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Summary of Contents for Electrolux AEG ENV06
- Page 1 SERVICE MANUAL DRYERS Condenser dryer with electronic control © Electrolux Home Products Italy Inverter motor S.P.A Publication no. Corso Lino Zanussi, 30 ENV06 AEG I-33080 Porcia - PN - 599 71 49 26 Fax 0039 - 0434 394096 Edition: 01/2009 Rev 0.0...
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Page 2: Table Of Contents
CONTENTS INTRODUCTION ............................5 1.1 Purpose of this Manual ........................5 1.2 Important............................5 1.3 Installation............................5 TECHNICAL CHARACTERISTICS......................6 2.1 Technical data ........................... 6 2.2 Electronic boards ..........................7 CONTROL PANEL............................. 8 3.1 Stylings .............................. 8 3.2 Programme selector .......................... 8 3.3 Pushbuttons............................ - Page 3 Electrical circuit ............................32 DIAGNOSTICS SYSTEM ........................33 8.1 Access to diagnostics ........................33 8.2 Exiting the diagnostics system......................34 8.3 Selector positions for diagnostics on conductimetric appliances............. 35 ALARMS ..............................37 9.1 Displaying the alarms to the user ....................37 9.1.1 Alarm display during normal operation ...................
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Page 5: Introduction
1 INTRODUCTION 1.1 Purpose of this Manual The purpose of this Service Manual is to provide service engineers who already have the basic knowledge ne- cessary to repair dryers with information concerning condenser dryers with electronic control systems. The electronic control consists of a main board having an integrated selector and on some models a LCD dis- play, supplied already mounted and tested by the building factory. -
Page 6: Technical Characteristics
2 TECHNICAL CHARACTERISTICS 2.1 Technical data Height: 85 cm Dimensions of appliance Width: 60 cm Depth: 58 cm Volt: 220 - 240 Power supply 50/60 No. Buttons No. LEDs Depending on the model Small LCD on TC3 models. Type of display Big LCD on TC2 models Buzzer Buzzer incorporated in the PCB. -
Page 7: Electronic Boards
2.2 Electronic boards The electronic control consists of a main board having an integrated selector, a LCD display, supplied already mounted and tested by the building factory. The pictures of the boards can differ slightly from the ones mounted on the appliances. Main electronic board TC3 with small LCD TC4 with big LCD... -
Page 8: Control Panel
3 CONTROL PANEL 3.1 Stylings Small Display Big Display With information on the dis- play 3.2 Programme selector The 15-position selector on models wit small LCD (TC3), and 21 posi- tions on models with big LCD (TC2) feature an integrated ON / OFF switch and are integrated in the board. -
Page 9: Pushbuttons
3.3 Pushbuttons 1) Configurable button 6) Start / Pause button 2) Configurable button 7) Delayed start button 3) Configurable button 8) LCD 4) Configurable button 9) Programme selector 5) Configurable button - ADL 9/62 599 71 49 26... -
Page 10: Symbols On Stylings With Lcd
3.4 Symbols on stylings with LCD Cycle options icons Delicate Long anti-crease phase Sensitive Spin speed (washing machine) Final humidity level Cycle icons Iron ready Cupboard dry Light drying Strong Drying Extra strong drying Drying phase Cooling phase Anti-crease phase Alarms Empty water collector Clean filters... -
Page 11: Child Safety (On Some Models)
3.5 Child safety (on some models) Pushing buttons 3 and 4 simultaneously for 5 sec- onds the child safety is activated, all buttons are deactivated and no modification is possible. To deactivate this protection, push the buttons pre- viously pushed 3.6 Delicate ½... -
Page 12: Spin Speed Regulation
3.7 Spin speed regulation With this regulation the electronic circuit receives the information that the spin has occurred at a cer- tain speed and the clothes consequently have a certain humididty degree. On some programmes this value modifies the time necessary to the final drying. -
Page 13: No Buzzer
3.9 No buzzer This option can be selected only when the dryer is in "selection" mode (set-up). Press this pushbutton to deactivate the buzzer function: the activation is signalled by the switching on of the LED or of the icon. To deactivate the option push button Even when the buzzer function is deactivated, the buzzer will continue to signal an alarm condition. -
Page 14: Adjusting The Level Of Conductivity
3.10 Adjusting the level of conductivity The “conductivity” of the water used to wash the fabrics varies from zone to zone: the conductimetric sensor is calibrated to a standard value; any major variations in the level of conductivity may affect the final drying result (i.e. -
Page 15: Displaying The Conductivity Setting
3.10.2 Displaying the conductivity setting Display Conductivity level Indicative value ( µS/cm ) < 300 MEDIUM 300 - 600 HIGH > 600 Normally, the appliance is factory-set to the highest level; however, certain models may be configured diffe- rently. Your local water supply company can give you information concerning the conductivity of the water in your ar- 3.11 Warning LEDs Heat exchanger cleaning: Lights after 80 drying cycles... -
Page 16: Start / Pause Button
START/PAUSE: Lights with a green flashing light when the cycle is in pause; lights with a fixed green light when the cycle is performing. If there is an alarm, three beeps will be emitted and they will be repeated after some seconds and the LED will flash with a red light. -
Page 17: Description Of Operation Of The Appliance
4 Description of operation of the appliance When the selector is turned from OFF position to a drying programme, the icons relative to the drying phases light up and the START/PAUSE LED flashes with green light. During this phase the various options can be entered, and the corresponding LEDs will light. The lower right display shows the maximum time of drying cycle. -
Page 18: Operation In Pause Mode
4.2 Operation in PAUSE mode If START/PAUSE is pressed while a drying cycle is being performed, the dryer interrupts the current cycle, the green LED of the START / PAUSE button flashes and the display shows time to end. If the selector is turned, the buzzer warns the user of the error. In this situation, only certain options can be modified, see tab. -
Page 19: Operation In Delayed Start Mode
4.3 Operation in DELAYED START mode After selecting a drying cycle, press this button to enter the delayed start option. Every time the button is pressed the delay time increases. To cancel this option move the selector of one position or press the button till the time is cancelled. The start of the cycle is always determined by pressing the START/PAUSE button. -
Page 20: Constructional Features
5 CONSTRUCTIONAL FEATURES 5.1 Drying circuit Version with canister in upper section Version with canister in lower section There are two air circuits inside the dryer: • the first is a warm-air circuit, which is sealed within the appliance • the second is an open cold-air circuit, which circulates air from the ambient through certain sections of the appliance In the sealed warm-air circuit, the air circulates inside the appliance:... -
Page 21: Constructive Parts
5.2 Constructive parts Upper tank version Lower tank version 1. Work top 1. Work top 2. Control panel support 2. Control panel support 3. Control panel 3. Control panel 4. Fluff filter 4. Fluff filter 5. Fluff filter support 5. Fluff filter support 6. -
Page 22: Drum
5.3 Drum The drum consists of a drum housing where the two flanges are crimped, the rear one with a hole that allows the air to flow through and the other open to allow the insertion of the clothes. Inside the drum there are 3 drum lifters which during the normal operation let the clothes move around. -
Page 23: Hydraulic Circuit (Versions With Upper Canister)
5.5 Hydraulic circuit (versions with upper canister) 1. Pump immersed in the sump 2. Water fill hose to canister (red) 3. Overflow drain hose (transparent) 4. Canister The condensation water is ducted from the sump (1) to the tank (4) by the pump immersed in the sump via the hose (2). -
Page 24: Electrical Components
6 Electrical components 6.1 Main electronic board The electronic control consists of a main electronic board fitted into a plastic container, fixed behind the control support. In the models with LCD there is also the display board mounted on this container. 1. -
Page 25: Memory Of The Electronic Control : General Structure
6.1.2 Memory of the electronic control : general structure The main PCB features an EEPROM, positioned externally to the microprocessor, which memorizes the con- figuration data, the description of the cycle, the status of the appliance in case of a power failure, and the alarms. -
Page 26: Inverter Motor Control Board
6.1.3 Inverter motor control board A Inverter motor control board B Main electronic board C Inverter motor The Inverter motor control board controls the drum rotation motor and receives the clock pulses and the supply from the main board. The thermal protection of the motor in case of operation interrupts the supply not directly on the motor, but through the main electronic board. -
Page 27: Conductimetric Sensor
6.2 Conductimetric sensor This electronic features a conductimetric sensor which consists of an electronic circuit (positioned inside the power board) and a section located exter- nally to the board which consists of the wiring, two brushes, the two drum lifters and the drum. The measurement of the resistance value occurs between the drum (1) and the isolated drum lifters (2). -
Page 28: Heater Unit
6.4 Heater unit A Filament heating element B Ceramic supports C Sheet metal casing D TH2 Safety thermostat E TH1 Safety thermostat The heater unit consists of two wire heating elements with different powers. The two heating elements are fitted to ceramic supports, and the entire assembly is housed in a sheet metal casing. -
Page 29: Ntc Sensor
6.5 NTC sensor The NTC sensor is fitted to the hot air fan duct. It consists of a heater, inserted inside a metallic capsule, which value diminishes with the increasing of the temperature. The electronic circuit reads the resistance (which var- ies with the temperature inside the dryer);... -
Page 30: Motor
6.7 Motor 1. Fan (inclined blades for cold air circulation) 2. Belt tensioner 3. Motor 4. Fan (straight blades for warm air circulation) The motor group consists of a belt tensioner (2), two fan blades (1 and 4) for circulating cold and warm air re- spectively, fitted to the motor shaft using bolts, and a single-phase asynchronous motor (3) featuring a temper- ometric protector. -
Page 31: Door Switch
6.8 Door switch The door switch allows the electronic board to power the electrical components only if the door is closed, if a programme has been chosen and the ON/OFF button has been pushed. The switch is positioned centrally and above the front opening and it is actioned by a catch placed on the door. 6.9 Door interlock Depending on the versions, the door interlock can be mechanical with manual door opening or electronic with door opening by pushing a button. -
Page 32: Electrical Circuit
7 Electrical circuit - ADL 32/62 599 71 49 26... -
Page 33: Diagnostics System
8 DIAGNOSTICS SYSTEM In diagnostic mode, it is possible to check the operation of the appliance and to read the alarm codes 8.1 Access to diagnostics 1. The appliance must be switched OFF. 2. Switch the appliance ON by turning the programme selector knob one position clockwise. 3. -
Page 34: Exiting The Diagnostics System
IMPORTANT • The alarms remain active during component diagnostics testing. If 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). •... -
Page 35: Selector Positions For Diagnostics On Conductimetric Appliances
8.3 Selector positions for diagnostics on conductimetric appliances When the various functions in the diagnostic mode are entered, in the LCD models, in the right lower part of the display some writings appear (ex. C7 - C5 etc.). These represent the codification of the selector and are not relevant for the test being executed. - Page 36 Conductimetric sensor with drum short- circuited. The check lasts 4 sec., 1 sec. to create the short circuit. The phase/ Door closed. Control of the conducti- warning LEDs flash during this period: Short circuit between the metric sensor when if the result is correct at the end, the 2 drum shells.
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Page 37: Alarms
9 ALARMS 9.1 Displaying the alarms to the user Operation of the alarms is configurable according to the model. Some or all of the alarms may be displayed to the user. Normally, all alarms except E61, E97, EH2 are displayed to the user. When an alarm condition occurs, the drying cycle may be interrupted or paused;... -
Page 38: Cancelling The Last Alarm Memorized
9.3 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 diagnostics cycle. • After effecting repairs to the appliance, to check whether it is repeated during testing. 1. -
Page 39: Table Of Alarms
9.5 Table of alarms Alarm Description Possible fault Action/machine status No alarm. Canister fill pump triac Wiring faulty. Cycle interrupted. faulty. Electronic board faulty. Triac "sensing" circuit for the Electronic board faulty. Cycle interrupted. canister fill pump faulty Alarm activated only dur- Signal frequency of the sen- Electronic board faulty. - Page 40 Thermostat faulty. Heater thermostat. Wiring faulty. Electronic board faulty. Fan motor wiring disconnected. Fan motor triac faulty. Motor faulty. Triac faulty. Fan motor wiring disconnected. Fan motor thermal cut-out. Motor faulty. Triac faulty. Fan motor wiring. Triac control faulty. Electronic board faulty. TC1 sensor faulty.
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Page 41: Access To Diagnostics Programme
10 NO ACCESS TO DIAGNOSTICS PROGRAMME 10.1 No LEDs on the display board light. Replace or repair the power cable Power cable and connection OK ? and perform the diagnostics pro- gramme Does the suppressor (incorporated Replace the terminal block + sup- in the main terminal block) function pressor and perform the diagnostics correctly? - Page 42 Does the wiring that connect the Replace main board and perform the electronic board with the control/dis- diagnostics cycle. Does the appli- play board function correctly? (insert ance function correctly? and remove the connector) Appliance functions correctly - ADL 42/62 599 71 49 26...
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Page 43: Some Of The Leds On The Display Board Light
10.2 Some of the LEDs on the display board light Replace/repair Do the power cable and the connec- power cable and perform tion action correctly ? the diagnostics cycle Does the suppressor (incorporated Replace the terminal block + sup- in the main terminal block) function pressor and perform the diagnostics correctly? programme... -
Page 44: Accessibility To Components
11 ACCESSIBILITY TO COMPONENTS 11.1 Door To remove the door, remove the screws which secure it to the hinge. Fluff filter Open the filter support pushing the relative button, lift out and clean it at the end of each cycle 11.2 Lower fluff filter Remove by lifting from its seat and clean it at the end of each cycle. -
Page 45: Door Interlock
11.3 Door interlock Remove the screw which fits it, lower it slightly spin- ning it forward. 11.4 Microswitch door Remove the screw extract it slightly and move it towards left till to reach the connector. Detach the connector and fix it with some adesive tape on the front side so as to avoid losing it inside the appliance. -
Page 46: Drum Light
11.6 Drum light The bulb can be replaced from inside the drum. Remove the two screws which secure the bulb cover Unscrew the bulb from the bulb-holder. When replacing the cover, ensure that the sealing ring is correctly positioned in its seat. 11.7 Canister Extract the canister paying attention not to drop the water remained inside on electrical parts. -
Page 47: Work Top
11.8 Work top To remove the work top, first remove the two screws which secure the top to the rear edge of the appli- ance and slide it out towards the rear panel. - ADL 47/62 599 71 49 26... -
Page 48: Control Panel Support And Control Panel Assembly
11.9 Control panel support and control panel assembly Remove the canister. Remove the screws which secure the control panel to the canister support. Remove the screws which secure the control panel crossmember. Turn forwards the crossmember and the control panel. - ADL 48/62 599 71 49 26... -
Page 49: Main Electronic Board
11.10 Main electronic board Removing the electronic board To remove the electroni board: Remove the 8 screws which secure the electronic board to the control panel. Push moderately on the fixing clips and remove the board. Removing the selector pin After removing the main board it is possible to remove the selector pin positioning it to OFF and pulling it forward. -
Page 50: Motor Control Board
11.11 Motor control board Remove the work top (as previously described). Remove the screw which secures the right side panel (it is not necessary to remove the panel). Pull inside the appliance the fixing clip, turn the pro- tection upwards and remove it. Remove the fixing screw. -
Page 51: Rear Panel Cover
11.12 Rear panel cover Remove the 9 screws (A) which secure the plastic rear panel cover in the external part. Remove the 3 screws (B) which secure the rear panel cover in the internal part. Remove the rear panel cover and the insulating car- pet. -
Page 52: Heater Unit
11.13 Heater unit Remove the left side panel (viewing the appliance from the front). Unscrew the screw that secures the side panel to the crossbar (remove first the canister). When replacing the side panel, replace the screws in their original positions, otherwise the continuity of the earth circuit will be broken. -
Page 53: Lower Brush Conductimetric Sensor
11.14 Lower brush conductimetric sensor To access the lower brush of the conductimetric sen- sor detach the connector (faston). Push downward the two fixing clips and simultane- ously extract the brush assembly. 11.15 Rear brush Remove the screw which secures the drum spindle cover. -
Page 54: Floating Microswitch
11.16 Floating microswitch Remove the work top (see above). Remove the screws which secure the side panel and remove it (see above). In the rear section of the base, the sump contains the pump, the floating microswitch and the float. Remove the two tubes from their couplings (the red tube which fills the canister, and the transparent tube through which water overflow is ducted back to... -
Page 55: Float
11.17 Float The float is located inside the sump. To remove the float, turn it 90° clockwise as shown in the figure. Lift and rotate it outwards, and remove it. To re-fit the float, repeat this procedure in reverse sequence. 11.18 Pump The pump, which ducts the water from the sump to the canister is located next to the sump containing... -
Page 56: Ntc Sensor
11.19 NTC sensor Remove the work top (as previously described). Remove the screw which secures the right-hand side panel to the crossmember and remove the panel. While reassembling the side panel, position the screws in the same position, otherwise the ground continuity is not ensured. -
Page 57: Front Air Duct Cover (Hot Air Circulation)
11.20 Front air duct cover (hot air circulation) Extract the motor wiring from the hook which secures it on the scroll cover. Remove the three screws which secure the scroll cover to the base and remove it. 11.21 Rear air duct cover (cold air circulation) Remove the screw. -
Page 58: Drum Rotation Motor
11.22 Drum rotation motor After removing the covers, it is possible to access the drum motor. Remove the belt tensioner spring. Remove the screws which secure the front motor support brackets, rotate upwards and remove. Rotate the whole motor unit (consists of: motor and the two fans) inside the appliance, lift and extract it after sliding the belt out from the fan. -
Page 59: Capacitor (Heat Exchanger)
11.23 Capacitor (heat exchanger) Open the flat door, turn the two red retainers downwards and extract the heat exchanger pulling it outside. 11.24 Front flap Remove the screws which secure it to the front panel. To remove the gasket, extract it from its seat. To access to the opening button, remove the fixing screws inside the flap and release the upper three anchor tabs... -
Page 60: Drive Belt
Unscrew the screw which secures the canister support. Remove the left-hand and right-hand side panels. Remove the back air cover. Remove the rear brush. Unscrew the screw which secures the bush (1). Remove the Benzing ring (2) and, if featured, the spacing washer (3). Disconnect the terminal block from the heater unit. -
Page 61: Duct
11.27 Duct Remove the work top. Remove the rear panel. Remove the drum. Unscrew the screws which secure it to the hinges and hinge hole masking plates. Extract the duct. 11.28 Duct rollers Remove the work top. Remove the rear panel. Remove the drum. -
Page 62: Reversibility Of The Door
12 Reversibility of the door Open the door Remove the door unscrewing the 2 screws which secure the hinges (A) to the appliance. Remove the masking plates (B) and (C) pushing them with a subtile screwdriver. Remove the door interlock catch (D) pushing it with a screwdriver and reuse it on the opposite side turned by 180°...
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