page 32: ...ht 4 Compressor motor 4 1 Condenser compressor 5 Drum motor 5 1 Condenser drum motor 6 Fan motor 6 1 Condenser fan motor 7 Compressor cooling fan 8 Main switch 9 Floater micro switch 10 Canister filling pump 11 NTC 12 Brush conductimethc sensor 13 Display electronic module 14 Main electronic module ...

Page 33: ... 33 06 2005 R Kurzke 599 522 797 EN 10 2 Wiring 2 ...

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