Related Manuals for Electrolux WE170V
Summary of Contents for Electrolux WE170V
- Page 1 Service manual Washer extractor WE170V, WE170P 438 9167-20/EN Original instructions 2015.03.03...
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Page 3: Table Of Contents
Operating principle ........................28 10.1.2 Arranging the flap in the detergent container ................29 10.2 Detergent container and hoses - WE170V ..................30 10.3 Detergent container and hoses - WE170P ..................31 10.4 Drain pump ............................ - Page 4 10.7 Electronic control ..........................34 10.8 Anti-disturbance filter ........................35 10.8.1 General characteristics ....................... 35 10.9 Display board ........................... 35 10.10 Drain valve ............................36 10.10.1 Working phases .......................... 38 ...
- Page 5 12.6.1 Belt ............................. 75 12.6.2 Plastic pulley ..........................76 12.6.3 Inverter ............................76 12.6.4 Motor ............................77 12.6.5 Heating element .......................... 77 12.6.6 Rear shock absorber ........................77 ...
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Page 6: General Information
1 General information Low consumption mode In order to reduce electricity waste when the cycle is not running, the appliances on this platform are designed to enter consumption reduction mode: “Stand-Off” mode When the appliance is switched off at the ON/OFF button, it is in the “Stand-Off” or “virtual” off status. The LEDs and the LCD screen are turned off and the buttons are disabled, although the main circuit board and certain electrical components are electrically powered. -
Page 7: Warnings
2 WARNINGS Any work on electrical appliances must only be carried out by qualified technicians. Before you access internal components, take the plug out of the socket to cut the power supply. Make resistance measurements, rather than direct voltage and current measurements ... -
Page 8: Control Panel
3 Control panel 3.1 General characteristics The control/display circuit board, inserted in a plastic box, secured to the control panel (the figure illustrates: the display board with the side socket in which the selector is fixed, connected together by a flat cable, and the display board assembly). -
Page 9: General Characteristics And Control Panel
3.2 General Characteristics and Control Panel Application pictures The main characteristics are: Hi-fi selector with 16 LEDs (positions) associated; On/Off mechanical tact-switch button always on board; 7 function buttons: Pre rinse button; Pre wash button; 2 option buttons; Spin time button;... -
Page 10: Delay Start Button
When pressing the button the option is enabled or disabled. When the option is enabled the associated ICON switches on and cycle duration is updated in display digits. 3.4.4 Delay start button The delay buttons is associated with one dedicated icon on the LCD. When the delay is active the icon is switched on, both during program setup and delay phase in progress. -
Page 11: Display
Key Key Combinations The following key combinations are available in this user interface: Function Button 1 Button 2 Child lock Default Extra Rinse (*) Buzzer enable/disable Demo mode Diagnostic mode (*) Remark: Extra Rinse combination can be configured just to allow memorizing the option so that it is set by default when selecting a washing program. -
Page 12: Child Lock
3.5.3 Child Lock This segment of the lock is switched on when child lock is activated. It blinks if, with child lock activated, a button is pressed or the rotary is turned. Only with coin meter connected, after 5 minutes we have to disable door opening and cycle reset until the end of cycle. -
Page 13: Functionalities
4 Functionalities 4.1 On/Off Button The aesthetics levels of the WE170P/V have a dedicated On/Off button always present. This button could put the machine in a special low power consumption mode. To switch on the appliance, simply press shortly the button. The user interface plays the dedicated jingle (if buzzer is enabled) and switches the lights and display on according to default programme. -
Page 14: Hi-Fi Selector
4.4 Hi-fi Selector The number of position is not configurable and it is always 16, since it is strictly linked to the programme lights. Compared to a traditional absolute selector, the Hi-fi one has no index on the knob and no reset position. The knob itself doesn’t point to any position in the control panel;... -
Page 15: Demo Mode
If the machine is switched-off and on during cycle execution without unlocking it, cycle automatically continues like after a power failure situation. Door status After cycle start, the door is kept locked as far as the cycle end is reached. To open it if needed before cycle end, Child Lock has to be deactivated first pressing the foreseen buttons combination and then pausing the machine pressing Start/Pause button: if the machine is in safety conditions (low water level and low temperature) the door device unlocks. -
Page 16: Faults/Warnings Signals
4.8 Faults/warnings signals 4.8.1 Selection error The selection errors are noticed to customer by a flashing “Err” text on cycle time digits; buzzer doesn’t sound a specific melody and Start/Pause LED doesn’t flash. The signalling is displayed for about 1 second in following cases: if coin meter is present and the user try to start a cycle without payment;... -
Page 17: Demo Mode
5 DEMO MODE A special cycle is designed to demonstrate the operation of these appliances in shops, without connecting them to the water mains. This way, any one of the programmes can be selected and, once the start button/sensor has been pressed/touched (START/PAUSE), the appliance will only perform some of the phases of the programme, skipping those which cannot be performed (water fill, drain, heating). -
Page 18: Diagnostics System
6 DIAGNOSTICS SYSTEM 6.1 Accessing diagnostics The operations listed below must be carried out within 7 seconds. Do not start the machine with this combination of buttons pressed, only when accessing diagnostic mode 1. Switch on the appliance using the ON/OFF button. The first LED in the right hand row will light up. 2. -
Page 19: Diagnostic Test Phases
6.3 Diagnostic test phases Irrespective of the type of PCB and the configuration of the programme selector, after entering the diagnostic mode, turn the programme selector dial clockwise to perform the diagnostic cycle for the operation of the various components and to read any alarms. Concurrently, a selector control code is shown on the LCD display, which indicates for two seconds the description in the last column of the table below. - Page 20 - Door safety interlock Door closed. Drain, calibration - Drain pump Water level lower of analogue - Motor up to 650 rpm then at than anti-boiling level pressure switch Drum speed in maximum spin speed (**) for spinning. and spin. rpm/10 - Reading/Deleting the last alarm -----...
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Page 21: Alarms
7 ALARMS 7.1 Displaying the alarms to the user When a problem occurs in the appliance and a “WARNING” or “ALARM” is triggered, this is shown in the three digit display (where the time left to the end of the cycle is shown), this information ceases to be displayed when the problem is repaired/solved. -
Page 22: Reading The Alarms
7.2 Reading the alarms The last three alarms stored in the FLASH memory of the PCB can be displayed: enter the diagnostic mode. Irrespective of the type of PCB and configuration, turn the programme selector knob clockwise to the eleventh position - the last alarm is then displayed. -
Page 23: Rapid Reading Of Alarms
Rapid reading of alarms The last alarm can even be displayed if the selector is not in the tenth diagnostic position or if the appliance is in normal operating mode (for example when performing a wash programme): → Press the START/PAUSE button and the nearest option button simultaneously (as if you were entering DIAGNOSTIC mode) for at least 2 seconds: the LCD display shows the last alarm. -
Page 24: Operating Time Counter
8 OPERATING TIME COUNTER Using a specific procedure, the operator can display the total operating time for the appliance, which is counted from the moment it is first switched on. The unit can count up to a maximum of 6,550 hours of operating time. ... -
Page 25: Options
9 Options 9.1 Description of options Rinse hold During the cycle the intermediate rinses and spins are performed. Stops the appliance with water in the tub before the final spin cycle. To drain the water, simply press the START/PAUSE button to run the drain and spin cycles. ... - Page 26 Super quick Modifies the structure of the wash phase of the COTTON - SYNTHETIC FABRICS - DELICATES cycles by half a load. Delayed start time Adds a pause before the start of the programme. The delay time is shown on the three digit display. ...
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Page 27: Technical Characteristics
TECHNICAL CHARACTERISTICS 1. Door 2. Front panel 3. Control panel 4. Detergent container 5. Solenoid valves 6. Control valve (only for appliance with drain valve) 7. Top panel 8. Main PCB 9. Drain (only for appliance with drain valve) 10. Belt 11. -
Page 28: Detergent Container
10.1 Detergent container The water in the detergent c is filled through one solenoid valve for cold water (with one inlet, and 3 outlets) and one for the hot water (with one inlet and one outlet); Upper part of detergent cointainer 10.1.1 Operating principle Water fill to pre-wash compartment (pre-wash solenoid) -
Page 29: Arranging The Flap In The Detergent Container
10.1.2 Arranging the flap in the detergent container The detergent container is designed for use with: powder detergent or liquid detergent. A flap (indicated by the arrow) has been fitted inside compartment “b” where the detergent is introduced, which can be flipped up or down. With the flap flipped up, the appliance is ready for use with powder detergent (factory settings). -
Page 30: Detergent Container And Hoses - We170V
10.2 Detergent container and hoses - WE170V 1. Drain valve 2. Air chamber 3. Hose 4. Support 5. Detergent container 6. Distribution pipe 7. Detergent drawer 8. Siphon 9. Flap powder/liquid detergent 10. Upper part 11. Hose connection 12. Connection for liquid detergent 13. -
Page 31: Detergent Container And Hoses - We170P
10.3 Detergent container and hoses - WE170P 1. Drain housing 2. Air chamber 3. Hose 4. Hose clamp 5. Support 6. Pump housing 7. Gasket 8. Cushion 9. Filter 10. Seal 11. Detergent cointainer 12. Distribution pipe 13. Detergent drawer 14. -
Page 32: Drain Pump
10.4 Drain pump 1. Ball lock ring with ball 2. Water level chamber 3. Drain pump 4. Filter body 5. Filter insert with labyrinth 6. Drainage lever 10.5 Filter dial To drain the water, simply: press the two tabs that lock the plug closing lever, fig. 2, ... -
Page 33: Washing Unit
10.6 Washing unit The washing unit is made up of: A back casing (1) and a front casing (2), welded together to form the welded tub. Inside this is the drum (5) (made of stainless steel) with the three blades (6) (in carboran) snap-fastened to the drum. To balance the unit during the washing movements and during the spin phases two counterweights are used on the appliance: one at the front (3) and one at the top (7). -
Page 34: Electronic Control
10.7 Electronic control The electronic control consists of: 1. Main circuit board. 2. Control/display circuit board. 3. INVERTER motor control board (not shown in the figure, positioned at the bottom right of the appliance seen from the rear). The control/display PCB contains: the selector dial, to select the washing programme, the LCD display, to display the programme information;... -
Page 35: Anti-Disturbance Filter
When replacing any of the components, please refer to the code shown in the list of spare parts relating to the appliance being repaired. 10.8 Anti-disturbance filter 10.8.1 General characteristics This device is connected to the electricity power line input of the appliance and avoids the emission of radio frequency disturbances in the power network. -
Page 36: Drain Valve
10.10 Drain valve The water pressure in the cold water intake is used for closing the drain valve. There is a hose (1) connected between the water intake and the control valve (2). When the control valve is without power (un- activated) it is open and lets the incoming water pressure into the supply line (3) to close the drain valve. - Page 37 An electric three way control valve is used to control the water pressure. The inlet water pressure is used to close the drain valve. Opening is done by switching the control valve and action of return spring. A.
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Page 38: Working Phases
10.10.1 Working phases Drain valve opened: No water pressure supplied to the machine. No power to control valve Closing of the drain valve: Water pressure supplied to the machine to close the drain valve. No power to control valve Opening of the drain valve: Power supply to control valve to release the water pressure and let the springs open the drain valve. -
Page 39: Replacement Of Drain Valve
10.10.2 Replacement of drain valve Disconnect the power to the appliance. Demount the top panel. Demount the control panel. Demount the front panel and door. Loosen the hose clamps and demount the air chamber from the drain valve. Remove the hose from the valves nipple for water supply. (Press the orange ring and pull out the hose at the same time). -
Page 40: Heating Element
10.11 Heating element When replacing the heating element, please refer to the code shown in the list of spare parts relating to the appliance. It is strictly forbidden to tamper with the heating element in any way!!! (e.g. changing the NTC probe, etc...) 10.11.1 General characteristics 1. -
Page 41: Temperature Sensor
10.12 Temperature sensor When replacing the heating element, please refer to the code shown in the list of spare parts relating to the appliance. It is strictly forbidden to tamper with the heating element in any way!!! (e.g. changing the NTC probe, etc...) 10.12.1 General characteristics 1. -
Page 42: Water Level Sensor
10.13 Water level sensor 10.13.1 General characteristics The electronic water level sensor is an analogue device that controls the water level in the drum, and it is directly connected to the main PCB. 1. Small pipe 2. Core 3. Oscillating coil The water level sensor is connected via a pipe to the pressure chamber. -
Page 43: Door Lock Safety Interlock
10.14 Door lock safety interlock 10.14.1 General characteristics The instantaneous door interlock allows the door to be opened as soon as the drum stops. If the conditions described further are met. In appliances with a drum light, a door safety interlock is fitted with an integrated switch (piloted via a slide from the door latch). - Page 44 the second pulse (which is only sent if everything is in working order) moves the cam to another position, which causes the ratchet to return to its position and therefore release the interlock; the contacts of the main switch are simultaneously opened. Door open conditions Before pulses are sent to open the door, the PCB checks for the following conditions: ...
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Page 45: Three-Phase Asynchronous Motor - Inverter
10.15 Three-phase asynchronous motor - Inverter 10.15.1 General characteristics 1. Main circuit board 2. Door safety interlock (with drum light micro-switch) 13. Inverter 14. Motor X-Y-X = Motor windings 10.15.2 Power supply to motor Three-phase power is fed by the inverter (13), which sends through the connectors 5-6-7 the three phases to connectors 1-2-3 on the motor (nodes U-W-V), where the windings (Y-X-Z-) are connected. -
Page 46: Inverter (Motor Control Unit)
10.16 Inverter (Motor Control Unit) 10.16.1 General characteristics The Inverter (Motor Control Unit) use a new asynchronous motor, with 2 poles, three-phase, with high performance and low noise levels. “INVERTER” operating diagram = Phase = Neutral = “INVERTER” board = Motor = Capacitor = Diodes I1÷6 = Power transistors... -
Page 47: Solenoid Valves
10.17 Solenoid valves 10.17.1 General characteristics SOLENOID VALVE SOLENOID VALVE HOT WATER THREE WAYS The solenoids opens for water into the detergent dispenser and is controlled electrically by the main circuit board via Triac. The level of water in the drum is controlled by the water level sensor. 1. -
Page 48: Diagram
10.17.1.4 Diagram 1. Main circuit board 2. Door safety interlock (with micro-switch) 7. Pre-wash solenoid 8. Wash solenoid 9. Softener solenoid valve 10. Hot water solenoid... -
Page 49: Flowmeter
10.18 Flowmeter 10.18.1 General characteristics Flowmeter 1. Main circuit board 2. Flow meter A built-in flow meter, which measures the quantity of water in litres that is loaded into the appliance. In the event of a sensor failure, the water level is controlled by the water level sensor. Electronically controlled valve, Turbine exploded view... -
Page 50: Operating Principle Of The Flowmeter
10.18.2 Operating principle of the flowmeter The main components of the flowmeter are: Closed contact Open contact 1. Turbine (with magnet and counterweight mounted on the outside) Reed switch (normally open) Magnet Counterweight Signal 0 Signal 1 Water entering the solenoid valve rotates the turbine (1) and magnet (3), which passes in front of the Reed switch (2), thus closing it. -
Page 51: Drum Light
10.19 Drum light The drum light consists of a high luminosity LED. When the appliance is in the selecting phase (START/PAUSE LED flashing), if the door is opened, the LED lights up and illuminates the inside of the drum. Vice versa, when the door is closed the LED is turned off. -
Page 52: Alarm Summary Table (Note That Some Alarms Might Not Be Valid For Your Appliance)
ALARM SUMMARY TABLE (Note that some alarms might not be valid for your appliance) Alarm Description Possible fault Machine status/action Reset Tap closed or water pressure too low; Drain pipe improperly positioned; Water fill solenoid valve faulty; Leaks from water circuit on Water fill difficulty during washing Cycle is paused with door locked. - Page 53 Alarm Description Possible fault Machine status/action Reset No signal from motor tachometric Motor-inverter wiring faulty; Faulty motor; Cycle stops with door locked ON/OFF generator Inverter board faulty; (after 5 attempts). RESET Inverter is drawing too much current Cycle stops with door locked ON/OFF Wiring faulty on inverter for motor;...
- Page 54 Alarm Description Possible fault Machine status/action Reset Error in reading selector Main PCB faulty (Incorrect configuration data). Cycle cancelled START/RESET START Selector configuration error Display board. ---------------- ON/OFF RESET START No action to be performed, if continues, Display board microprocessor faulty Display board. ON/OFF replace the display board.
- Page 55 Alarm Description Possible fault Machine status/action Reset Problem with the power supply network (incorrect/disturbed); Main Wait for nominal Supply voltage too high ON/OFF PCB faulty. voltage conditions. Problem with the power supply network (incorrect/disturbed); Main Wait for nominal Supply voltage too low ON/OFF PCB faulty.
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Page 56: Alarm Codes For Appliance With Coin Meter Or External Liquid Supply System
11.1 Alarm codes for appliance with external liquid supply system Alarm Machine Alarm description Fault condition Possible fault Reset key code action/status Wiring defective External liquid supply system configured but communication failure External liquid supply system defective DET_DOSING_ABS_AL Cycle blocked OFF/ON (before payment). -
Page 57: Accessibility
12 ACCESSIBILITY 12.1 Worktop Remove the screws that secure it to the back panel. Pull it out from the back. 12.2 From the worktop, you can access 1. Main board 2. Solenoid valves 3. Control panel 4. Display board/light diffuser/buttons/buttons springs assembly 5. - Page 58 Remove the wiring from the central hook. Remove the main board. Turn it. Disconnect the hooks fixing the connector protection on one side then the other. Technical Support - DMM 58/80 599 74 98-60 Rev.00...
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Page 59: Solenoid Valve
Remove the connectors protection. Pull out the connectors positioned beside the board. Pull out the other connectors, taking care as they are retained by hooks. 12.2.2 Solenoid valve Remove the worktop. Disconnect the connectors. Pull out the pipes which connect the solenoid valve to the detergent container. Unscrew the water fill pipe from the solenoid valve. - Page 60 Pull the detergent container out and at the same time press the stop locking it in place. Loosen the screws that attach the control panel to the detergent tray. Pull out the clamp from the crosspiece. Remove the four screws which secure the crosspiece to the cabinet. Remove the screws which secure the crosspiece to the detergent container.
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Page 61: Display Board/Light Diffuser/Button Springs/Buttons Assembly
Remove the control panel and position it as shown in the figure, making sure you introduce a protection to prevent scratching it. 12.2.4 Display board/light diffuser/button springs/buttons assembly Remove the worktop. Remove the control panel. Remove the screws and release the hooks which secure the board assembly to the control panel. - Page 62 When reassembling the display board assembly and the control panel. Remove the dial from the dial cover. Release the hooks that fasten them together, and fasten the whole to the control panel. Illustration of the dial and the dial cover. Thread the dial onto the selector pin.
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Page 63: Water Level Sensor
12.2.5 Water level sensor Remove the worktop. Remove the connector. Pull out the small tube which connects it to the pressure chamber. Tighten the two tabs which secure it to the cabinet and remove it. 12.2.6 Detergent container Remove the worktop. Remove the control panel. -
Page 64: Detergent Fill Pipe
12.2.7 Detergent fill pipe Remove the worktop. Remove the control panel. Remove the detergent tray. Pull out the pipe from the detergent container after breaking/loosening the clamp between the detergent container and the detergent loading pipe. When reassembling, use a new clamp with the same characteristics. The size of the clamp to use is 65.5 mm. -
Page 65: Door Safety Interlock
12.3.2 Door safety interlock Remove the iron ring securing the bellow seal to the unit. Remove the part of the bellow seal concerned from the unit. Unfasten the two screws securing the door safety interlock to the front panel. Take the device and move it to the left. Turn it towards the inside (right-hand side of the flange). -
Page 66: Drum Light
To reassemble the door safety interlock, repeat the same tasks in reverse order. Before tightening the screws to secure the door safety interlock to the front panel, make sure the flange is positioned properly on the outside as indicated by the arrows. Tighten the screws at a torque of 2.5 Nm. -
Page 67: Blade
12.3.5 Blade This blade is secured to the drum with slides and secured with blades carved into the drum. To remove it from the drum: Insert a flat-tip screwdriver into the central slot of the left row. The screwdriver with the handle tilted towards the right push the left-hand tab down. - Page 68 Before securing the new blade insert a screwdriver beneath the tabs and raise them a little. Position the new blade inside the drum guides. Push it towards the back. Insert the screwdriver (in the central slot of the left-hand row) at a right angle to the blade, so as to position it at the centre of the two drum tabs.
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Page 69: Front Panel
12.3.6 Front panel Remove the worktop. Remove the control panel. Remove the iron ring and remove the door bellow seal from the front panel. Unfasten the screws securing the door safety interlock. Open the filter flap and remove it. Loosen the two screws that secure the plinth to the front. Release the two hooks that secure it to the front (indicated by the arrows). -
Page 70: From The Front Panel, You Can Access
12.4 From the front panel, you can access 1. The front counterweight 2. The shock absorbers 3. The drain water circuit 4. The pressure chamber 5. The tub suspension springs 6. The shock absorber pins 12.4.1 Front counterweight Remove the worktop. Remove the control panel. -
Page 71: Drain Water Circuit
12.4.3 Drain water circuit Tub drain pipe Remove the worktop. Remove the control panel. Remove the iron ring securing the bellow seal to the front panel. Unfasten the screws securing the door safety interlock. Remove the front panel. Pull out the main drain pipe (1). Loosen the screw of the clamp securing the tub drain pipe to the tub (2). - Page 72 Make a note of the latch and hook with which it is secured to the tub. If the hook securing the chamber to the welded tub is broken. Use the eyelet (indicated by the red arrow). Use a screw Code 405 50 33-52/8 (AF/2P 5x16 TE/SP must have a maximum length of 16 mm and without a tip to avoid perforating the tub), secure the chamber to the tub as shown by the arrow in the photo.
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Page 73: Tub Suspension Springs
12.4.5 Tub suspension springs Left spring Attach the spring as shown in the figure: the shortest leg towards the crosspiece, whereas the longest leg towards the welded tub. Right spring The instructions provided for the left spring also apply to the right spring. When reattaching the springs (after repair work which required their removal), make sure that the bushings shown in the figure are featured on both ends. -
Page 74: Shock Absorber Pin
12.4.6 Shock absorber pin There is a bushing on either end of the shock absorber. It has a wider profile on one end to avoid it becoming dislodged when the pin is inserted (see the two figures below). Narrow edge Wide edge When positioning the shock absorber inside the fastening (situated at the bottom of the cabinet or in the tub), take care when positioning the bushing, so as to insert the pin from the part of the bushing with the widest profile. -
Page 75: Accessing The Rear Part
12.5 Accessing the rear part 12.5.1 Back panel Loosen the screws that fix it to the cabinet. 12.6 From the back panel, you can access 1. Belt 2. Plastic pulley 3. Inverter 4. Motor 5. Heating element 6. Rear shock absorber 7. -
Page 76: Plastic Pulley
12.6.2 Plastic pulley Remove the back panel. Remove the belt. Insert a retainer to secure the pulley in place. Unfasten the screw securing the pulley to the drum shaft. Tighten the screw at a torque of 60 Nm. 12.6.3 Inverter Remove the back panel. -
Page 77: Motor
When repositioning the inverter in its seat, pay attention that the hook is inserted in its position in the crosspiece. 12.6.4 Motor Remove the back panel. Remove the belt. Disconnect the connectors: for the power supply and earthing. Loosen the two front fastening screws (1) and the rear ones (2). When reassembling, restore the connections. -
Page 78: Welded Tub Assembly
12.6.7 Welded tub assembly Remove the worktop. Remove the control panel. Remove the front panel. Remove the detergent tray. Remove the upper counterweight. Remove the front counterweight. Remove the back panel. To remove the washing unit assembly, disconnect: All the tub pipes, the wiring connectors that connect the heating element, the NTC probe, remove the belt and the motor (to lighten the tub). -
Page 79: External Liquid Supply Connection
13 External liquid supply connection 13.1 Replacement of the external liquid supply I/O board Disconnect the power to the appliance. Demount the top of the “box”. Demount the external liquid supply I/O board from the “box” and mount the new one. Remount the top of the “box”. -
Page 80: Uninstall The External Liquid Supply
13.3 Uninstall the external liquid supply Disconnect the power to the appliance. To deactivate the external liquid supply: The dip switches on the external liquid supply I/O board shall be set in OFF position. 13.4 Pump signal schedule Signal/Pump Chemical Used in Program Other info... - Page 85 www.electrolux.com/myPro...