Electrolux EWM09 Service Manual Download Page 19

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Technical Support - A.D.L. 02 / 2011

19/24

599 74 08-64

ALA

Description

Possible fault

Action

Machine status

Reset

E61

Insufficient heating during the
washing phase

Faulty

wiring.

NTC probe for wash cycle faulty.

Heating element faulty.

Main circuit board faulty.

The heating phase is skipped

START/RESET

E62

Overheating during washing
phase (temperature higher than
88°C for more than 5 min.)

Faulty

wiring.

NTC probe for wash cycle faulty.

Heating element faulty.

Main circuit board faulty.

Safety drain cycle.
Cycle stops with door open

RESET

E66

Heating element power relay
faulty (inconsistency between
sensing and relay status)

Main circuit board faulty.

Safety water fill.
Cycle stops with door closed

ON/OFF
RESET

E68

Current leak to the ground

Earth leakage between heating element and earth.

The heating phase is skipped

START/RESET

E69

Heating element interrupted

Faulty

wiring.

Heating element for washing interrupted (thermal fuse open).

Main circuit board faulty.

----------------

START
ON/OFF
RESET

E6A

Heating relay sensing faulty

Main circuit board faulty.

Cycle stops with door locked

RESET

E6H

Heating element power relay
faulty (inconsistency between
sensing and relay status)

Faulty

wiring.

Earth leakage between heating element and earth.

Main circuit board faulty.

Safety water fill
Cycle stops with door closed

ON/OFF
RESET

Summary of Contents for EWM09

Page 1: ...ing machines with electronic control system NEW COLLECTION EWM09 Demo Diagnostics Alarms table SERIES 6 7 ELECTROLUX HOME PRODUCTS Customer Care EMEA Training and Operations Support Technical Support Publication number 599 74 08 64 Edition 10 2010 rev 00 EN ...

Page 2: ...Technical Support A D L 02 2011 2 24 599 74 08 64 ...

Page 3: ...he diagnostics system 6 3 3 Diagnostic test phases 7 4 ALARMS 11 4 1 Displaying the alarms to the user 11 4 2 Reading the alarms 12 4 3 Rapid reading of alarms 13 4 4 Deleting the last alarm 13 5 OPERATING TIME COUNTER 14 5 1 Reading the operating time 14 5 2 Display of total operating time 15 5 3 Alarm Summary Table 16 6 DIAGRAMS 23 6 1 WM diagram with THREE PHASE ASYNCHRONOUS MOTOR 23 6 2 Key to...

Page 4: ...re disabled but the main electronic circuit board and some electric parts are powered electrically There are two ways of disconnecting the electric power supply the first is to remove the plug or integrate a small electronic circuit known as Zero Watt 0 Watt into the main electronic circuit board that automatically turns off the appliance Automatic turn off together with the Zero Watt circuit work...

Page 5: ...ART PAUSE is disabled because without the door the movement cannot be seen and is therefore useless 2 1 DEMO MODE SETTING Do not start the procedure with the combination buttons pressed Series 6 Series 7 Turn the appliance on at the ON OFF switch Rotate the switch as far as the third position to the right Press the START PAUSE button and the nearest option button simultaneously as shown in the fig...

Page 6: ...proximately 3 seconds In the first position the operation of the buttons of the related LEDs and of the groups of symbols shown on the LCD screen is checked turn the programme selector dial clockwise to run the diagnostic cycle for the operation of the various components and to read any alarms see diagnostic test During this phase if any key combination is pressed except for the one relating to di...

Page 7: ... Purpose of the test To test operation of all the LEDs and switches Components activated The LEDs are turned on in sequence as are the symbol groups of the LCD display and its backlight Behaviour All LEDs turn on in sequence By pressing a key the corresponding icon unit lights up The code is shown on the LCD and a beep sounds All the icons on the LCD flash Working conditions There is a control to ...

Page 8: ...imum time 5 mins LCD display Water level in the tub is displayed mm Position 4 Water fill to conditioner compartment Purpose of the test To check the correct operation of the conditioner compartment water route Components activated Door safety interlock Pre wash and wash solenoid valves Working conditions Door closed Water level below anti flooding level Maximum time 5 mins LCD display Water level...

Page 9: ...ng element Working conditions Door closed Water level high enough to cover the heating element Maximum time 10 mins or up to 90 C LCD display Temperature in C measured using the NTC probe Position 8 Leaks from the tub Purpose of the test To check for any water leaks from the tub during operation Components activated Door fastening device Wash solenoid if the water in the tub is not enough to cover...

Page 10: ...um via DSP Components activated Drum rotation motor door fastening device Drum position sensor DSP Working conditions Door closed LCD display Position 11 Reading Deleting the last alarm Purpose of the test Reading Deleting the last alarm Components activated Working conditions LCD display In most cases this time is sufficient to check the heating However the time can be increased by repeating the ...

Page 11: ...essary to wait for power supply voltage and or frequency to restore normal conditions The alarms are enabled while the washing programme is running With the exception of alarms associated with the configuration and the power supply voltage frequency which are also displayed during the programme selection phase The door can normally be opened except where specified when an alarm condition has occur...

Page 12: ...r the diagnostic mode Irrespective of the type of circuit board and configuration turn the programme selector knob clockwise to the tenth position and this will display the last alarm To display previous alarms press the button to the left of the START PAUSE button in sequence as shown in the figure To return to the last alarm press the START PAUSE button ...

Page 13: ...layed the appliance continues to perform the cycle or if in the programme selection phase it maintains the previously selected options in memory 4 4 Deleting the last alarm It is good practice to cancel the alarms stored After reading the alarm codes to check whether the alarm re occurs during the diagnostic cycle After repairing the appliance to check whether it re occurs during testing Series 6 ...

Page 14: ... cycle is counted which does not include pauses delayed start time rinse hold time and soaking phases the precision of the counter is 30 seconds per programme only whole hours of operation are counted 1 hr and 59 min 1 hr 5 1 Reading the operating time Do not start the procedure with the combination buttons pressed Series 6 Series 7 Turn the appliance on at the ON OFF switch Turn the programme sel...

Page 15: ...time is 6 550 hours the display will show the following sequence Phase 1 Phase 2 Phase 3 For two seconds the following is displayed Hr For two seconds the following digits are displayed ª thousands 6 ª hundreds 5 For the next two seconds the following digits are displayed ª tens 5 ª units 0 At the end of phase three after the tens and units are displayed the cycle is repeated To return to normal m...

Page 16: ...w Water fill solenoid valve faulty Leaks clogging of pressure switch water circuit Pressure switch faulty Cycle is paused with door locked START RESET E21 Drain difficulty during washing Drain tube kinked clogged improperly positioned Drain filter clogged dirty Faulty wiring Pressure switch faulty Drain pump rotor blocked Drain pump faulty Main circuit board faulty Cycle is paused after 2 attempts...

Page 17: ...ilter clogged dirty Drain pump faulty Leaks from pressure switch water circuit Pressure switch defective Wiring main circuit board Cycle paused START RESET E35 Overflow Water fill solenoid valve faulty Leaks from pressure switch water circuit Faulty wiring Pressure switch faulty Main circuit board faulty Cycle interrupted Safety drain cycle Drain pump continues to operate 5 min on then 5 min off e...

Page 18: ...faulty Safety drain cycle Cycle blocked RESET E44 Faulty sensing by door delay system Main circuit board faulty Safety drain cycle Cycle blocked RESET E45 Faulty sensing by door delay system triac Main circuit board faulty Safety drain cycle Cycle blocked RESET E51 Motor power triac short circuited Faulty wiring Motor faulty Main circuit board faulty After 5 attempts cycle blocked with door unlock...

Page 19: ...ment power relay faulty inconsistency between sensing and relay status Main circuit board faulty Safety water fill Cycle stops with door closed ON OFF RESET E68 Current leak to the ground Earth leakage between heating element and earth The heating phase is skipped START RESET E69 Heating element interrupted Faulty wiring Heating element for washing interrupted thermal fuse open Main circuit board ...

Page 20: ...faulty The heating phase is skipped START RESET E74 NTC probe for wash cycle improperly positioned Faulty wiring NTC probe for wash cycle improperly positioned NTC probe faulty Main circuit board faulty The heating phase is skipped RESET E83 Error in reading selector Main circuit board faulty Incorrect configuration data Cycle cancelled START RESET E86 Selector configuration error Incorrect config...

Page 21: ...nfiguration Main circuit board faulty Incorrect configuration data Cycle blocked RESET E9C Display board configuration error Display board faulty START ON OFF RESET E9F Communication error between main board and display board Faulty wiring Display board faulty Main board faulty ON OFF EA1 No drum position signal made DSP sensor faulty Transmission belt broken Main circuit board faulty Faulty wirin...

Page 22: ...inal spin phases skipped START RESET EF6 Reset If it continues replace the main board EH1 Supply frequency of appliance outside the limits Problem with the power supply network incorrect disturbed Main circuit board faulty Wait for nominal frequency conditions ON OFF EH2 Supply voltage too high Problem with the power supply network incorrect disturbed Main circuit board faulty Wait for nominal vol...

Page 23: ...Technical Support A D L 02 2011 23 24 599 74 08 64 6 DIAGRAMS 6 1 WM diagram with THREE PHASE ASYNCHRONOUS MOTOR ...

Page 24: ...e wash solenoid 6 Wash solenoid 7 Tachometric generator motor 8 Universal motor 9 Heating element 10 DSP 11 Display board 12 Aqua control sensor 13 Drain pump DOOR_TY Door interlock Triac PWELT_TY Pre wash solenoid Triac WELT_TY Wash solenoid Triac MOTOR_TY Motor Triac DRAIN_YTY Drain pump Triac K1 Heating element relay K2 Heating element relay K3 Motor relay K4 Motor direction relay K5 Motor dire...

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