Electrolux 6 Series Service Manual
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Electrolux 6 Series Service Manual

Electrolux 6 Series Service Manual

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© ELECTROLUX HOME PRODUCTS
Customer Care - EMEA
Training and Operations Support
Technical Support
Edition: 06/2011 - Rev. 00
Publication
number
599 74 42-27
EN

SERVICE MANUAL

WASHING
Front-Loading
Washing Machines
guide to diagnostics
of electronic controls
NEW
COLLECTION
EWM09312
SERIES 6 – 7

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  • Page 1: Service Manual

    SERVICE MANUAL WASHING Front-Loading Washing Machines © ELECTROLUX HOME PRODUCTS Publication number guide to diagnostics Customer Care - EMEA Training and Operations Support of electronic controls Technical Support 599 74 42-27 COLLECTION EWM09312 SERIES 6 – 7 Edition: 06/2011 - Rev. 00...
  • Page 2 Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls T.S.-mdm FCPD-dp Quality tb 2/61 599 74 42-27 Rev.00...

  • Page 3: Table Of Contents

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls Contents SERVICE MANUAL ............................. 1   INTRODUCTION ..........................5     Purpose of this manual ........................5     Warnings ............................5     How to proceed ..........................6     WM APPLIANCE CONTROL PANELS ....................
  • Page 4 Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls EF3: Aqua Control device triggered ....................54   EF4: Water pressure too low, no signal from flowmeter, with electronically controlled valve open..54   EF5: Unbalanced load, spin phases skipped................... 54  ...

  • Page 5: Introduction

    (Code 405 50 63-95/4) to prevent electrostatic discharges from damaging the circuit board, see S.B. Nr. 599 72 08-09 or consult the <<Electrostatic charges>> course on (http://electrolux.edvantage.net) of the Electrolux Learning Gateway portal. This platform is not fitted with an ON/OFF switch. Before you access internal components, take the plug out of the socket to cut the power supply.

  • Page 6: How To Proceed

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls 1.3 How to proceed 1. Identify the type of control in question (page 7) and access the diagnostic cycle (see page 7). 2. Read the alarm stored (page 10) and consult the instructions regarding the “alarm codes”, (page 13÷16).

  • Page 7: Wm Appliance Control Panels

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls 2 WM APPLIANCE CONTROL PANELS These are the stylings available at the time of printing of this Service Manual. Others may be developed in future. SERIES SERIES 3 DIAGNOSTIC SYSTEM 3.1 Accessing diagnostics The operations listed below must be performed within 7 seconds.

  • Page 8: Diagnostic Test Phases

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls Diagnostic test phases Irrespective of the type of circuit board and the configuration of the selector, after entering the diagnostic mode, turn the programme selector dial clockwise to perform the diagnostic cycle for the operation of the various components and to read any alarms.
  • Page 9 Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls Door closed - Door safety interlock Water fill to fourth Water level below solenoid valve Fourth solenoid valve anti-flooding level compartment (hot water where featured) Maximum time 5 mins. Water level in the tub is displayed (mm) - Door safety interlock...

  • Page 10: Alarms

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls ALARMS Displaying the alarms to the user When a problem arises in the appliance, a “WARNING” or an “ALARM” is displayed with three digits, where the time until the end of the cycle is represented. SERIES 6 SERIES 7 The alarms displayed to the user are listed below:...

  • Page 11: Rapid Reading Of Alarms

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls 4.3 Rapid reading of alarms The last alarm can even be displayed if the selector is not in the eleventh diagnostic position or if the appliance is in normal operating mode (for example when performing a wash programme): →...

  • Page 12: Operating Time Counter

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls 5 OPERATING TIME COUNTER Using a specific procedure, the operator can display the total operating time for the appliance, which is counted from the moment it is first switched on. The unit can count up to a maximum of 6,550 hours of operating time. only the operating time of normal programmes (and not diagnostic cycles) is counted the actual operating time for the cycle is counted (which does not include pauses, delayed start time, rinse hold time and soaking phases)

  • Page 13: Alarm Summary Table

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls Alarm Summary Table Alarm Description Possible fault Machine status/action Reset Page Tap closed or water pressure too low; Drain pipe improperly positioned; Water fill difficulty during washing Water fill solenoid valve faulty; Leaks from water circuit on pressure Cycle is paused with door locked START/RESET switch;...
  • Page 14 Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls Alarm Description Possible fault Machine status/action Reset Page Cycle stops with door open Motor power triac short-circuited Current leakage from motor or from wiring; Main PCB faulty. ON/OFF (after 5 attempts) No signal from motor Wiring faulty;...
  • Page 15 Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls Alarm Description Possible fault Machine status/action Reset Page Inconsistency between programme Main PCB faulty (incorrect configuration data). Cycle blocked RESET selector and cycle configuration START Display board configuration error Display board faulty ---------------- ON/OFF RESET...

  • Page 16: Notes On The Behaviour Of Certain Alarms

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls 5.4 Notes on the behaviour of certain alarms Configuration alarm E93: when this alarm is detected (on switching on the appliance), the appliance stops, the display shows the alarm code provided the relevant configuration part is intact.

  • Page 17: Cannot Access The Diagnostics Programme

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls 6 CANNOT ACCESS THE DIAGNOSTICS PROGRAMME 6.1 None of the LEDs on the circuit board light up Are the power supply cable and the connection Replace/repair the power supply cable, on the main board (connector J4) No →...

  • Page 18: Troubleshooting Based On Alarm Codes

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls 7 TROUBLESHOOTING BASED ON ALARM CODES E11: Water fill difficulty during washing Maximum water fill time for every level of the pressure switch (the time is reset every time the level is achieved) Check that all the connectors are correctly inserted Run the diagnostic cycle and fill all the trays with water (phases 2,3,4) Are all the trays filling with water?
  • Page 19 Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls Fig. 1 Fig.4 MAIN CIRCUIT BOARD Fig.2 3.5÷4.5 KΩ 3.5÷4.5 KΩ 1) Solenoid valve for Pre-wash 2) Solenoid valve for Wash Fig. 3 3.5÷4.5 KΩ If there are burns on the circuit board, see page 59 T.S.-mdm FCPD-dp Quality tb 19/61...

  • Page 20: E13: Water Leaks

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls E13: Water leaks Maximum overall water fill time exceeded (sum of all water fills between one drain phase and the next to avoid exceeding the maximum volume) Check that all the connectors are correctly inserted Run the diagnostic cycle and fill all the trays with water (phases 2,3,4) Are all the trays filling with water? Is the drain pipe positioned...
  • Page 21 Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls Fig. 1 Fig.4 MAIN CIRCUIT BOARD Fig.2 3.5÷4.5 KΩ 3.5÷4.5 KΩ 1) Solenoid valve for Pre-wash 2) Solenoid valve for Wash Fig. 3 3.5÷4.5 KΩ If there are burns on the circuit board, see page 59 T.S.-mdm FCPD-dp Quality tb 21/61...

  • Page 22: E21: Drain Difficulty

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls E21: Drain difficulty Maximum drain time exceeded (measured for every cycle phase) Check that all the connectors are correctly inserted Clean the filter and repeat the diagnostic cycle Is the drain filter clean? to check for any further alarms.
  • Page 23 Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls Fig. 1 Fig. 5 Fig.4 MAIN CIRCUIT BOARD 155÷200 Ω Drain pump 155÷200 Ω If there are burns on the circuit board, see page 59 T.S.-mdm FCPD-dp Quality tb 23/61 599 74 42-27 Rev.00...

  • Page 24: E23: Problems With The Component (Triac) Controlling The Drain Pump

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls E23: Problems with the component (triac) controlling the drain pump Check that all the connectors are correctly inserted Is the resistance Is the resistance measurement of the pump Replace the pump and repeat measurement of the pump approximately 155÷182 Ω? the diagnostic cycle to check...
  • Page 25 Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls Fig.4 Fig. 5 MAIN CIRCUIT BOARD 155÷182 Ω ∞ Ω Drain pump Fig. 6 155÷182 Ω If there are burns on the circuit board, see page 59 T.S.-mdm FCPD-dp Quality tb 25/61 599 74 42-27 Rev.00...

  • Page 26: E24: Sensing Circuit Of The Component (Triac) Controlling The Drain Pump Faulty

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls E24: Sensing circuit of the component (triac) controlling the drain pump faulty Check that all the connectors are correctly inserted Replace the circuit board and repeat the diagnostic cycle to check for any further alarms. If there are burns on the circuit board, see page 59 E31: The analogue pressure switch provides the main circuit board...

  • Page 27: E32: The Analogue Pressure Switch Causes An Error During Calibration

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls E32: The analogue pressure switch causes an error during calibration (At the start of every cycle, the appliance drains to empty the tub and creates a level 0 to check the calibration of the analogue pressure switch) Check that all the connectors are correctly inserted Drain the water from the tub.

  • Page 28: E35: Water Level Too High

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls E35: Water level too high The main circuit board measures a water level, using the electronic pressure switch, of more than 300 mm for longer than 15 secs. Check that all the connectors are correctly inserted Drain the water from the tub.

  • Page 29: E38: Internal Pressure Chamber Is Clogged

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls E38: Internal pressure chamber is clogged The analogue pressure switch is not able to measure any variation in the water level for at least 30 secs during drum rotation. Check that all the connectors are correctly inserted Clean the internal Drain the water from pressure chamber...

  • Page 30: E41: Door Open (Device With 3 Connections)

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls E41: Door open (device with 3 connections) Maximum time exceeded (PTC = 15 seconds) Check that all the connectors are correctly inserted Close the door correctly and Is the door closed repeat the diagnostic cycle to correctly? check for any further alarms.
  • Page 31 Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls (device with 3 connections) Fig.4 Fig. 9 MAIN CIRCUIT BOARD ∞ Ω Door Lock Ω traditional with flange n Ω ∞ Ω If there are burns on the circuit board, see page 59 T.S.-mdm FCPD-dp Quality tb 31/61 599 74 42-27 Rev.00...

  • Page 32: E42: Problems Opening Door

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls E42: Problems opening door Maximum time exceeded (255 seconds) Check that all the connectors are correctly inserted Close the door correctly and Is the door closed repeat the diagnostic cycle to correctly? check for any further alarms.
  • Page 33 Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls (device with 3 connections) Fig.4 Fig. 9 MAIN CIRCUIT BOARD ∞ Ω Door Lock Ω traditional with flange n Ω ∞ Ω If there are burns on the circuit board, see page 59 T.S.-mdm FCPD-dp Quality tb 33/61 599 74 42-27 Rev.00...
  • Page 34 Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls E43: Problems with the component (triac) controlling the door delay system (device with 3 connections) Check that all the connectors are correctly inserted Detach the connectors and To check the wiring, with the measure on the component door open, measure on the (fig.

  • Page 35: E44: Door Closed "Sensing" Circuit Faulty

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls E44: Door closed “sensing” circuit faulty Check that all the connectors are correctly inserted Replace the circuit board and repeat the diagnostic cycle to check for any further alarms. E45: Problems with the “sensing” circuit of the component (triac) controlling the door delay system Check that all the connectors are correctly inserted Replace the circuit board and repeat the diagnostic cycle to check for any further alarms.

  • Page 36: E51: Motor Power Triac Short-Circuited

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls E51: Motor power TRIAC short-circuited Activation of the protection system for the triac short-circuit (after 5 attempts separated by a 5-minute pause, during the cycle, immediately if recognised at the start of the cycle or during diagnostics) Check that all the connectors are correctly inserted Measure between all the...

  • Page 37: E52: No Signal From Motor Tachometric Generator (First Part)

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls E52: No signal from motor tachometric generator (first part) Cycle interrupted after 5 attempts during the cycle, immediately if recognised at the start of the cycle or during diagnostics. Check that all the connectors are correctly inserted Access phase 7 of the diagnostic cycle Does the motor...
  • Page 38 Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls Fig. 10 Fig.4 General earthing MAIN CIRCUIT BOARD fig. 6 connection Ω ∞ Ω ∞ Ω Ω Fig. 12 Fig. 11 If there are burns on the circuit board, see page 59 T.S.-mdm FCPD-dp Quality tb 38/61 599 74 42-27 Rev.00...

  • Page 39: E52: No Signal From Motor Tachometric Generator (Second Part)

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls E52: No signal from motor tachometric generator (second part) Cycle interrupted after 5 attempts during the cycle, immediately if recognised at the start of the cycle or during diagnostics. Check that all the connectors are correctly inserted The motor never runs To check the wiring, measure Check the motor as...
  • Page 40 Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls How to check collector motors P = motor protector 1) Check the connection blocks (wiring) and R = rotor S = stator for the presence of any protruding/kinked T = tachometric generator terminals.

  • Page 41: E53: Problems With The "Sensing" Circuit Of The Component (Triac) Powering The Motor

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls E53: Problems with the “sensing” circuit of the component (triac) powering the motor Check that all the connectors are correctly inserted Replace the circuit board and repeat the diagnostic cycle to check for any further alarms. If there are burns on the circuit board, see page 59 T.S.-mdm FCPD-dp Quality tb...

  • Page 42: E54: Motor Relay Contacts Sticking

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls E54: Motor relay contacts sticking Voltage value on the motor circuit even when the same should not be operating Check that all the connectors are correctly inserted Measure between all the terminals of the Replace the circuit board and repeat wiring connector J11-1 ÷...

  • Page 43: E62: Overheating During Washing

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls E62: Overheating during washing The temperature of the NTC probe exceeds 88 °C for more than 5 mins. Check that all the connectors are correctly inserted Run the diagnostic cycle Replace the heating Detach the connector and and fill with water up to the element and repeat the...

  • Page 44: E66: Heating Element Power Supply Relay Faulty

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls E66: Heating element power supply relay faulty Check that all the connectors are correctly inserted Replace the circuit board and repeat Measure between the connector J6-1/J6-2 of the diagnostic cycle to check for any the main circuit board and the appliance body.

  • Page 45: E68: Washing Heating Element Leakage

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls E68: Washing heating element leakage Check that all the connectors are correctly inserted Run the diagnostic cycle Detach the connector Run phase 8 of the and fill with water up to the and measure between diagnostic cycle, drain water door level to make sure the...

  • Page 46: E69: Washing Heating Element Damaged

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls E69: Washing heating element damaged Check that all the connectors are correctly inserted Measure the resistance Measure the resistance value directly on the value of the heating terminals of the heating element (Ω) between Replace the heating element...

  • Page 47: E6A: Heating Relay Sensing Faulty

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls E6A: Heating relay sensing faulty Check that all the connectors are correctly inserted Replace the circuit board and repeat the diagnostic cycle to check for any further alarms. If there are burns on the circuit board, see page 59 E6H: Heating element power relay faulty (incongruence between sensing and relay status)

  • Page 48: E71: Washing Ntc Probe Faulty

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls E71: Washing NTC probe faulty Voltage value out of range (short-circuit or open circuit) Check that all the connectors are correctly inserted Detach the connector Run phase 6 of the diagnostic cycle Run phase 8 of the and measure directly and wait for the water to fill.

  • Page 49: E74: Ntc Probe Improperly Positioned

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls E74: NTC probe improperly positioned Check that all the connectors are correctly inserted Reposition the probe in its seat and Is the probe visibly positioned correctly in repeat the diagnostic cycle to check for its seat? any further alarms.

  • Page 50: E83: Error Reading The Programme Selector Code

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls E83: Error reading the programme selector code Selector position code not envisaged by the configuration data or configuration error Check that all the connectors are correctly inserted Turn the appliance on, turn the programme selector to Repeat the diagnostic every setting: wait at least...

  • Page 51: E91: Communication Error Between The Display Board And The Main Circuit Board

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls E91: Communication error between the display board and the main circuit board Inconsistency between configuration values on starting the appliance Check that all the connectors are correctly inserted Check the wiring between the main circuit board and the display board: Replace/repair the wiring and repeat ►...

  • Page 52: E92: Protocol Incongruence

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls E92: protocol incongruence Inconsistency between configuration values on starting the appliance Check that all the connectors are correctly inserted Incorrect configuration possible. Replace the circuit board and repeat the diagnostic cycle to check for any further alarms. E93: Appliance configuration error Inconsistency between configuration values on starting the appliance Check that all the connectors are correctly inserted...

  • Page 53: Ec1: Water Fill Solenoid Valves Blocked

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls EC1: Water fill solenoid valves blocked The flowmeter has to fill water even with the solenoid valve not piloted Check that all the connectors are correctly inserted Does the solenoid Does the Replace the main circuit board valve start filling with appliance fill with...

  • Page 54: Ec4: Ags Current Sensor Faulty Error

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls EC4: AGS current sensor faulty error Spin speed reduced to safety speed of 150 rpm Check that all the connectors are correctly inserted Replace the main circuit board and run the diagnostic cycle to check for any further alarms. If there are burns on the circuit board, see page 59 EF1: Drain hose blocked/kinked/too high;...

  • Page 55: Eh1: Mains Frequency Incorrect

    Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls EH1: Mains frequency incorrect Power supply frequency out of configured range Check that all the connectors are correctly inserted Important The appliance remains in alarm status until the mains frequency returns to the correct values or the appliance is switched off.

  • Page 56: Operating Circuit Diagram Wm With Aqua Control

    Guide to diagnostics of EWM09312 electronic controls 8 OPERATING CIRCUIT DIAGRAM WM WITH AQUA CONTROL 56/61 599 74 42-27 Rev.00 T.S.-mdm FCPD-dp Quality tb...

  • Page 57: Key To Circuit Diagram Wm

    Guide to diagnostics of EWM09312 electronic controls 8.1 Key to circuit diagram WM Appliance electrical components PCB components 1. Door safety interlock - Traditional 2. Analogue pressure switch 3. NTC temperature probe 4. Pre-wash solenoid DOOR_TY Door interlock Triac 5. Wash solenoid DRAIN_YTY Drain pump Triac 6.

  • Page 58: Main Circuit Board Connectors

    Guide to diagnostics of EWM09312 electronic controls 8.2 Main circuit board connectors Serial Interface: J7-1 Analogue pressure switch (+5V) J9-1 ASY_IN J7-2 Analogue pressure switch (GND) J9-2 ASY_OUT J7-3 Analogue pressure switch (signal) J9-3 +5V J7-4 NTC temperature probe J9-4 GND J7-5 NTC temperature probe Communication with display board: J10-1 Vee 12V...

  • Page 59: Burns On The Main Circuit Board Ewm09312

    Guide to diagnostics of EWM09312 electronic controls 8.3 Burns on the main circuit board EWM09312 In the event of burns on the main circuit board, check whether the problem was caused by another electrical component (short-circuits, poor insulation, water leaks). Use the figures that follow to pinpoint the component which may have caused the problem, depending on the area of the burns.
  • Page 60 Notes ------------------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------------------ 60/61 599 74 42-27 Rev.00 T.S.-mdm FCPD-dp Quality tb...
  • Page 61 REVISIONS: Revision Date Description Author Approved by - on 06/2011 Document Creation XX – 0X/201X...

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