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Related Manuals for Electrolux ENV06 AEG CRM
Summary of Contents for Electrolux ENV06 AEG CRM
- Page 1 SERVICE MANUAL DRYERS Condenser dryers with © Electrolux Home Products Italy electronic control S.P.A. Publication no. Corso Lino Zanussi, 30 ENV06 AEG CRM I-33080 Porcia - PN - 599 70 84 17 Fax 0039 - 0434 394096 Edition: 05/2008 Rev 0.0...
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Page 2: Table Of Contents
CONTENTS INTRODUCTION .............................. 3 1.1 Purpose of this Manual..........................3 1.2 Important ..............................3 1.3 Installation ..............................3 TECHNICAL CHARACTERISTICS ........................4 2.1 Technical data ............................4 2.2 Electronic boards............................4 CONTROL PANEL ............................5 3.1 Stylings..............................5 3.2 Programme selector ..........................5 3.3 Pushbuttons ............................. - Page 3 7.5 NTC Sensor............................26 7.6 Canister fill pump............................ 26 7.7 Motors ..............................27 7.7.1Fan rotation motor .......................... 27 7.7.2Drum rotation motor ........................27 7.8 Door switch............................. 28 7.9 Door interlock ............................28 7.10 Electrical circuit ............................29 DIAGNOSTICS SYSTEM ..........................30 8.1 Access to diagnostics..........................
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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 Hz. 50 / 60 No. Buttons No. LEDs Type of display alphanumeric LCD Buzzer Buzzer incorporated in the PCB. Serial port DAAS-EAP protocol up to 230400 baud. -
Page 7: Control Panel
3 CONTROL PANEL 3.1 Stylings 3.2 Programme selector The 21-position selector has an incorporated ON / OFF switch and it is part of the board. The symbols represent the various drying types for the different fabrics LIGHT, IRON AIDS, COTTON, SYNTHETICS, SILK, WOOL and TIMER. All positions are configurable depending on the model 3.3 Pushbuttons 1. -
Page 8: Fist Start
3.4 Fist start At the first start of a programme and each time you exit the diagnostic test, the display shows a message in German language, which asks you if you want to main- tain the current settings (German language and time displayed) or if you want to change them. -
Page 9: Settings
3.5 Settings The settings menu is set by the user at the first switching on of the appliance and remains memorized also after the appliance has been switched off or unplugged; in any case the settings can be modified at any time. The writings on the display vary according to the set language. -
Page 10: 3Setting The Display Brightness (Lcd)
3.5.3 Setting the display brightness (LCD) • Select the SETTINGS menu. • Push the OPTION button until BRIGHTNESS is highlighted. • Push OK to confirm the choice, the bar indicator will start to flash. • Push the OPTION button until the desired bright- ness level is selected. -
Page 11: 6"Canister Full" On/Off Alarm
3.5.6 "Canister full" ON/OFF alarm • Select the SETTINGS menu. • Push the OPTION button until FULL TANK WAR- NING is highlighted. • Push OK to confirm the choice, the bar indicator will start to flash. • Push the OPTION button to select ON or OFF. •... -
Page 12: Setting The Drying Programmes
3.6 Setting the drying programmes The various drying programmes can be modified adding the different options compatible with the chosen pro- gramme. These options are displayed through some icons. 1. Programme name and remaining time. 2. End of cycle time. 3. -
Page 13: 2Programme Options From The Pushbutton Panel
3.6.2 Programme options from the pushbutton panel Push the DRYING button to select the desired drying level. Three different drying levels can be selected Drying degree MIN - MED - MAX. Push the STEAM LEVEL button to select the quantity of the desired level. -
Page 14: Pro Steam System
4 PRO STEAM System The PRO STEAM system is an innovative system which introduces into the drum at the end of the drying, if you are using a drying programme, or at the end of a refresh phase, a certain quantity of steam that eliminates creases and bad odours from the fabrics. -
Page 15: Cleaning The Pro Steam Filter Valve
4.2 Cleaning the PRO STEAM filter valve • Extract the water tank. • Turn the filter knob to OFF position. • Extract the filter valve and wash it with running water. PAYING ATTENTION NOT TO DAMAGE THE FILTER - ADL 15/58 599 70 84 17... -
Page 16: Description Of Operation
5 Description of operation When the selector is turned from OFF to a drying programme, the icons or the LEDs corresponding to the pha- ses of the drying light up, and the START/PAUSE LED begins to flash with green light. In this phase it is possible to insert the various options and the relative icon lights up. -
Page 17: Operation In Pause Mode
5.2 Operation in PAUSE mode If a drying cycle is being executed, pushing the START / PAUSE button, the dryer interrupts the cycle, the green LED of the START / PAUSE button flashes and in the models with display the time to end of the cycle is dis- played. -
Page 18: Constructional Features
6 CONSTRUCTIONAL FEATURES 6.1 Drying circuit 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: The fan (1), ducts the air through a heat exchanger (5), and then to the heater unit (2). -
Page 19: Condensation Water Hydraulic Circuit
6.2 Condensation water hydraulic circuit 1. Pump immersed in the sump 2. Water drain 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 20: Steam Hydraulic Circuit
6.3 Steam hydraulic circuit The appliances with PRO STEAM system feature a steam generator composed by a mini boiler (7) pow- ered by pulses a pump (6) necessary to fill the boiler. If you wish to use the PRO STEAM programmes, firstly it is necessary to fill the tank (2) with distilled water through the fill nozzle (1) up to the MAX level about 1,3 litres. -
Page 21: Drum
6.5 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 22: Drum Rotation Principle
6.7 Drum rotation principle 1. Drive belt 2. Belt tensioner 3. Drum rotation motor 4. Belt tensioner spring 5. Running capacitor The drum is rotated by a belt (1), which is driven by the pulley of the drum motor (3) fitted to the base; on the bearing shield there is a belt tensioner (2), which has the function of increasing the winding angle of the belt to the drum and works in conjunction with the belt tensioner spring (4). -
Page 23: Electrical Components
7 ELECTRICAL COMPONENTS 7.1 Electronic control units 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 24: 2Memory Of The Electronic Control: General Structure
7.1.2 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 25: 3Pro Steam Board Functions
7.1.3 PRO STEAM board functions A PRO STEAM unit control board B Main electronic board C Sensors D Electric loads The PRO STEAM control board receives the controls relative to the drying cycle setting with PRO STEAM function, from the electronic board. It powers the main components of the PRO STEAM unit: water drain pump, heater unit and drum fan motor. -
Page 26: Conductimetric Sensor
7.2 Conductimetric sensor This electronic features a conductimetric sensor which consists of an electronic circuit (positioned inside the power board) and a section located externally 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 27: Heater Unit
7.4 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 28: Ntc Sensor
7.5 NTC Sensor The NTC sensor is fitted to the hot air fan duct. This sensor consists of a resistor contained in a metallic cap- sule. Its resistance decreases as the temperature increases. The electronic circuit reads the resistance (which varies with the temperature inside the dryer);... -
Page 29: Motors
7.7 Motors 7.7.1 Fan rotation motor The motor unit consists of two fans respectively for the cold air circuit and the hot air circuit fitted to the motor shaft through nuts and of the single-phase asynchro- nous motor with 32mm stack and 44W power with a thermal protector (thermistor). -
Page 30: Door Switch
7.8 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. -
Page 31: Electrical Circuit
7.10 Electrical circuit - ADL 31/58 599 70 84 17... -
Page 32: 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 33: 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 codifica- tion of the selector and are not relevant for the test being executed. - Page 34 Conductimetric sensor. This check has a duration of 4 sec. The phase/warning Control of the conducti- LEDs flash during this period: if the result Door closed. metric sensor when the is correct at the end, the LEDs remain lit; circuit is open. if not, the LEDs flash continuously.
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Page 35: 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. When an alarm condition occurs, the drying cycle may be interrupted or paused; in some cases, for the sake of safety, a forced cooling cycle is performed. -
Page 36: Table Of Alarms
9.5 Table of alarms Reset Alarm Description Possible fault Action/machine status command No alarm Canister fill pump Wiring faulty Cycle interrupted triac faulty Electronic board faulty Triac "sensing" circuit for the Electronic board faulty Cycle interrupted canister fill pump faulty Alarm activated only dur- Sensor signal fre- Electronic board faulty... - Page 37 Disconnects the power supply to the heater unit. If the problem does not re- Intervention of Thermostat faulty occur, the alarm is memo- auto-reset ther- Heater unit faulty rized and the cycle contin- mostat on the Wiring faulty ues. If the fault persists heater unit Electronic board faulty after several attempts to...
- Page 38 Cycle interrupted. If a sta- ble power supply is Problems with the power supply Voltage too low restored before the time- Electronic board faulty out has elapsed, the cycle resumes Inconsistent volt- Problems with the power supply age between (incorrect/interference) boards CRM board faulty Inconsistent fre-...
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Page 39: Accessibility To Components
10 ACCESSIBILITY TO COMPONENTS 10.1 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 10.2 Lower fluff filter Remove by lifting from its seat and clean it at the end of each cycle. -
Page 40: Door Interlock
10.3 Door interlock Remove the screw which fits it, lower it slightly spinning it forward. 10.4 Microswitch door Remove the right screw, extract slightly the first half of the microswitch 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 41: Door Interlock Catch And Micro Door Catch
10.5 Door interlock catch and micro door catch To remove the micro door catch and the door interlock catch push with a screwdriver on the hook and rotate them as indicated by the arrows. 10.6 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. -
Page 42: Work Top
10.8 Work top To remove the work top, first remove the screws which secure the top to the rear edge of the appliance and remove it pushing it towards the rear side. 10.9 Control panel support and control panel assembly Remove the canister. -
Page 43: Main Electronic Board
10.10 Main electronic board Removing the electronic board To remove the electronic 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 for- ward. -
Page 44: Pro Steam Electronic Board
10.11 PRO STEAM Electronic board To remove the PRO STEAM Control board Remove the protection releasing the fixing clips. Turn and remove it Remove the screw which secures the board to the crossmember Incline and lift it up Detach the cables - ADL 44/58 599 70 84 17... -
Page 45: Rear Panel Cover
10.12 Rear panel cover Remove the screws (1) which secure the plastic rear panel cover (in the centre of the panel) and release the anchor tabs (2) from around the external perimeter using a screwdriver. Remove all the perimetral screws which secure the rear panel cover and remove it. -
Page 46: Heater Unit
10.13 Heater unit Remove the left side panel (viewing the appliance from the front). Remove the screw which secures the side panel to the cross-member (after removing 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 47: Lower Brush Conductimetric Sensor
10.14 Lower brush conductimetric sensor To access the lower brush of the conductimetric sensor detach the connector (faston). Push downward the two fixing clips and simultaneously extract the brush assembly. 10.15 Rear brush conductimetric sensor Remove the screw which secures the drum spindle cover. -
Page 48: Floating Microswitch
10.16 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 the sump when... -
Page 49: Float
10.17 Float Inside the pump there is the float. To remove the float, turn it 90° clockwise as shown in the figure. Lift the float, rotate outwards, and remove it. To replace the float, repeat this procedure in reverse sequence. 10.18 Pump The pump, which ducts the water from the sump to the canister in the upper section is located next to the... -
Page 50: Steam Generator Group
10.19 Steam generator group Remove the two screws which secure steam genera- tor unit to the base. Release the black steam hose from the fixing clip Remove the connector protection Remove outwards the whole steam generator unit ATTENTION Once the clamps of the steam generator have been opened, they have to be replaced. -
Page 51: Motor Capacitor
10.20 Motor capacitor Remove the work top (see above). Remove the right-hand side panel, unscrewing the screw which secures it to the cross-member. When replacing the side panel, replace the screws in their original positions, otherwise the continuity of the earth circuit will be broken. -
Page 52: Ntc Sensor
10.21 NTC sensor Remove the sensor from the seal and detach the connector. 10.22 Drum rotation motor Detach the connector. Cut the clamp which fix the capacitor and detach it. Remove the belt tensioner spring. Free the belt. Remove the two screws which secure the motor sup- port to the base. -
Page 53: Front Air Duct Cover (Hot Air Circulation)
10.23 Front air duct cover (hot air circulation) Remove the drum rotation motor support unit. Remove the NTC sensor Remove the three screws which secure it to the base and remove. 10.24 Rear air duct cover (cold air circulation) Remove the drum rotation motor support unit. Remove the two screws and detach the duct cover from the three anchor tabs (two upper lateral tabs, one lower tab) which secure it to the base. -
Page 54: Fan Rotation Motor
10.25 Fan rotation motor After removing the covers from the two ducts, it is pos- sible to access the motor. Remove the motor support unit and drum rotation motor as described above. Remove the screws which secure the front and rear motor support brackets, rotate upwards and remove. -
Page 55: Capacitor (Heat Exchanger)
10.26 Capacitor (heat exchanger) Open the door, turn the two anchor tabs and extract the heat exchanger pulling it externally. 10.27 Front panel Remove the screws which secure the panel to the front panel. Pull the sealing ring from its seat. To access the aperture button, remove the screws from inside the panel and release the three upper anchor tabs... -
Page 56: Rear Panel
10.28 Rear panel Remove the work top. Remove the screw which secures the canister support. Remove the left- and right-hand side panels. Remove the rear air protection. Remove the rear brush. Remove the screw which secures the bush (1). Remove the Benzing ring (2) and remove the spacing washer (3). Disconnect the terminal block from the heater unit. -
Page 57: Duct
10.30 Duct Remove the work top. Remove the rear panel. Remove the drum. Remove the screws which secure the drum to the hinges and to the hinge masking plates. Remove the duct. 10.31 Duct rollers Remove the work top. Remove the rear panel. Remove the drum. -
Page 58: Reversibility Of The Door
11 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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