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Electrolux LAUNDRY User Manual

Electrolux LAUNDRY
71 pages
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SERVICE MANUAL
LAUNDRY
ELECTROLUX HOME PRODUCTS
ITALY S.p.A.
Spares Operations Italy
Corso Lino Zanussi,30
Publication
number
I - 33080 PORCIA /PN (ITALY)
599 37 47-13
Fax +39 0434 394096
Edition: 2006-01-12
EN
Washing machines
HEC
Structural characteristics,
electrical components and
accessibility
Production:
ZP - Porcia Italy

Table of Contents

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Electrolux LAUNDRY Specifications

General IconGeneral
BrandElectrolux
ModelLAUNDRY
CategoryLaundry Appliance
LanguageEnglish

Summary

Service Manual Purpose

Important Safety and Repair Notes

Qualified Personnel Required

Repairs to electrical appliances must be effected only by qualified personnel.

Disconnect Power Before Access

Always remove the plug from the power socket before accessing components.

Prioritize Ohmic Measurements

Prefer ohmic measurements over direct voltage/current measurements where possible.

Caution: Sharp Metal Edges

Be careful of sharp edges on metal components to avoid cuts.

Drain Appliance Before Laying

Always drain any water before laying the appliance on the floor.

Avoid Laying on Right Side

Never lay the appliance on its right side to prevent damage to electrical components.

Perform Final Test Procedures

Always perform final tests after completing repairs.

Washing Principles

Washing Process Overview

Explains the process of transferring dirt from fabrics to water using key elements.

Achieving Satisfactory Wash Results

Details the factors necessary for satisfactory washing results.

Fabric Types and Care

Natural and Artificial Fibres Classification

Lists and categorizes various natural and artificial fibres used in textiles.

Washing Various Fibre Types

Provides general guidance on washing different fabric types.

Specific Care for Animal Fibres

Offers specific recommendations for washing animal fibres.

International Garment Washing Symbols

Classification of Fabric Soiling

Mechanical Action in Washing

Washing Cycle Duration Factors

Water Quality and Its Impact

Lime Scale and Ferrous Oxide Formation

Discusses the causes and effects of lime scale and rust spots in washing water.

Understanding Water Hardness

Defines water hardness based on calcium and magnesium ion concentration.

Total Water Hardness Levels

Water Softening Mechanisms

Detergent Components and Functions

Detergent Composition Breakdown

Lists key components of detergents: surfactants, zeolites, alkalis, bleaches, whiteners.

Principal Detergent Component Functions

Explains the roles of soap, surfactants, silicates, anti-foam, zeolites, alkalis, and bleaches.

Other Detergent Component Functions

Optimizing Detergent Quantity

Recommended Detergent Quantities

Washing Additives Explained

Bleaching Procedures and Types

Water Temperature in Washing

Using Correct Water Temperature

Recommends temperature ranges for different soiling types and fabrics for optimal washing.

Washing Machine Programme Cycles

Front-Loading Washing Machine HEC

Washing System Overview

Describes how dirt is removed via combined mechanical and chemical actions.

ECO-BALL Ball Valve

Ball Valve Operating Principle

JETSYSTEM Washing System

JETSYSTEM Hydraulic Circuit

Diagram and explanation of the Jetsystem's water flow and circulation.

Washing Machine Cabinet Construction

Washing Machine Door Features

Door Handle Assembly

Details the components and assembly of the door handle latch mechanism.

Control Panel Variations

Control Panel Styling Examples

Shows various styling examples of washing machine control panels.

Washing Group Assembly

Washing Group Types and Specs

Lists different washing group types, load capacities, and spin efficiencies.

Washing Group Components

Drum Shaft Bearing Support

Details the assembly and components of the drum shaft bearing support.

Drum Construction

Vibration Damper Components

Drum Rotation Drive Belt

Detergent Dispenser System

Long Version Detergent Dispenser

Describes the dispenser with multiple outlets and 3 or 4 compartments.

Long Dispenser Operating Principle

Short Version Detergent Dispenser (G19)

Short Dispenser Operating Principle

Traditional System with ECO-BALL Valve

NEW JET Circulation Circuit

Drain Filter Functionality

Details the self-cleaning drain filter and its maintenance.

Electrical Components Overview

Electrical Suppressor

Explains the suppressor's function, symbols, diagrams, and checks for radiofrequency disturbance.

Push-button Switches

Traditional Door Safety Interlock

Checking Door Safety Interlock Efficiency

Instantaneous Door Safety Interlock

Conditions for Door Opening

Lists conditions checked by the PCB before allowing the door to open.

Automatic Door Release Mechanism

Explains door release during power failure or faults.

Solenoid Valve Protective Cut-out

Describes the PTC protective cut-out for the solenoid valve's current limitation.

Solenoid Valve Operation

Pressure Switch Functionality

Pressure Switch General Characteristics

General characteristics and functions of the pressure switch in water level control.

Pressure Switch Hydraulic Circuit

Diagrams the hydraulic connections for pressure switches within the machine.

Pressure Switch Operating Principle

Checking Pressure Switch Efficiency

Analogue Electronic Pressure Switch

Electronic Pressure Switch Characteristics

General characteristics of the electronic pressure switch used for water level control.

Electronic Pressure Switch Operation

Explains how the electronic pressure switch monitors water level via frequency changes.

Checking Electronic Pressure Switch

Commutator Motor

Commutator Motor Characteristics

Details on motor speeds, interchangeability, and general characteristics.

Commutator Motor Operation

Explains how the motor's stator and rotor windings, brushes, and commutator work.

Motor Speed Control Methods

Motor Rotation Direction

Tachometric Generator Function

Commutator Motor Circuit Diagram

Checking Commutator Motor Efficiency

Induction Motors (Asynchronous)

Induction Motor Characteristics

Explains motor functions for drum rotation and its asynchronous nature.

Induction Motor Operating Principle

Describes the stator, rotor, and operating principle of induction motors.

Checking Induction Motor Efficiency

How to check motor efficiency by measuring winding resistances.

Motor Inverter System

Heating Element

NTC Temperature Sensor

Drain Pump Operation

Water Control Leak Detection

Circulation Pump Functionality

Circuit Diagrams Overview

Wiring Diagram Explained

Example of a wiring diagram for checking electrical connections.

Wiring Harness Types

Wiring Harness Part Numbers

Basic Circuit Diagram for Diagnostics

Accessing Machine Components

Accessing Components from the Top

Instructions on how to remove the work top for component access.

Electronic Pressure Switch Access

Steps to remove the electronic pressure switch.

Pressure Switch Access

Steps to remove the standard pressure switch.

Suppressor Access and Removal

Cable Grommet Removal

Solenoid Valve Access

Control Panel Access and Removal

Main PCB Access and Removal

Control/Display Board Access

Detergent Dispenser Access

Removing Dispenser Duct

Accessing Components from the Front

Door Removal and Reassembly

Steps for removing the door and handle assembly.

Door Hinge Removal

Instructions for removing the door hinge.

Door Safety Interlock Access

Steps to access and remove the door safety interlock.

Bellows Seal Replacement

Front Panel Removal

Drain Filter Pump Body Access

Accessing Components from the Rear

Drive Belt Removal

Instructions for removing the drive belt.

Pulley Removal

Steps for removing the drive pulley.

Motor Access and Removal

Heating Element Access

Circulation Pump Access

Water Control Sensor Access

Accessing Components from the Bottom

Damper Removal

Instructions for removing the damper.

Filter Hose and Pressure Chamber Access

Steps for detaching the pressure chamber from the tub hose.

Drain Pump Removal

Instructions for removing the drain pump.

Inverter Removal

Steps for removing the inverter.

Washing Group Removal

Drum and Tub Shell Separation

Drum Shaft Bearing Replacement

Drum Spider Removal and Reassembly

Front Counterweight Removal

Rear Counterweight Removal

Drum Lifter Removal and Replacement

Tools and Materials for Servicing

Standard Tools Required

Lists various types of screwdrivers, wrenches, pliers, and cutters.

Consumable Materials

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