DeDietrich DWF94WA Technical Manual
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DeDietrich DWF94WA Technical Manual

DeDietrich DWF94WA Technical Manual

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Technical Study
De Dietrich Washing Machine

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Summary of Contents for DeDietrich DWF94WA

  • Page 1 Technical Study De Dietrich Washing Machine...

  • Page 2: How To Use This Manual

    How to use this manual This document is for use by all persons providing technical assistance service (T.A.S.). It is an aid for repairing the product described, and provides back-up documentation for technical consultations. The following safety warnings are given in this manual: Electrical Hazard: Identifies possible electrical risks which could permanently damage the appliance.

  • Page 3: Table Of Contents

    Contents 1.- Installation instructions ..........5 1.1.- Moving and instaling ............5 1.2.- Detergent Box Group............7 2.- Operating instructions ..........8 2.1.- LCD Screen, Function, Buttons and Knobs ......8 2.2.- Program List ..............10 2.3.- Child Lock ................10 3.- Test Mode ..............12 3.1.- Autotest................
  • Page 4 Contents 6.10.- Door Lock ................ 28 6.11.- Pump Motor ..............28 6.12.- Front Counterweight ............29 6.13.- Heater ................30 6.14.- Tub Bellows Seal ............. 31 6.15.- Transport Screw .............. 31 6.16.- Upper Counterweight ............31 6.17.- Washing Group ............... 32 6.18.- Shock Absorber PIN ............

  • Page 5: Installation Instructions

    Installation 1.- Installation instructions 1.1. Moving and Installing 1.1.1. Removal of Transportation Screw 1. Transportation screws, which are located at the back side of the machine, must be removed before running the machine. 2. Loosen the screws by turning them anticlockwise with a suitable spanner.
  • Page 6 Installation 1.1.3. Electrical Connection 1. Washing machine requires a 50Hz supply of 220-240Volts. 2. A special earthed plug has been attached to the supply cord of washing machine. This plug must be fitted to an earthed socket. The fuse value fitted to this plug should be 13 amps.

  • Page 7: Detergent Box Group

    Installation 1.2. Detergent Box Group Prewash water entry valve 1 VALVE1 Main water entry valve 2 MAIN Softener water entry valve 1 + valve 2 SOFTENER PREWASH VALVE2...

  • Page 8: Functional Description

    Functional description 2. Operating Instructions 2.1. LCD Screen, Function Buttons & Knobs 2.1.1. F4 Display Rapid 15’ Cotton 90ºC Diary 60’ Cotton Shirts Cotton 60ºC Cotton 40ºC Sport Eco 20ºC Hand Wash Easy Care Delicate Spin Wool Rinse ON/OFF Start / Pause Option Buton Delay Mode Spin...
  • Page 9 Functional description 2.1.2. F2 Display Rapid 15’ Cotton 90ºC Diary 60’ Cotton Shirts Cotton 60ºC Cotton 40ºC LD10 Sport Eco 20ºC Hand Wash Easy Care Delicate Spin Wool Rinse ON/OFF ON/OFF ON/OFF Start / Pause Start / Pause Start / Pause Option Buton Option Buton Option Buton...

  • Page 10: Program List

    Functional description 2.2. Program List KNOB PROGRAM POSITION Cotton 90°C Rapid 15’ Cotton 90ºC Cotton Prewash Cotton Diary 60’ Cotton Eco Shirts Cotton 60ºC Cotton 40°C Eco 20°C Cotton 40ºC Easy Care Sport Eco 20ºC Wool Hand Wash Easy Care Delicate Rinse Spin...
  • Page 11 Functional description Deactivation (F2 and F4) 1. Press the SW2 and SW3 buttons simulaneously for 3 sec. 2. L4 and L5 wil make fast blink for 2 sec to indicate child lock is deactivated. Child lock during the programme 1. Machine does not respond to any pressing of buttons or changing position of program knob.When the user try to change programme knob during child lock, for F2A, F2B and F2C panels , Led 4 and L5 will make fast blink for 2 sec .

  • Page 12: Troubleshooting

    Troubleshooting 3. Test Mode 3.1. Autotest * This test is for quick checking of the product. You can not see the failure codes. 1. Press SW5 button and simultaneously position program knob to 1 2. After 3 sec, door will be locked and the auto test starts.
  • Page 13 Troubleshooting...

  • Page 14: Service Mode

    Troubleshooting 4. Service Mode 4.1. Service Autotest End users can only see E1-E2-E3-E4. During service autotest, other failures can be seen. 1. To activate service autotest, Press SW4 button and simultaneously position program knob to 1. 2. After 3 sec, door will be locked , after door is locked, all leds will be fix OFF and machine will get into service autotest mode.

  • Page 15: Error Codes

    Troubleshooting Step 3 : Selector Position 3 will be 15 minutes test program. So machine will make exactly the same algorithm of 15 minutes test program. At the end of 15 minutes test program “END” is visualized and door is unlocked. During test pressing other buttons makes no change.

  • Page 16: Error Indications

    Troubleshooting 4.3. Error Indications Error Code Indication Pictures Wash L1 + L2 Led Blink Rinse Spin Wash L1 + L3 Led Blink Rinse Spin Wash L1 + L4 Led Blink Rinse Spin Wash L2 + L3 Led Blink Rinse Spin Wash L2 + L4 Led Blink Rinse...

  • Page 17: Troubleshooting Guide

    Troubleshooting 5. Troubleshooting Guide All repairs which must be done on the machine should be done by authorized agents only. When a repair is required for machine or you are unable to eliminate the failure with the help of the information given below: - Unplug the machine.
  • Page 18 Troubleshooting FAILURE PROBABLE CAUSE METHODS OF ELIMINATION Press the start/pause button. In order to stop the foam, dilute one table-spoon of softener inhalf liter of water and pour it in Too much detergent has the detergent drawer. Press the start/pau- Excessive foam been used.

  • Page 19: Disassembly And Assembly Instructions

    Disassembly instructions 6. Disassembly and Assembly Instructions 6.1. Top Plate 1. Remove two screws that fix the top-plate at the back. 2. Push the top-plate back and pull it up. 6.2. Door 1. Remove two screws that fix the door. (by using the T25) 2.
  • Page 20 Disassembly instructions 4. Put the door outside plastic with helping screwdri- ver as it is shown in the picture. 5. Remove the door inside plastic as it is shown in the picture. 6. Remove six screws that fix the door hinge as it is shown in the picture.

  • Page 21: Tub Bellows Seal

    Disassembly instructions 6.3. Tub Bellows Seal 1. First remove the spring wire fixing the tub bellows seal by using the small size screw driver. Pull the tub bellows seal as it is shown in the pictu- 2. Remove the tub bellows seal-body fixing spring. 6.4.
  • Page 22 Disassembly instructions 2. Remove three screws fixing the control panel. 3. Pull the control panel up. 4. Press the button as shown in the picture. 5. Remove the cable group as it is shown in the pic- ture. 6. Remove electronic card cover as it is shown in the picture by using small screw driver.

  • Page 23: Front Panel

    Disassembly instructions 7. Remove electronic card as it is shown in the pic- ture. 8. Push clips to remove to selection button as it is shown in the Picture. 9. Remove selection button as it is shown in the Pic- ture.
  • Page 24 Disassembly instructions 2. Remove two screws fixing bottom the front panel. 3. Remove two screws fixing upper the front panel. 4. Remove two screws fixing door lock it is shown in the picture. 5. Remove two screws fixing the body group at the front as it is shown in the picture.
  • Page 25 Disassembly instructions 6. Lift upper support braket up slightly it it ishown in the picture. 7. Remove the pump cover housing as it is shown in the picture. 8. Remove the front panel as it is shown in the pic- ture.

  • Page 26: Detergent Drawer Housing

    Disassembly instructions 6.7. Detergent Drawer Housing 1. Remove detergent drawer group two clips fixing the upper support bracket as it is shown in the pic- ture. 2. Remove the tub seal clamp by using the pliers, which is attached to the detergent drawer housing. 3.

  • Page 27: Power Cable Group And Parasite Filter

    Disassembly instructions 5. Remove the detergent drawer housing assembly. 6.8. Power Cable Group and Parazit Filter 1. Remove the five conectors that is connected to the parasite filter. 2. Remove two screws fixing the parasite filter. 3. Pull the power cable group up as it is shown in the picture.

  • Page 28: Electronic Pressure Switch (Eps)

    Disassembly instructions 6.9. Electronic Pressure Switch (EPS) 1. Remove the connector that is connected to the EPS. 2. Pull the EPS upward to remove as it is shown in the picture. 3. Remove the eps hose handcuffs and eps hose as it is shown in the picture.

  • Page 29: Front Counterweight

    Disassembly instructions 2. Remove pipe clip fixing the tub outlet hose. 3. Remove the connector that is connected to the pump motor. 4. Remove four screws fixing the pump motor. 6.12. Front Counterweight 1. Remove four screws fixing the front counterweight on the front.

  • Page 30: Heater

    Disassembly instructions 6.13. Heater 1. Remove the four connectors that is connected to the heater. 2. Remove one nut fixing the heater slightly (box wrench size 8 mm) 3. Hold the heater and pull it out. 6.14. Tub Bellows Seal 1.

  • Page 31: Tub Bellows Seal

    Disassembly instructions 2. Hold the tub bellows seal and gasket-body fixing spring together, and pull them up. 6.15. Transport Screw 1. Remove four transport screws (box wrench size 10 mm) 2. Hold the transport screw and pull it out. 6.16. Upper Counterweight 1.

  • Page 32: Washing Group

    Disassembly instructions 2. Remove the upper counterweight 6.17. Washing Group 1. Remove the connector that is connected to the motor. 2. Cut the five lead wire holders as shown the pictures.

  • Page 33: Shock Absorber Pin

    Disassembly instructions 3. Remove the four screws fixing the spring hanger sheet iron. 4. Remove the washing group as it is shown in the picture. 6.18. Shock Absorber PIN 1. Remove two pins fixing the shock absorber as shown in the picture. 6.19.

  • Page 34: Driven Pulley

    Disassembly instructions 6.20. Driven Pulley 1. Remove the screw fixing driven pulley it is shown the picture (By using T40). 2. Remove the driven pulley it is shown the picture. 6.21. Motor 1. Remove the four screws fastening the motor un- der the tub by using T40 2.

  • Page 35: Tub Entrance With Bellow Hose

    Disassembly instructions 6.22. Tub Entrance with Bellow Hose 1. Remove the tub entrerance with bellow hose. 6.23. Pressure Switch Hose Group 1. Remove screw fixing the pressure switch water reservoir. 2. Remove the tub exit with bellow hose with ball by using box wrench size 10 mm.

  • Page 36: Drum

    Disassembly instructions 6.25. Drum 1. Remove the drum.

  • Page 37: Functional Description

    Functional description 7. Component Specifications 7.1. Drain Pump Drain pump is both a mechanical and elektrical com- ponent which is used to drain water inside the was- hing machine. It has an synchronous motor inside. For better performance maintanance, pump filter should be cleaned regularly.

  • Page 38: Ntc

    Functional description 7.2.2. Checking of Component Check the resistance value on the component with multimeter as shown in below pictures. 7.3. NTC Component which sends signals to PCB about the water tempera- ture inside the tub. The Resistance (Ohm) value of the NTC decreases as the tempe- rature increases.

  • Page 39: Valve

    Functional description 7.3.2. Checking of Component Check the resistance value on the component with multimeter as shown in below pictures. 7.4. Valve Valve is an electrical and mechanical component which is designed to take water from the network system into the washine machine. It is operated by PCB card.

  • Page 40: Electronic Pressure Switch (Eps)

    Functional description 7.5. Electronic Pressure Switch (EPS) 8.5.1. Technical Features Electromagnetic field occurs as a result of the vibra- tion of the membrane which is under pressure in the coil. The nucleus part is moved up and down by the electromagnetic field.
  • Page 41 Functional description Tacho and stator (full field-half field) ohm resistance Tacho Socket values for the motor types are listed in the below Terminal table. Stator Full Field Coil Socket Terminal Stator Half Field Coil Socket Terminal Resistance values for the motor types STATOR STATOR MOTOR...

  • Page 42: Door Lock

    Functional description 7.7. Door Lock Door lock is activated at the beginning of the pro- gram in order to prevent the door from opening. It can be unlocked approximately after 2 minutes of the program end. This time delay is caused by the PTC which is assambled in the door lock.

  • Page 43: Wiring Diagrams

    Schematic and diagrams 8. Wiring Diagrams TACO TACO ROTOR ROTOR ESTATOR ESTATOR MEDIO ESTATOR PROTECTOR TERMICO PROTECTOR TERMICO...
  • Page 44 Schematic and diagrams Main Control Card Valve sensor NTC Circ. Pump Heating Pre-wash Valve Drain Pump Element Pressure switch Door Lock BLDC Earth Cable BLDC Communication Cable BLDC Motor BLDC Card...
  • Page 45 8.26 BLDC Card Remove the bottom plate by tilting the This is the only way to remove the card without machine removing the washer group Remove the card by pressing the clip that placed behind (it could be seen on the first image) of the card and pushing the card.
  • Page 46 Remove the connections. Remove the card completely Remove the ground connection and make sure this Remove the BLDC motor card fixing screws. connection is plugged during the assembly.

  • Page 47: Nous Contacter

    Nous contacter FORMATION TECHNIQUE Tél : 01 34 30 66 09* Fax : 01 72 26 56 96 Courriel : Formationtechnique@groupebrandt.com *du lundi au vendredi de 9h à 12h et 14h à 17h 5/7 Avenue des Béthunes - 95310 Saint Ouen L'Aumône SAS au capital de 1 000 000 euros RCS Nanterre 801 250 531 SIRET 801 250 531 00077...

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