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Electrolux EWM09312 - User Manual

Electrolux EWM09312
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SERVICE MANUAL
WASH
Top loading washing
machines
guide to diagnostics of
electronic controls
EWM09312
© ELECTROLUX HOME PRODUCTS
Customer Care - EMEA
Training and Operations Support
Technical Support
Edition: 04/2011 - Rev. 00
Publication
number
599 74 23-12
EN
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Summary

Introduction to Electrolux Washing Machine Service

Purpose of this Manual

Explains the manual's scope, focusing on alarm codes for EWM09312 series electronic controls.

Essential Safety Warnings

Outlines crucial safety precautions, ESD protection, and qualified technician requirements.

Troubleshooting Procedure Guide

Step-by-step guide for troubleshooting, including accessing diagnostics and verifying repairs.

Washing Machine Appliance Control Panels

Diagnostics System Overview

Accessing the Diagnostics Mode

Details the procedure to enter the diagnostic mode for Series 6 and Series 7 appliances.

Exiting the Diagnostics System

Explains how to exit the diagnostic cycle by cycling the appliance's power.

Diagnostic Test Phase Descriptions

Describes various diagnostic test phases for checking components and water routes.

Washing Machine Alarms

Displaying User Alarms

Explains how alarms are displayed and lists common user alarms like E10, E20, E40.

Reading Stored Alarms

Details how to access and display stored alarms, including navigating multiple alarms.

Rapid Alarm Viewing Method

Describes a quick method to view the last alarm without full diagnostic mode.

Deleting Stored Alarms

Provides instructions for clearing stored alarms after diagnosis or repair.

Comprehensive Alarm Summary Table

Lists alarm codes, descriptions, possible faults, and reset actions.

Notes on Specific Alarm Behaviors

Provides specific details on alarm behavior for E93, E94, EH1-EH3, and E51-E52.

Operating Time Counter Functionality

Reading Appliance Operating Time

Explains how to access and display the total operating hours of the appliance.

Display Format of Total Operating Time

Details how total operating time is displayed in sequence (thousands, hundreds, tens, units).

Troubleshooting Diagnostic Access Issues

No LEDs Light Up on Circuit Board

Troubleshooting steps when no LEDs are illuminated on the main circuit board.

Partial LED Illumination on Circuit Board

Troubleshooting steps when some LEDs are lit, focusing on mechanical checks.

Troubleshooting Based on Alarm Codes

E11 Water Fill Difficulty

Troubleshooting flowchart for alarm E11, covering water fill issues.

E13 Water Leaks

Troubleshooting flowchart for alarm E13, focusing on water leak detection and resolution.

E21 Drain Difficulty

Troubleshooting flowchart for alarm E21, detailing steps for drain system issues.

E23 Drain Pump Triac Problems

Troubleshooting for alarm E23 related to the drain pump control component (Triac).

E24 Drain Pump Triac Sensing Fault

Troubleshooting for alarm E24 concerning the sensing circuit of the drain pump Triac.

E31 Pressure Switch Signal Error

Troubleshooting for alarm E31 where the pressure switch signal is outside normal limits.

E32 Pressure Switch Calibration Error

Troubleshooting for alarm E32 related to analogue pressure switch calibration errors.

E35 Water Level Too High

Troubleshooting for alarm E35 indicating the water level is too high in the tub.

E38 Internal Pressure Chamber Clogged

Troubleshooting for alarm E38 when the internal pressure chamber is obstructed.

E41 Door Open Detection

Troubleshooting for alarm E41 related to the door open detection mechanism.

E42 Door Opening Problems

Troubleshooting for alarm E42 concerning issues with opening the appliance door.

E43 Door Delay System Triac Problems

Troubleshooting for alarm E43 related to the Triac controlling the door delay system.

E44 Door Closed Sensing Fault

Troubleshooting for alarm E44 concerning the door closed sensing circuit.

E45 Door Delay Sensing Circuit Fault

Troubleshooting for alarm E45 related to the sensing circuit of the door delay system Triac.

E51 Motor Power TRIAC Short-Circuit

Troubleshooting for alarm E51 indicating a short-circuited motor power TRIAC.

E52 No Motor Tachometric Signal (Part 1)

Troubleshooting for alarm E52 when no signal is received from the motor tachometric generator.

E53 Motor Powering Sensing Circuit Fault

Troubleshooting for alarm E53 concerning the sensing circuit of the Triac powering the motor.

E54 Motor Relay Contacts Sticking

Troubleshooting for alarm E54 where motor relay contacts are sticking.

E62 Overheating During Washing

Troubleshooting for alarm E62 when the NTC probe detects overheating during washing.

E66 Heating Element Power Relay Faulty

Troubleshooting for alarm E66 related to a faulty heating element power supply relay.

E68 Washing Heating Element Leakage

Troubleshooting for alarm E68 indicating leakage from the washing heating element.

E69 Washing Heating Element Damaged

Troubleshooting for alarm E69 when the washing heating element is damaged.

E6 A Heating Relay Sensing Faulty

Troubleshooting for alarm E6A related to a faulty heating relay sensing.

E6 H Heating Element Power Relay Incongruence

Troubleshooting for alarm E6H due to incongruence between heating element sensing and relay status.

E71 Washing NTC Probe Faulty

Troubleshooting for alarm E71 when the washing NTC probe is faulty.

E74 NTC Probe Improperly Positioned

Troubleshooting for alarm E74 when the NTC probe is not correctly positioned.

E83 Programme Selector Code Error

Troubleshooting for alarm E83 related to reading the programme selector code.

E86 Programme Selector Configuration Error

Troubleshooting for alarm E86 concerning programme selector configuration.

E87 Display Board Microprocessor Faulty

Troubleshooting for alarm E87 indicating a faulty display board microprocessor.

E91 Display;Main Board Communication Error

Troubleshooting for alarm E91 regarding communication failure between display and main boards.

E92 Protocol Incongruence

Troubleshooting for alarm E92 related to protocol incongruence in configuration values.

E93 Appliance Configuration Error

Troubleshooting for alarm E93 concerning appliance configuration errors.

E94 Washing Cycle Configuration Error

Troubleshooting for alarm E94 related to incorrect washing cycle configuration.

E97 Control Selector;Data Inconsistency

Troubleshooting for alarm E97 due to inconsistency between selector version and configuration data.

E9 C Display Board Configuration Error

Troubleshooting for alarm E9C concerning display board configuration errors.

EC1 Water Fill Solenoid Valves Blocked

Troubleshooting for alarm EC1 where water fill solenoid valves are blocked.

EC4 AGS Current Sensor Faulty

Troubleshooting for alarm EC4 indicating a faulty AGS current sensor.

EF1 Drain Hose;Filter Issues

Troubleshooting for alarm EF1 related to blocked drain hoses or clogged filters.

EF2 Excessive Detergent;Foam Issues

Troubleshooting for alarm EF2 concerning excessive detergent dosing or foam.

EF3 Aqua Control Device Triggered

Troubleshooting for alarm EF3 when the Aqua Control device is triggered.

EF4 Low Water Pressure;Flowmeter Signal

Troubleshooting for alarm EF4 related to low water pressure or flowmeter signal issues.

EF5 Unbalanced Load Warning

Troubleshooting for alarm EF5 indicating an unbalanced load during spin phases.

EF6 Reset Appliance

Action for alarm EF6, which is to reset the appliance.

EH1 Mains Frequency Incorrect

Troubleshooting for alarm EH1 where mains frequency is incorrect.

EH2 Supply Voltage Too High

Troubleshooting for alarm EH2 when the supply voltage is too high.

EH3 Supply Voltage Too Low

Troubleshooting for alarm EH3 when the supply voltage is too low.

Washing Machine Operating Circuit Diagrams

Key to Circuit Diagram Components

Provides a key linking appliance electrical components to their corresponding PCB components.

Main Circuit Board Connector Identification

Details function and pin assignments for main circuit board connectors.

Identifying Burns on Main Circuit Board

Guides on identifying components causing burns on the main circuit board based on burn location.

Summary

Introduction to Electrolux Washing Machine Service

Purpose of this Manual

Explains the manual's scope, focusing on alarm codes for EWM09312 series electronic controls.

Essential Safety Warnings

Outlines crucial safety precautions, ESD protection, and qualified technician requirements.

Troubleshooting Procedure Guide

Step-by-step guide for troubleshooting, including accessing diagnostics and verifying repairs.

Washing Machine Appliance Control Panels

Diagnostics System Overview

Accessing the Diagnostics Mode

Details the procedure to enter the diagnostic mode for Series 6 and Series 7 appliances.

Exiting the Diagnostics System

Explains how to exit the diagnostic cycle by cycling the appliance's power.

Diagnostic Test Phase Descriptions

Describes various diagnostic test phases for checking components and water routes.

Washing Machine Alarms

Displaying User Alarms

Explains how alarms are displayed and lists common user alarms like E10, E20, E40.

Reading Stored Alarms

Details how to access and display stored alarms, including navigating multiple alarms.

Rapid Alarm Viewing Method

Describes a quick method to view the last alarm without full diagnostic mode.

Deleting Stored Alarms

Provides instructions for clearing stored alarms after diagnosis or repair.

Comprehensive Alarm Summary Table

Lists alarm codes, descriptions, possible faults, and reset actions.

Notes on Specific Alarm Behaviors

Provides specific details on alarm behavior for E93, E94, EH1-EH3, and E51-E52.

Operating Time Counter Functionality

Reading Appliance Operating Time

Explains how to access and display the total operating hours of the appliance.

Display Format of Total Operating Time

Details how total operating time is displayed in sequence (thousands, hundreds, tens, units).

Troubleshooting Diagnostic Access Issues

No LEDs Light Up on Circuit Board

Troubleshooting steps when no LEDs are illuminated on the main circuit board.

Partial LED Illumination on Circuit Board

Troubleshooting steps when some LEDs are lit, focusing on mechanical checks.

Troubleshooting Based on Alarm Codes

E11 Water Fill Difficulty

Troubleshooting flowchart for alarm E11, covering water fill issues.

E13 Water Leaks

Troubleshooting flowchart for alarm E13, focusing on water leak detection and resolution.

E21 Drain Difficulty

Troubleshooting flowchart for alarm E21, detailing steps for drain system issues.

E23 Drain Pump Triac Problems

Troubleshooting for alarm E23 related to the drain pump control component (Triac).

E24 Drain Pump Triac Sensing Fault

Troubleshooting for alarm E24 concerning the sensing circuit of the drain pump Triac.

E31 Pressure Switch Signal Error

Troubleshooting for alarm E31 where the pressure switch signal is outside normal limits.

E32 Pressure Switch Calibration Error

Troubleshooting for alarm E32 related to analogue pressure switch calibration errors.

E35 Water Level Too High

Troubleshooting for alarm E35 indicating the water level is too high in the tub.

E38 Internal Pressure Chamber Clogged

Troubleshooting for alarm E38 when the internal pressure chamber is obstructed.

E41 Door Open Detection

Troubleshooting for alarm E41 related to the door open detection mechanism.

E42 Door Opening Problems

Troubleshooting for alarm E42 concerning issues with opening the appliance door.

E43 Door Delay System Triac Problems

Troubleshooting for alarm E43 related to the Triac controlling the door delay system.

E44 Door Closed Sensing Fault

Troubleshooting for alarm E44 concerning the door closed sensing circuit.

E45 Door Delay Sensing Circuit Fault

Troubleshooting for alarm E45 related to the sensing circuit of the door delay system Triac.

E51 Motor Power TRIAC Short-Circuit

Troubleshooting for alarm E51 indicating a short-circuited motor power TRIAC.

E52 No Motor Tachometric Signal (Part 1)

Troubleshooting for alarm E52 when no signal is received from the motor tachometric generator.

E53 Motor Powering Sensing Circuit Fault

Troubleshooting for alarm E53 concerning the sensing circuit of the Triac powering the motor.

E54 Motor Relay Contacts Sticking

Troubleshooting for alarm E54 where motor relay contacts are sticking.

E62 Overheating During Washing

Troubleshooting for alarm E62 when the NTC probe detects overheating during washing.

E66 Heating Element Power Relay Faulty

Troubleshooting for alarm E66 related to a faulty heating element power supply relay.

E68 Washing Heating Element Leakage

Troubleshooting for alarm E68 indicating leakage from the washing heating element.

E69 Washing Heating Element Damaged

Troubleshooting for alarm E69 when the washing heating element is damaged.

E6 A Heating Relay Sensing Faulty

Troubleshooting for alarm E6A related to a faulty heating relay sensing.

E6 H Heating Element Power Relay Incongruence

Troubleshooting for alarm E6H due to incongruence between heating element sensing and relay status.

E71 Washing NTC Probe Faulty

Troubleshooting for alarm E71 when the washing NTC probe is faulty.

E74 NTC Probe Improperly Positioned

Troubleshooting for alarm E74 when the NTC probe is not correctly positioned.

E83 Programme Selector Code Error

Troubleshooting for alarm E83 related to reading the programme selector code.

E86 Programme Selector Configuration Error

Troubleshooting for alarm E86 concerning programme selector configuration.

E87 Display Board Microprocessor Faulty

Troubleshooting for alarm E87 indicating a faulty display board microprocessor.

E91 Display;Main Board Communication Error

Troubleshooting for alarm E91 regarding communication failure between display and main boards.

E92 Protocol Incongruence

Troubleshooting for alarm E92 related to protocol incongruence in configuration values.

E93 Appliance Configuration Error

Troubleshooting for alarm E93 concerning appliance configuration errors.

E94 Washing Cycle Configuration Error

Troubleshooting for alarm E94 related to incorrect washing cycle configuration.

E97 Control Selector;Data Inconsistency

Troubleshooting for alarm E97 due to inconsistency between selector version and configuration data.

E9 C Display Board Configuration Error

Troubleshooting for alarm E9C concerning display board configuration errors.

EC1 Water Fill Solenoid Valves Blocked

Troubleshooting for alarm EC1 where water fill solenoid valves are blocked.

EC4 AGS Current Sensor Faulty

Troubleshooting for alarm EC4 indicating a faulty AGS current sensor.

EF1 Drain Hose;Filter Issues

Troubleshooting for alarm EF1 related to blocked drain hoses or clogged filters.

EF2 Excessive Detergent;Foam Issues

Troubleshooting for alarm EF2 concerning excessive detergent dosing or foam.

EF3 Aqua Control Device Triggered

Troubleshooting for alarm EF3 when the Aqua Control device is triggered.

EF4 Low Water Pressure;Flowmeter Signal

Troubleshooting for alarm EF4 related to low water pressure or flowmeter signal issues.

EF5 Unbalanced Load Warning

Troubleshooting for alarm EF5 indicating an unbalanced load during spin phases.

EF6 Reset Appliance

Action for alarm EF6, which is to reset the appliance.

EH1 Mains Frequency Incorrect

Troubleshooting for alarm EH1 where mains frequency is incorrect.

EH2 Supply Voltage Too High

Troubleshooting for alarm EH2 when the supply voltage is too high.

EH3 Supply Voltage Too Low

Troubleshooting for alarm EH3 when the supply voltage is too low.

Washing Machine Operating Circuit Diagrams

Key to Circuit Diagram Components

Provides a key linking appliance electrical components to their corresponding PCB components.

Main Circuit Board Connector Identification

Details function and pin assignments for main circuit board connectors.

Identifying Burns on Main Circuit Board

Guides on identifying components causing burns on the main circuit board based on burn location.

Electrolux EWM09312 Specifications

General IconGeneral
BrandElectrolux
ModelEWM09312
CategoryLaundry Accessories
LanguageEnglish

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