SOGEDIS D4 Series Service Manual
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SOGEDIS D4 Series Service Manual

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Manuel de service
Séries D4

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Summary of Contents for SOGEDIS D4 Series

  • Page 1 Manuel de service Séries D4...

  • Page 2: Table Of Contents

    Table of Contents 1. Safety Precautions ..............................4 2. Specifications ................................5 3. Control Panel and Acronyms ........................... 6 4. Test Mode ................................7 4.1. Autotest..................................7 5. Service Mode ................................9 5.1. Service Autotest................................9 5.2. Failure Codes ..............................10 6.
  • Page 3 About Content This service bulletin is prepared for all OEM products within D4 range. Therefore you may encounter information about some optional components that may not exist in your product. As this is a generic service bulletin covering all range, please ignore and skip extra/optional component information. Sections marked with asterisk (*) sign contain information about optional components.

  • Page 4: Safety Precautions

    1. Safety Precautions Important: This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product. Products powered by electricity should be serviced or repaired only by experienced professional technicians.

  • Page 5: Specifications

    2. Specifications Here you will find descriptions of generic specifications for the range specified for this service manual. Please refer to product fiche and user manual for detailed technical specifications. *Twinjet System: Twinjet system is designed to obtain a better washing performance by directly injecting water with detergent using a recirculation system and two nozzles connected to it.

  • Page 6: Control Panel And Acronyms

    3. Control Panel and Acronyms Program selector 16 programs including off position Switch 1, Start / Pause Switch 2, Option 1 (Delay Timer) Switch 3, Option 2 (Drying Level) Switch 4, Spin Speed Selection Switch 5, Temperature Selection LED 1, Start/Pause LED LED 2, Drying Level 1 LED LED 3, Drying Level 2 LED LED 4, Drying Level 3 LED...

  • Page 7: Test Mode

    4. Test Mode 4.1. Autotest 4.1.1. Autotest Steps Autotest follows a predefined flowchart in order. Unlike 1. Press and hold SW5. service autotest, autotest automatically skips to next step upon completing one. The steps of the test are as follows: Step1: The drain pump is checked.
  • Page 8 AUTOTEST Time in seconds (to be adjusted) Entering autotest Changing power to 220 50Hz Main Voltage 50 Hz Door Lock Powered (Depends on door lock) Pump EPS measurement Motor Ramp to max spin (max. is 20 sec.) EV1 (flowrate dependent of washer) EV2 (flowrate dependent of washer) Dryer valve Time until motor is stopped (Depends on the motor stop time)

  • Page 9: Service Mode

    5. Service Mode 5.1. Service Autotest 5.1.1. Service Autotest Steps If you turn knob position to other program between 1st to 1. Press and hold SW4. it will skip current test and start the selected one. It is recommended not to skip any steps for a detailed checkup.

  • Page 10: Failure Codes

    5.2. Failure Codes Error Indication Error Number Indication in UI Indication in SI Door/Door Lock Failure Lack of water Pump failure Overflow NTC or Heater Failure Motor Failure Configuration Failure Motor Triac Failure Voltage Error Electronic Pressure Sensor Dryer Board Connection Failure Dryer Thermostat Failure Twinjet Failure Dryer Overheated Failure...

  • Page 11: Disassembly And Assembly Instructions

    7. Disassembly and Assembly Instructions 7.1. Top Plate Remove two screws that fix the top-plate at Push the top-plate back and pull it up. the back. 7.2. Door Remove two screws that fix the door. (by Pull the door up. using T25 tool) Put the door outside plastic with helping Remove screws that fix the door group.

  • Page 12: Spring Wire

    Remove the door inside plastic. Remove six screws that fix the door hinge. Remove the door handle. Remove the door handle pin. 7.3. Spring Wire First, remove the spring wire fixing the tub Remove the tub bellows seal-body fixing bellows seal by using the small size screw spring.

  • Page 13: Control Panel

    7.5. Control Panel Remove the screw which fixes the control Remove two screws fixing control panel. panel to the front panel.

  • Page 14: Electronic Card & Fuse

    Pull the control panel out. Remove connectors. Remove electronic card cover as it is shown Remove the PCB card box from the control in the pictures by using small screw driver. panel. 7.6. Electronic Card & Fuse Remove PCB box using a small screw driver. Unplug display card connector.

  • Page 15: Front Panel

    7.7. Front Panel Remove the screw fixing the front panel at Remove two screws fixing the door lock the bottom Remove the tub bellows seal. Remove two screws fixing front panel to Remove the screw fixing twinjet elbow body Pull front panel up Remove front panel...

  • Page 16: Dryer Card

    Remove the screw that fixes the pump filter Release the holder of the pump filter cover. cover. 7.8 Dryer Card Remove the screws that fixes the dryer card Remove the sockets. 7.9 Dryer Unit Remove the screws that fixes the heater unit Remove the sockets of the heater unit of the dryer...
  • Page 17 Release the cable group by cutting the cable Remove the screws that fix the fan group. connection. Remove the Cable group of the dryer unit Remove the sockets of the heater group Remove the sockets of the fan group. Remove the screws that fix the fan group. Cut the cable connection of the dryer NTC Cut the connection plastic of the dryer unit.

  • Page 18: Support Bracket

    7.10 Support Bracket Remove two screws fixing the body group on Remove two clips fixing detergent drawer the upper part housing to upper support bracket 7.11 Detergent Drawer Housing Remove the tub bellow hose by releasing the Unplug connectors from feed valve holder extensions of bellow hose Slightly turn the feed valve counter- Remove the detergent drawer housing...

  • Page 19: Electronic Pressure Switch (Eps)

    Pull the power cable group up Remove EMI filter 7.13 Electronic Pressure Switch (EPS) Unplug EPS connector Pull EPS up Remove clamp from EPS hose 7.14 Door Lock* Unplug door lock connector...

  • Page 20: Drain Pump

    7.15 Drain Pump Remove clamp holding drain hose by using Remove clamp fixing tub outlet hose a plier Unplug drain pump connector Remove screws holding drain pump 7.16 Front Counterweight* Remove three screws on the front Gently pull counterweight out counterweight.

  • Page 21: Tub Bellow Seal

    Pull heater out gently holding both sides. 7.18 Tub Bellow Seal* Remove the tub gasket clip by using small Hold the tub bellows seal and gasket-body screwdriver fixing spring together, and pull them out. 7.19 Transport Screw Remove four transport screws Hold the transport screw and pull it out.

  • Page 22: Washing Group

    7.21 Washing Group Unplug motor connectors Cut all the cable ties which fix cable group Remove the washing group carrying it out through Remove the screws fixing hanger bracket front side 7.22 Shock Absorber Pin 7.23 Driven Pulley Remove shock absorber pins squeezing the Remove the belt rotating the driven pulley ratchet by a pliers 7.24 Driven Pulley...

  • Page 23: Motor

    7.25 Motor Remove two screws holding motor by using Pull motor up box wrench 7.26 Tub Remove tub inlet bellow hose loosening the Remove screw holding EPS reservoir clamp squeezing it by using a pliers Remove tub outlet bellowed hose loosening Remove 19 screws around tub using box screwed-clamp wrench size 8 mm...

  • Page 24: Component Specifications

    8. Component Specifications 8.1. Drain Pump Drain pump is both a mechanical and electrical component which is used to drain water inside the washing machine. It has an synchronous motor inside. better performance maintanance, pump filter should be cleaned regularly. Drain pump Technical features Nominal voltage...

  • Page 25: Heater

    8.2. Heater Heating element (Resistance) is a component which is desingned to regulate temperature of water inside the drum. It has three connections: Phase, notral and ground connections. Resistance Technical features Heater type Tubular heating element Nominal power 2000 W ±5% with NTC –...

  • Page 26: Washer Ntc

    8.3. Washer NTC The component which sends signals to PCB about the water temperature inside the tub. The resistance value of the NTC decreases as the temperature increases. Technical features Temp. R min Temp. R min R max R max (kΩ) (°C) (kΩ) (°C)

  • Page 27: Valve

    8.4. Valve Washer Valves Dryer Valve Valve is an electrical and mechanical component which is designed to take water from network system into the washing machine. It is operated by PCB card. Valves Technical features Nominal voltage 220-240 V Flow rate (washer valves) 7 L/min (±15 %) Frequency 50-60 Hz...

  • Page 28: Electronic Pressure Sensor (Eps)

    8.5. Electronic Pressure Sensor (EPS)* Electromagnetic field occurs due to movement of pressurized membrane. The coil moves vertically by nucleus due to electromagnetic field. The water level is regulated according to the frequency changes of the coil by electronic card. Testing component 1.

  • Page 29: Motor

    8.6. Motor The washing machine has an asynchronous motor. It is controlled by the PCB. It is essential to check the motor for correct diagnosis and quick servicing. In the below picture, socket points on the motor is shown to measure with multimeter.

  • Page 30: Door Lock

    8.7. Door Lock* Door lock is activated at the beginning of the program in order to prevent the door from opening. It can be unlocked between 45 seconds to 85 seconds after the program end. This time delay is caused by the PTC which is assembled in the door lock.

  • Page 31: Fan Group

    8.8. Fan Group Air pump component for drying cycle. Pumps dry cold air from condenser to dryer heater. Fan group Technical features Nominal voltage 230 V Resistance @ 20°C 82.7Ω ±3Ω Frequency 50 Hz Motor speed 1300 RPM Rated Power 34 W Air Flow Rate 70 m...

  • Page 32: Dryer Heater

    8.9. Dryer Heater Air heater unit consist of two separate resistance with nickel diffusion technology. Dryer Heater Technical features Nominal voltage 230 V Resistance @ 20°C 65.5 – 72.6 Ω Rated power (Heater I) 750 W Rated power (Heater II) 750 W Testing component Check the resistance value on the component with multi-meter as shown in below figures.

  • Page 33: Dryer Ntc

    8.10. Dryer NTC The component which sends signals to PCB about the flowing air temperature just after dryer heater. The resistance value of the NTC decreases as the temperature increases. Dryer NTC Technical features Temp. R min R max Temp. R min R max (°C)

  • Page 34: Component Control On Pcb

    8.11 Component Control on PCB Sockets on the PCB Motor Scokets on the Dryer Board 8.11.1 Washer NTC NTC resistance values are checked (black cables) as shown. Refer to the relevant table for the NTC resistance values..
  • Page 35 8.11.2 Circulation Pump Resistance values are checked (red cables) as shown. 8.11.3 Washer Valves Valve resistance value is checked with a multimeter as shown. Washer valves resistance values : 3750 Ω +10% Pre-Wash Valve: Main Wash Valve: Check the red cables Check the black cables...
  • Page 36 8.11.4 Drain Pump Check the blue-blue cables Drain Pump resistance value: 125 - 140 Ω 8.11.5 Door Lock Resistance value is checked with a multimeter as shown. Check the white and blue cables Resistance values 240Ω ±20% (25 °C) 8.11.6 Dryer NTC Component Control : Check the socket at the bottom of the dryer board as shown.

  • Page 37: Wiring Diagram

    9. Wiring Diagram*...

  • Page 38: Troubleshooting

    10. Troubleshooting Please apply basic troubleshooting steps described in user manual. If you can not find a solution you should run service autotest and complete all steps. In case of an error encounter please follow the instructions through flowchart related with the error.
  • Page 39 Lack of Water Is water inlet tap Open the tap opened? Are environmental Do not run WM till enviromental conditions in conditions are OK? product specifications are met Check water pressure, is it Do not run WM till required plumping operations are between specified range in done and water pressure is in required range.
  • Page 40 Drain Pump Failure Are environmental Do not run WM till enviromental conditions in product specifications are met conditions are OK? Is pump filter clogged or is there Clean pump filter/remove foreign object a foreign object around pump propeller? Check PCB socket connections.
  • Page 41 Overflow Are environmental Do not run WM till enviromental conditions in product specifications are met conditions are OK? Check PCB socket connections. Is thee any Refit loose sockets/connectors, replace cable loose socket/connector? group if connectors/sockets are worn Similarly check pressure switch/sensor and valve connectors.
  • Page 42 Washer Heater or NTC Failure Are environmental Do not run WM till enviromental conditions in product specifications are met conditions are OK? Check PCB socket connections. Is thee any Refit loose sockets/connectors, replace cable loose socket/connector? group if connectors/sockets are worn Similarly check resistance and NTC connectors.
  • Page 43 Motor Error Are environmental Do not run WM till enviromental conditions in product specifications are met conditions are OK? Check PCB socket connections. Is thee any Refit loose sockets/connectors, replace cable loose socket/connector? group if connectors/sockets are worn Similarly check motor connectors.
  • Page 44 EPS Error Are environmental Do not run WM till enviromental conditions in product specifications are met conditions are OK? Check PCB socket connections. Is thee any Refit loose sockets/connectors, replace cable loose socket/connector? group if connectors/sockets are worn Similarly check EPS connectors.
  • Page 45 Dryer Board Communication Error Are environmental Do not run WM till enviromental conditions in product specifications are met conditions are OK? Check PCB socket connections. Is thee any Refit loose sockets/connectors, replace cable loose socket/connector? group if connectors/sockets are worn Similarly check dryer board connectors.
  • Page 46 Dryer Heater Thermostat Error Are environmental Do not run WM till enviromental conditions in product specifications are met conditions are OK? Check PCB socket connections. Is thee any Refit loose sockets/connectors, replace cable loose socket/connector? group if connectors/sockets are worn Similarly check dryer board connectors.
  • Page 47 Dryer Heater Thermostat Error Are environmental Do not run WM till enviromental conditions in product specifications are met conditions are OK? Check PCB socket connections. Is thee any Refit loose sockets/connectors, replace cable loose socket/connector? group if connectors/sockets are worn Similarly check dryer board connectors.

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