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Miele W 4802 Technical Information

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TECHNICAL INFORMATION
W 48xx Washers (US Models)
© 2018 Miele USA

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Summary of Contents for Miele W 4802

  • Page 1 TECHNICAL INFORMATION W 48xx Washers (US Models) © 2018 Miele USA...

  • Page 2: Table Of Contents

    W 48xx Technical Information Table of Contents Warning and Safety Instructions ............7     1  General ...................... 7  2  Sharp Edges ....................7  3  Touch Current Measurement ..............7  4  Restoring the Ground Connection after Dismantling the Front and Side Panels ......................
  • Page 3 W 48xx Technical Information 4.3  Lighting Assembly Removal ............25  4.4  Imbalance Sensor Removal ............25  4.5  Suds Container Removal ............. 25  Water Intake .................... 27     1  Technical Data ..................28  2   Function ....................28  2.1   Float Switch B8 ................
  • Page 4 Service ..................... 58  4.1   Programming Mode (W 4800, W 4802) ........58  4.2   Activating/Deactivating Demo Mode (W 4800, W 4802) ....62  4.3   Programming Mode (W 4840, W 4842) ........62  4.4   Activating/Deactivating Demo Mode (W 4840, W 4842) ....65 ...
  • Page 5 W 48xx Technical Information Electrical System ................... 80     1   Technical Data ..................81  4   Service ..................... 81  4.1   Power Electronic Removal ............81  4.2   RemoteVision Module Removal ..........81  Technical Service Bulletins ................82  ...
  • Page 6 Table 060-2: Drive Special Tools ..................34  Table 070-1: Fascia Panel and Control Electronic Data ..........38  Table 070-2: Programming-Mode Overview, W 4800 and W 4802 ........ 61  Table 070-3: Programming-Mode Overview, W 4840 and W 4842 ........ 65  Table 070-4: Service Mode Overview, W 4800 ............... 70 ...

  • Page 7: Warning And Safety Instructions

    W 48xx Technical Information Warning and Safety Instructions General All repairs should be performed by a trained technician in strict accordance with national, state and local codes. Any repairs or maintenance performed by unqualified personnel could be dangerous. When servicing, modifying, testing or maintaining appliances, all applicable laws, regulations and accident prevention guidelines must be observed.

  • Page 8: Restoring The Ground Connection After Dismantling The Front And Side Panels

    W 48xx Technical Information Restoring the Ground Connection after Dismantling the Front and Side Panels Danger! The ground connection can be invalidated by faulty reassembly of laundry- care appliances. The ground connection for laundry-care appliances is established via screws: Raised-head screws with teeth or toothed washers underneath connect the ground lead to the interference-suppression filter, the front panel, the side panels and the housing frame.

  • Page 9: C Technical Data

    Modifications ID:1828 EW165 Series start for W 4842 ID:1826 EW100-U Series start for W 4802 ID:1827 ELP255 Series start for W 4802, W 4842 ID:1293 EW165 Series start for W 4840 ID:1079 EW100-U Series start for W 4800 ID:1043 ELP255...

  • Page 10: Machine Components

    W 48xx Technical Information Machine Components Figure D-2: W 48xx Component Layout 1 (B8) Float switch 9 (1N1) Power electronic (ELP) 2 (A2) Door lock 10, 11 (2N1) Control electronic 3 (B3/4) Flow meter 12 Pressure sensor 4 (Y12) Hot-water inlet valve 13 (H3/6) Drum light 5 (Y14) Cold-water inlet valve 14 (R1) Heater element...

  • Page 11: Casing, Lid, Shipping Struts

    W 48xx Technical Information Casing, Lid, Shipping Struts...

  • Page 12: Technical Data

    W 48xx Technical Information Technical Data Design Frame construction Table 010-1: Casing Technical Data Fault Repair Vibrations during Spin Cycle Cause: The shipping struts are still in the appliance. Remedy: Remove the shipping struts. Note: To set up and connect the appliance, refer to the operating instructions. Cause: The floor is unstable.

  • Page 13: Side Panel Removal

    W 48xx Technical Information Figure 010-1: Lid Removal Side Panel Removal 1. Disconnect the machine from the power supply. 2. Remove the lid; refer to Section 010-4.1. 3. Remove the nine T20 screws (3 front, 3 top, 3 rear) securing the appropriate side panel.

  • Page 14: Figure 010-2: Front Panel Removal

    W 48xx Technical Information 6. Loosen the door seal from the front panel. 7. Remove the two T30 screws securing the front panel above and below the porthole (fill hole); see Figure 010-2, Item 3. 8. Close the door. 9. Remove the T20 screw securing the detergent drawer trim piece to the front panel;...

  • Page 15: Float/Float Switch (B8) Removal

    W 48xx Technical Information Float/Float Switch (B8) Removal Danger! Risk of electric shock when working on low-voltage components. In the power electronic, there is no galvanic isolation from the power supply. When working on a washer connected to the power supply, be aware of the risk of potential voltage on low-voltage components.

  • Page 16: Door, Magnet, Lock

    W 48xx Technical Information Door, Magnet, Lock...

  • Page 17: Technical Data

    W 48xx Technical Information Technical Data Special tools To run the appliance in service mode Locking latch with the front panel removed To run the appliance in service mode View panel with the front panel removed Table 020-1: Door, Magnet, Lock - Special Tools Function Door Lock (A2) 2.1.1...

  • Page 18: Fault Repair

    W 48xx Technical Information Fault Repair Door Lock (A2) Does Not Lock The door latch hits the locking mechanism when pushing into the door lock. Cause: The locking mechanism is locked, with the door open. Remedy: 1. Open the door lock manually; refer to Section 020-4.1. 2.

  • Page 19: Removing Door Lock A2

    W 48xx Technical Information Removing Door Lock A2 1. Disconnect the appliance from the power supply. 2. Remove the front panel; refer to Section 010-4.3. 3. Slide the door lock up and off the appliance chassis. See Figure 020-2. 4. Disconnect all electrical connections from the door lock. Figure 020-2: Door Lock Removal Door Assembly Removal 1.

  • Page 20: Figure 020-3: Door Assembly

    W 48xx Technical Information Figure 020-3: Door Assembly Note: The screw caps in the door ring are destroyed during dismantling and have to be replaced when reassembling the door. Do not damage the porthole ring when removing the screw caps. 2.

  • Page 21: Suds Container, Drum, Bearing, Heater Element

    W 48xx Technical Information Suds Container, Drum, Bearing, Heater Element...

  • Page 22: Technical Data

    W 48xx Technical Information Technical Data Non-metal suds container, drum Moving component incline 8° Drum Honeycomb drum Drum diameter 19” (480mm) Suds container Capacity, dry laundry 8 kg Drum volume 21 gal (80 L) Fill hole 15 ¾” (400mm) Drum light LED, 3.4V/1W Table 030-1: Technical Data: Suds Container, Drum, Bearing, Heater Element Temperature (°F) Resistance (kΩ)

  • Page 23: Light In The Door Concertina Seal

    W 48xx Technical Information level during heating, then  the heater is switched off for 2 minutes. It will only be switched on again when the pressure increase drops to 0.6” wc above wash level; no fault message for target temperature not reached is issued, ...

  • Page 24: Service

    W 48xx Technical Information Service Heater Element and NTC (R30) Removal Danger! Risk of electric shock when working on low-voltage components. In the power electronic (ELP), there is no galvanic isolation from the power supply. When working on a washer connected to the power supply, be aware of the risk of potential voltage on low-voltage components.

  • Page 25: Lighting Assembly Removal

    W 48xx Technical Information Figure 030-1: Door Seal Removal 8. When installing, make sure that the door seal marker is in the 9 o'clock position; see Figure 030-1. Lighting Assembly Removal 1. Disconnect the appliance from the power supply. Note: Refer to Figure 030-1, if necessary.
  • Page 26 W 48xx Technical Information 8. Remove the hose from the air brake at the top of the suds container. 9. Remove the concertina hose from the side of the suds container. 10. Remove the RemoteVision module; see Section 090-4.2. 11. Unclip the main wiring harness assembly from the side frame, motor and door lock, disconnecting connections as necessary.

  • Page 27: Water Intake

    W 48xx Technical Information Water Intake...

  • Page 28: Technical Data

    W 48xx Technical Information Technical Data 5-line water path control unit (M24) and 4- compartment detergent drawer Volume counter / Flow meter (B3/4) Cold-water connection: Solenoid valve Water intake USA: Hot-water connection: Solenoid valve with Y-piece hose connection to flow meter B3/4 Water control system (WCS) or waterproof system (WPS) Table 040-1: Water Intake Data...

  • Page 29: Water Intake Monitoring - Water Control System (Wcs)

    W 48xx Technical Information Water Intake Monitoring - Water Control System (WCS) Water intake monitoring will register a shut-off faucet, too-low water pressure, or a seal problem (such as a missing lint filter). If a fault occurs, the program is stopped and the fault message Water intake fault is displayed.

  • Page 30: Service

    W 48xx Technical Information Service Water Path Control Unit Removal Danger! Risk of electric shock when working on low-voltage components. In the power electronic, there is no galvanic isolation from the power supply. When working on a washer connected to the power supply, be aware of the risk of potential voltage on low-voltage components.

  • Page 31: Drainage

    W 48xx Technical Information Drainage...

  • Page 32: Technical Data

    W 48xx Technical Information Technical Data Synchronized pump/motorized drain pump (M8) Drain pump Max. head height 3', max. drain hose length 16'5” Table 050-1: Drain Pump Data Function Water Drain Monitoring With the drain pump activated, the water level is monitored to check if it has dropped to 2”...

  • Page 33: Drive

    W 48xx Technical Information Drive...

  • Page 34: Technical Data

    W 48xx Technical Information Technical Data Commutator-free 3-phase asynchronous motor MXT 40. Toothed Drum drive motor (M5) V-belt. RPM monitoring 16-pin tachogenerator Guide Frequency converter (FU) integrated into power electronic (ELP). Table 060-1: Drive Data Special tool MXT 40 Assembly lever for toothed V-belt Mat.

  • Page 35: Fault Repair

    W 48xx Technical Information Fault Repair Defective Drum Drive Cause: Defective drive. Remedy: 1. Check drive. 2. Check drive MXT 40; refer to Section 060-4.3. Service Tachogenerator Danger! Risk of electric shock when working on low-voltage components. In the power electronic (ELP), there is no galvanic isolation from the power supply.

  • Page 36: Drive Removal

    W 48xx Technical Information toothed V-belt and check the drum and drive motor for free movement. Check the motor winding temperature limiter (Klixon): Pull the plug off the motor. Check the motor winding temperature limiter for continuity, open circuit and short circuit. Check the motor winding.

  • Page 37: Fascia Panel, Electronic

    W 48xx Technical Information Fascia Panel, Electronic...

  • Page 38: Technical Data

    W 48xx Technical Information Technical Data Novo IV Plus controls with keypads and LCD display Control electronic USA: Novo IV Basic controls with keypads: EW 100-U ELP 255 with integrated frequency Control technology converter Power electronic Control electronic Novotronic IV. Update capable via optical PC interface.

  • Page 39: Action After A Power Failure

    W 48xx Technical Information Action after a Power Failure The appliance automatically continues the program at the exact point where it stopped when the power cut out. Programming Functions (HY IV E) 2.3.1 Water Plus Setting for Water Plus. When Water Plus is selected, the water level is raised and/or an additional rinse cycle is carried out.
  • Page 40 W 48xx Technical Information 2.3.8 Standby When the standby function is activated, the display dims after 10 minutes to reduce energy consumption. If the option Not during a running program is selected, the standby function only acts before and after a program cycle, but not during a running program. 2.3.9 Water Intake Activation of hot-water valve (Y12/2Y40).
  • Page 41 W 48xx Technical Information optimum adaptation to the needs of allergy sufferers:  additional rinse cycles,  higher water levels,  additional spin for suds extraction,  speed of spin for suds extraction,  rinse to clear foam remnants from porthole. 2.3.19 Sensor-Controlled Rinse Cycle During the rinse cycle, cold rinse water drenches the laundry and mixes with...
  • Page 42 W 48xx Technical Information 2.3.25 Imbalance Sensor Adaptation of the imbalance and load calculation to existing sensors:  speed sensor (tachogenerator),  imbalance sensor,  load sensor. Note: The load sensor option has to be activated for the load sensor to display. 2.3.26 Water Valves Activation and fault monitoring of the water valves or water path control unit...

  • Page 43: Service Functions

    W 48xx Technical Information 2.3.34 Brightness The brightness of the display can be adjusted to suit the existing lighting conditions. See Section 070-4.3. 2.3.35 Fascia Panel Type The different features are:  Front/top loader,  Load amount,  Extras Short/Intensive, ...

  • Page 44: Demo Mode

    Display and LEDs are activated automatically for demonstration. Electronic components are not switched on. Activate/deactivate the demo program mode. W 4840, W 4842: See Section 070-4.4. W 4800, W 4802: See Section 070-4.2. 2.5.2 Demo Program Mode (Program Simulation) The appliance can be operated.

  • Page 45: Fault Repair

    Deactivate the demo mode.  W 4840, W 4842: See Section 070-4.4.  W 4800, W 4802: See Section 070-4.2. “Start” LED Flashes Rapidly Symptom: The drain pump (M8) is switched on for up to one hour, depending on level.

  • Page 46: Display Indicates: Appliance Is Locked

    Electronic lock function: See the operating instructions. Release the lock to select a program cycle: Enter code 125. Deactivate the lock: Select the Lock function and enter code 125.  W 4840, W 4842: See Section 070-4.3.  W 4800, W 4802: See Section 070-4.1.

  • Page 47: Display Indicates: No Start. Demo Mode Activated

    Deactivate the demo mode.  W 4840, W 4842: See Section 070-4.4.  W 4800, W 4802: See Section 070-4.2. Display Indicates: Waterproof, Shut Off Faucet Symptom: In the operating mode, the display shows: Waterproof reaction. The “Intake” and “Drain” LEDs flash rapidly.

  • Page 48: F 0 No Fault

    1. Check the fault memory, fix any faults and clear the fault memory.  W 4840, W 4842: See Section 070-4.7.  W 4802: See Section 070-4.6.  W 4800: See Section 070-4.5. 2. Refer to the material number to check if the correct control electronic (EW) and power electronic (ELP) are installed.

  • Page 49: F 10 Cold-Water Intake Fault

    1. Check temperature sensor R30 in service mode.  W 4840, W 4842: See Section 070-4.7.  W 4802: See Section 070-4.6.  W 4800: See Section 070-4.5. 2. Check the temperature sensor circuit for short circuit, open circuit and isolation.

  • Page 50: F 11 Water Drain

    4. If the available water pressure cannot be increased, program for a lower water pressure.  W 4840, W 4842: See Section 070-4.3.  W 4800, W 4802: See Section 070-4.1. Cause: Defective water inlet valve (Y14) / water intake hose valve (WPS) for cold water (1Y40). Remedy: Check valves Y14 and 1Y40.

  • Page 51: F 16 Oversudsing

    4. If the available water pressure cannot be increased, program for a lower water pressure.  W 4840, W 4842: See Section 070-4.3.  W 4800, W 4802: See Section 070-4.1. Cause: Defective water inlet valve (Y12) / water intake hose valve (WPS) for cold water (2Y40). Remedy: Check valves Y12 and 2Y40.

  • Page 52: F 19 Flow Meter Is Sluggish (Flow Meter B3/4 Or Volume Counter)52

    B3/4 does not consistently send a signal. Activate the volume counter.  W 4840, W 4842: See Section 070-4.3.  W 4800, W 4802: See Section 070-4.1. 3.19 F 20 Heater (R1) Symptom: The fault is not indicated in the operating mode.

  • Page 53: F 34 Door Does Not Lock

    W 48xx Technical Information Cause: The target temperature is not reached before the Thermostop time. Heater R1 is defective. Remedy: Check the heater. Check the heater element for short circuit, open circuit and isolation. 3.20 F 34 Door Does Not Lock Symptom: Program does not start after the Start button is pressed.

  • Page 54: F 39 Electronic Fault (Bae)

    W 48xx Technical Information 3.22 F 39 Electronic Fault (BAE) Cause: Faulty control electronic (EW). Remedy: Replace the control electronic (EW). See Section 070-4.8. 3.23 F 41 Electronic Fault (Faulty EEPROM/Faulty Data) Symptom: The program runs at default values. In the operating mode, the display indicates: Technical fault. The program is stopped, the water inlet valve is closed, and the drain pump is switched on for 120 seconds.

  • Page 55: F 46 Display

    3. Replace the power electronic (ELP), if necessary. See Section 090-4.1. 3.27 F 46 Display Symptom: This fault cannot be indicated. This fault can be read via the Miele diagnostic support (MDU). Cause: Internal fault in the control electronic (EW). Remedy: Replace the control electronic (EW). See Section 070-4.8.

  • Page 56: F 53 Speed Sensor (Tachogenerator)

    The imbalance sensor is integrated into the power electronic (ELP). Remedy: Test the imbalance sensor in service mode.  W 4840, W 4842: See Section 070-4.7.  W 4802: See Section 070-4.6.  W 4800: See Section 070-4.5. 3.31 F 53 Speed Sensor (Tachogenerator) Symptoms: In the operating mode, the display indicates: Technical fault.

  • Page 57: F 63 Water Path Control Fault

    W 48xx Technical Information Final spin speed is less than 400 rpm, when the target spin speed is at least 450 rpm. Remedy: 1. Check the detergent dosage; refer to Section 070-3.17. 2. Check the drive; refer to Section 060-3.1. 3.33 F 63 Water Path Control Fault Symptom:...

  • Page 58: Maximum Spin Speed Is Not Reached

    In the Water plus programming function, set the option to Water+. Cause: Child lock. Remedy: See Section 070-2.1. Service Programming Mode (W 4800, W 4802) Initial requirements: 1. Install and connect the appliance correctly. 2. End the current program as well as the demo mode. 3. Open the door. Accessing: Note: Access has to be completed within 10 seconds.
  • Page 59 W 48xx Technical Information 2. Close the door. 3. Release the Start button as soon as the “End” LED comes on. 4. Press Start 5 times; hold on the 5th time until the “Start” LED flashes rapidly (5 flashes per second). Acknowledgement indicator: “Start”...
  • Page 60 W 48xx Technical Information Programming function “Prewash” LED “Buzzer” LED Long Short Option Long Short Keypad tone; refer to Section 070-2.3.22. Save last special setting Off: Memory function not activated. (memory); refer to Section On: Memory function activated. 070-2.3.4. Cold (cold water/potable water) Water intake;...

  • Page 61: Table 070-2: Programming-Mode Overview, W 4800 And W 4802

    Unit with drum light: On Fascia type; refer to Permanent setting; cannot be changed. Section 070-2.3.35. Not activated Bleach; refer to Section 070-2.3.37. Activated Table 070-2: Programming-Mode Overview, W 4800 and W 4802 Refer to the fascia panel and data tag. Abbreviations:...

  • Page 62: Activating/Deactivating Demo Mode (W 4800, W 4802)

    OSCHL = No spin Save and quit: Open the door. Note: The indicated programming options are saved in the power electronic (ELP). Activating/Deactivating Demo Mode (W 4800, W 4802) Initial requirements: 1. Finish the current program. 2. Open the door. Accessing: Note: Access has to be completed within 10 seconds.
  • Page 63 W 48xx Technical Information 3. Open the door. Accessing: Note: Access has to be completed within 10 seconds. 1. Press Start and hold. 2. Close the door. 3. Release the Start button as soon as the “Start” LED flashes. 4. Press Start 5 times; hold on the 5th time until Program mode is displayed.
  • Page 64 W 48xx Technical Information Programming function Option Reset all programming options to delivery Reset; refer to Section 070-2.3.23. status. Language selection; refer to Section 070-2.3.6. English Water+: Increase in water level in soak, pre- wash, main wash and in the rinse cycles in certain programs.

  • Page 65: Activating/Deactivating Demo Mode (W 4840, W 4842)

    W 48xx Technical Information Programming function Option Off: Not activated; for detergent test facilities Automatic load control; refer to Section 070- only. 2.3.13. On: Activated. 2100W 4200W 2600W 3000W 4600W Heater rating; refer to Section 070-2.3.16. 5300W 720W 1060W 2500W 8100W Drum;...

  • Page 66: Service Mode Overview, W 4800

    W 48xx Technical Information Note: Access has to be completed within 10 seconds. 1. Press and hold Start. 2. Close the door. 3. When the “Start” LED lights up steadily (after about 5 seconds), release the Start button. 4. Press Start again immediately and hold until the “Start” LED goes out. Acknowledgement indicator: The “Start”...
  • Page 67 W 48xx Technical Information To start a service function: Press Start. Note: The component test switches off automatically 30 minutes after the last component is activated. Service function Option “Buzzer” “Prewash” Short Long Short Program index: ID of the power electronic (ELP), ID of the control Software status electronic (EW)
  • Page 68 W 48xx Technical Information Service function Option “Buzzer” “Prewash” Short Long Short F 47, EW-ELP interface; refer to Section 070-3.28. F 50, Drive; refer to Section 070- 3.29. F 51, Pressure sensor; refer to Section 070-3.30. Check fault memory delete F 53, Speed sensor (tachogenerator);...
  • Page 69 W 48xx Technical Information Service function Option “Buzzer” “Prewash” Short Long Short Water path Water run via control (M24) compartment position 4, water III up to level inlet valve (Y1 III (fabric and Y3, or softener Y14/Y40 with compartment). water path control), imbalance sensor...

  • Page 70: Table 070-4: Service Mode Overview, W 4800

    W 48xx Technical Information Service function Option “Buzzer” “Prewash” Short Long Short All sensors inactive. No water in the bottom pan -> Float not activated - > Switch Float switch (B8) closed-> in the bottom Buzzer on. Float activated-> Sensor test , Section 070- Switch open - 2.4.2...

  • Page 71: Service Mode Overview, W 4802

    Only interrupt the power supply as a last resort. Note: Delete the fault memory before ending. Service Mode Overview, W 4802 Initial requirements: 1. Install and connect the appliance correctly. 2. End the current program as well as the demo mode.
  • Page 72 W 48xx Technical Information Service function Option “Buzzer” “Prewash” Short Long Short Program index: ID of the power Software status electronic (ELP), ID of the control electronic (EW) F 0, no fault; refer to Section 070- 3.11. F 1, water/heater NTC short circuit;...
  • Page 73 W 48xx Technical Information Service function Option “Buzzer” “Prewash” Short Long Short F 63, Water path control; refer to Section 070-3.33. Check fault memory delete F 92, Bacterial control; refer to Section 070-3.34. All components inactive. Water path control (M24) position 1, only if Water run present and...
  • Page 74 W 48xx Technical Information Service function Option “Buzzer” “Prewash” Short Long Short Drain pump (M8) Activate drain pump and drainage, independent of level. Drum drive Activate drum, motor (M5) agitation, wash. Drum drive Drum drive, motor (M5) and spin speed drain pump (M8) limited according to...

  • Page 75: Service Mode Overview (W 4840, W 4842)

    Buzzer Tone signal. Table 070-5: Service Mode Overview, W 4802 Indicate fault checks in ascending order: Press Start. To delete the fault memory: Press and hold Start button for longer than 4 seconds (all saved faults are deleted).
  • Page 76 W 48xx Technical Information Note: Access has to be completed within 10 seconds. 1. Press Start and hold. 2. Close the door. 3. When the “Start” LED flashes, release the Start pad. 4. Press Start 3 times; hold on the 3rd time until the “Start” LED flashes slowly (1 flash per second) and “Service Mode”...
  • Page 77 W 48xx Technical Information Service function Fault description Fault code Remedy Refer to Section Flow meter sluggish F 19 070-3.18. Heater (temperature in Refer to Section thermostop not F 20 070-3.19. reached) Refer to Section Door does not lock F 34 070-3.20.

  • Page 78: Table 070-6: Service Mode Overview, W 4840 And W 4842

    W 48xx Technical Information Service function Components Function check Water path control (M24) position 3, water inlet valve (Y2 or Water run via compartment II to Y40/14 with water path level II. control), imbalance sensor Water path control (M24) position 4, water Water run via compartment III to inlet valve (Y1 and Y3, level III (fabric softener...

  • Page 79: Figure 070-1: Control Electronic And Fascia Support Panel

    Removing the Control Electronic (EW) and Fascia Support Panel 1. Remove the appliance lid; refer to Section 010-4.1. 2. Remove the fascia panel by inserting a yellow Miele tool under one of the edges and sliding it around the perimeter to release the panel.

  • Page 80: 090 Electrical System

    W 48xx Technical Information Electrical System...

  • Page 81: Technical Data

    W 48xx Technical Information Technical Data Electrical system Main cable length: 4.9' (1.5m) 0.2” x 8” (5mm x 200mm), 6.3A slow- Fine-wire fuse (F7) on power electronic (ELP) blow fuses (F2) Table 090-1: Electrical System Technical Data Service Power Electronic Removal 1.

  • Page 82: Technical Service Bulletins

    When replacing the power/control electronic (p/n 6921580 ELP 255) in an SLC washer, the following programming steps are required. These apply when using the Miele diagnostic software. 1) In all cases, confirm that the water path unit is a 5-position assembly...

  • Page 83: Water Temperature Behavior In The W 4800 And W 4840 Slc Washers - Normal Program

    W 48xx Technical Information (check for the bleach cup in the detergent drawer). 2) If the bleach cup is present, program “Water Path Control Unit M24” to “Water Path Control Unit with 5 Positions”. 3) Also program “Chlorine Bleach” to “Active”. Using programming mode via the control panel on a W 4800: 1) Position 22 “Water Valves”...

  • Page 84: Activation Of Hygiene Function In Slc Washers W 4800, W 4840

    NOTE: These vibration dampers are not compatible with the old-style dampers. You must replace them in sets of three. W 4842 and W 4802 machines will have these new shocks installed on the...

  • Page 85: Slc W 48Xx Door Seals & Leaks

    The W 4842 and W 4802 washers now include a new improved clamping ring made from plastic. This ring has a toothed latch joining the ends, replacing the spring.
  • Page 86 W 48xx Technical Information When installing the ring, the clamp must be at the three o’clock position, behind the hinge. To remove the clamp, insert a flat-bladed screwdriver into the slot and slide the teeth sideways to separate them. Note: Do not attempt to install this clamping ring if it is damaged.

  • Page 87: Slc Washer Detergent Drawer Issues; Immobilizing Brake

    Technical Information SLC Washer Detergent Drawer Issues; Immobilizing Brake You may encounter an SLC washer (W 4800, W 4840, W 4802, W 4842) where the detergent drawer has difficulty staying closed during the wash cycle. There is no longer any reason to replace the drawer or water path unit for this situation.

  • Page 88: Washer Inlet Hoses; Spare Parts

    The spare part comes with a red stripe. Since the hoses are mechanically identical, Miele has decided to stock only one color. This will have no effect on the proper operation of the washer. The blue-striped hoses are reserved for production and are not available.

  • Page 89: 48Xx Electronic Replacement

    W 48XX Electronic Replacement Currently, all of the SLC washers use the same power electronic. The W 4800 and W 4802 use the same fascia electronic (without display). The W 4840 and W 4842 also share the same fascia electronic (with display).
  • Page 90 W 48xx Technical Information NOTE: ‘Fascia panel type’ appears twice in the list. ‘7-segment display’: with = W 484X; without = W 480X...

This manual is also suitable for:

W 4840W 4842W 4800

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