Electrolux EWM10931 TC1, EWM10931 TC2, EWM10931 TC3 Schematic

SERVICE MANUAL

WASHING

© ELECTROLUX HOME PRODUCTS
Customer Care - EMEA
Training and Operations Support
Technical Support

Edition: 04/2012 - Rev. 00

Publication

number

599 75 27-46

EN

Washing machines

guide to diagnostics of

electronic controls

EWM10931

THE INSPIRATION

RANGE

TC3 / TC2 / TC1

Guide to diagnostics of electronic controls EWM10931

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Guide to diagnostics of electronic controls EWM10931

Index

INTRODUCTION .................................................................................................................................. 5

1

1.1 Purpose of this manual .................................................................................................................. 5

1.2 Cautions ........................................................................................................................................ 5

1.3 How to proceed ............................................................................................................................. 6

2 WM APPLIANCE CONTROL PANELS ................................................................................................. 7

3 PROGRAMMING/UPDATING THE MAIN CIRCUIT BOARD ................................................................. 7

4 DIAGNOSTICS SYSTEM ..................................................................................................................... 8

4.1 Accessing diagnostics ................................................................................................................... 8

4.2 Quitting the diagnostics system ..................................................................................................... 8

4.3 Phases of the diagnostics test ....................................................................................................... 9

4.3.1 TC3-TC2 styling .................................................................................................................... 9

4.3.2 TC1 styling .......................................................................................................................... 11

5 ALARMS ............................................................................................................................................ 13

5.1 Displaying the alarms to the user ................................................................................................. 13

5.2 Reading the alarms ..................................................................................................................... 14

5.2.1 TC3-TC2 styling .................................................................................................................. 14

5.2.2 TC1 styling .......................................................................................................................... 14

5.3 Rapid reading of alarms ............................................................................................................... 14

5.4 Deleting the last alarm ................................................................................................................. 15

5.5 ALARM SUMMARY TABLE ......................................................................................................... 16

5.6 Notes on the behaviour of certain alarms ..................................................................................... 20

6 CANNOT ACCESS THE DIAGNOSTICS PROGRAMME .................................................................... 21

6.1 None of the LEDs on the circuit board light up ............................................................................. 21

7 TROUBLESHOOTING BASED ON ALARM CODES .......................................................................... 22

E11: Water fill difficulty during washing ............................................................................................ 22

E13: Water leaks ............................................................................................................................. 24

E21: Drain difficulty ......................................................................................................................... 26

E23: Problems with the component (triac) controlling the drain pump .............................................. 28

E24: Sensing circuit of the component (triac) controlling the drain pump faulty................................. 30

E31: The analogue pressure switch provides the main circuit board with a signal outside the limits. 30

E32: The analogue pressure switch causes an error during calibration ............................................ 31

E35: Water level too high ................................................................................................................ 32

E38: Internal pressure chamber is clogged ...................................................................................... 33

E41: Door open (device with 4 connections) .................................................................................... 34

E42: Problems opening door (device with 4 connections) ................................................................ 36

E43: Problems with the component (triac) controlling the door delay system (device with

4 connections) ........................................................................................................................ 38

E44: Door closed “sensing” circuit faulty .......................................................................................... 39

E45: Problems with the “sensing” circuit of the component (triac) controlling the door delay system . 39

E52: No signal from the motor tachimetric generator (1st part) ......................................................... 40

E52: No signal from the motor tachimetric generator (2nd part) ......................................................... 42

E57: Inverter is drawing more than 16A current ............................................................................... 44

E58: Inverter is drawing more than 4A current ................................................................................. 46

E59: No signal from the tachometric generator ................................................................................ 48

E5A: Overheating on Inverter board heat dissipator ......................................................................... 50

E5C: The Inverter board input voltage is too high (beyond 430 V) .................................................... 51

E5d: Data transfer error between Inverter board and main circuit board ........................................... 52

E5E: Communication error between Inverter board and main circuit board ...................................... 53

E5F: Inverter board fails to start the motor ....................................................................................... 53

E5H: The Inverter board input voltage is too low (less than 175 V) .................................................. 54

E62: Overheating during washing .................................................................................................... 55

E66: Heating element power supply relay faulty .............................................................................. 56

E68: Washing heating element leakage ........................................................................................... 57

E69: Washing heating element damaged ........................................................................................ 58

E6A: Heating relay sensing faulty .................................................................................................... 59

E6H: Heating element power relay faulty (incongruence between sensing and relay status) ............ 59

E71: Washing NTC probe faulty ...................................................................................................... 60

E74: NTC probe improperly positioned ............................................................................................ 61

E83: Error reading the programme selector code............................................................................. 62

E86: Programme selector configuration error................................................................................... 62

E87: Display board microprocessor faulty ........................................................................................ 62

E91: Communication error between the display board and the main circuit board (1st part) .............. 63

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E91: Communication error between the display board and the main circuit board (2nd part) ............. 64

E91: Communication error between the display board and the main circuit board (3rd part) .............. 65

E92: protocol incongruence ............................................................................................................. 66

E93: Appliance configuration error................................................................................................... 66

E94: Incorrect configuration of washing cycle .................................................................................. 66

E97: Inconsistency between control selector version and configuration data .................................... 66

E98: Communication error between main PCB and Inverter board .................................................. 66

E9C: Display board configuration error ............................................................................................ 67

E9E: Display board sensor/touch key faulty ..................................................................................... 67

EC1: Water fill solenoid valves blocked ........................................................................................... 68

EC2: Problem with weight sensor .................................................................................................... 69

EC3: Problem with weight sensor .................................................................................................... 70

EF1: Drain hose blocked/kinked/too high; drain filter clogged/dirty ................................................... 71

EF2: Excessive detergent dosing; drain hose kinked/blocked; drain filter dirty/clogged ................... 71

EF3: Aqua Control device triggered ................................................................................................. 71

EF4: Water fill pressure too low and solenoid valve open ................................................................ 71

EF5: Unbalanced load, spin phases skipped. .................................................................................. 71

EF6: Reset appliance. ..................................................................................................................... 72

EH1: Mains frequency incorrect ....................................................................................................... 72

EH2: Supply voltage too high .......................................................................................................... 72

EH3: Supply voltage too low ............................................................................................................ 73

EH4: “zero watt” relay not functioning .............................................................................................. 73

EHE: Inconsistency between safety relay (main circuit board) and safety sensing circuit ................. 73

EHF: Safety sensing circuit faulty .................................................................................................... 73

8 WM OPERATING CIRCUIT DIAGRAM ............................................................................................... 74

8.1 Key to circuit diagram WM ........................................................................................................... 75

8.2 Main circuit board connectors ...................................................................................................... 76

8.3 Burns on the main circuit board EWM10931 ................................................................................ 77

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1 INTRODUCTION

1.1 Purpose of this manual

The purpose of this manual is to explain, simply and schematically, the steps any Technician must take
when faced with the problems indicated by the various alarm codes on appliances with electronic control in
the EWM10931 TC1-TC2-TC3 THE INSPIRATION RANGE.

Depending on the appliance configuration, the alarms may be entirely or partially displayed to the user: the
latter solution is usually adopted.
The diagnostics system is used by Service Technicians to:

♦ Read alarms
♦ delete the alarm stored,
♦ Test the appliance operation.

1.2 Cautions

 Any work on electrical appliances must only be carried out by qualified personnel.

 Before servicing an appliance, check the efficiency of the electrical system in the

home using appropriate instruments. For example: refer to the indications
provided/illustrated in the <<metratester>> course at the address
(http://electrolux.edvantage.net

) on the Electrolux Learning Gateway portal.

When the work is finished check that the equipment's safety conditions have
been reinstated, as though it were straight off the assembly line.

 If the circuit board has to be handled/replaced, use the ESD kit (Cod. 405 50 63-95/4)

to avoid static electricity from damaging the circuit board, see S.B. No. 599 72 08-09
or consult the course “Electrostatic charges” at the address
(http://electrolux.edvantage.net

) on 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.

 Make resistance measurements, rather than direct voltage and current

measurements.

 Warning the sensors located on the display board could be at a potential of

220 Volts.

 When replacing the heating element, replace it with one

that has the same characteristics (2 thermal fuses) in order
not to compromise the safety of the appliance. Do not
remove/switch the NTC sensors between heating elements.

 Always empty the appliance of all the water before laying it

on its side.

 Never place the appliance on its right side (electronic control system side):

some of the water in the detergent dispenser could leak onto the
electrical/electronic components and cause these to burn.

 When replacing components, please refer to the code shown in the list of spare

parts relating to the appliance.

 The resistance values of the components shown in this S.M. are purely

indicative (relating to a sample appliance with new components).

For the actual value of the component, please refer:
to S.B. 599706597 for motors, and for the other components, please consult
S.M. 599728903 “Component Characteristics”.

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1.3 How to proceed

1. Identify the type of control in question (page 7) and access the diagnostic cycle. (see page 8)

2. Read the alarm stored (page 14) and consult the instructions regarding the “alarm codes”, page 16÷19

3. Delete the alarms stored (page 15)

4. If you are unable to access the diagnostic mode, consult the chapter entitled “The diagnostics system

cannot be accessed” (page 21)

5. Should the main electronic circuit board need to be replaced, make sure there are no burns. (see page 77)

6. After all interventions, check the appliance is operating correctly using the diagnostic cycle. (page 9)

7. Delete any alarm that may have been stored during the diagnostics operations (page 15)

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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.

TC 1

TC 2

THE INSPIRATION RANGE

TC 3

3 PROGRAMMING/UPDATING THE MAIN CIRCUIT BOARD

In the Service Notes the main circuit board (587) is identified with two spare parts
codes:

ª Code 973 914… identifies the pre-programmed board.
ª Code 132… identifies the unprogrammed board.

The circuit board can be programmed/updated using the Sidekick application.
For further information, please refer to the instructions provided/illustrated in the course entitled << Guide
to Sidekick >> at the address (http://electrolux.edvantage.net

In order to update / programme the main board, insert the Sidekick
connector in the position indicated by the red arrow:

• For WASHING MACHINES, this is done directly from the

main board, see Fig.a.

) on the Electrolux Learning Gateway portal.

fig. a

587

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4 DIAGNOSTICS SYSTEM

4.1 Accessing diagnostics

The operations listed below must be carried out within 7 seconds.

TC 3 TC 2 TC 1

Do not start the procedure with your fingers over the combination sensors

1. Switch on the appliance using the ON/OFF button. The first LED lights up.

2. Simultaneously press the START/PAUSE button and the nearest option sensor (as shown in the
diagram).

3. Hold your fingers over the sensors until the LEDs and symbols begin to flash in sequence (approximately
3 seconds).

In the first position, the operation of the sensors, the LEDs and the groups of symbols shown on the LCD
display is checked;

For the TC3 and TC2 styling:
When the programme selector is turned in a clockwise direction, the operation of the various components is
diagnosed and the alarms are read (see diagnostic test on the next page).

For the TC1 styling:
Since there is no selector with which to perform the diagnostics of the various components and the alarm
reading, the two sensors shown in the figure below are used (the top one is used to move forward
progressively and the bottom one to move backwards in the same way). Concurrently, the function performed
is described in the text line (see diagnostic test on page 11).

Next Previous

During this phase, if any combination of sensors (except the one for diagnosis) is pressed, all the option
combinations stored will be deleted (Extra rinse, Buzzer disable, etc.).

4.2 Quitting the diagnostics system

→ To exit the diagnostic cycle, switch the appliance off, then back on and then off again.

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4.3 Phases of the diagnostics test

4.3.1 TC3-TC2 styling

Irrespective of the type of PCB and the configuration of the programme 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.
Concurrently, a selector control code is shown on the LCD display, which indicates for two seconds the
description in the last column of the table below.
(all alarms are enabled in the diagnostic cycle).

Selector
position

1

2

3

4

Components activated Working conditions Function tested LCD display

- The LEDs, groups of symbols
in the LCD screen and the
backlight of the display are
turned on in sequence

- Touch a sensor to turn on the
group of icons in the LCD
screen or the corresponding

Always active

User interface
functioning

LED and the buzzer sounds at
the same time

Door closed

- Door safety interlock

- Wash solenoid valve

- Door safety interlock

- Pre-wash solenoid valve

- Door safety interlock

- Solenoid valve pre-wash

and wash

Water level below
anti-flooding level
Maximum time 5 mins.

Door closed
Water level below
anti-flooding level
Maximum time 5 mins.

Door closed
Water level below
anti-flooding level
Maximum time 5 mins.

Water fill to wash
compartment

Water fill to pre­wash
compartment

Water fill to
conditioner
compartment

Water level in
the tub (mm)

Water level in
the tub (mm)

Water level in
the tub (mm)

5

6

7

- Door safety interlock

- Third solenoid valve

- Door safety interlock

- Fourth solenoid valve

(hot water where featured)

- Door safety interlock

- Wash solenoid valve, if the

water in the tub is not enough
to cover the heating element

- Heating element

- Weight sensor (if there is one,

an extra litre of water is
loaded)

- Circulation pump

Door closed
Water level below
anti-flooding level
Maximum time 5 mins.

Door closed
Water level below
anti-flooding level
Maximum time 5 mins.

Door closed
Water level above the
heating element
Maximum time
10 mins up to 90°C (*)

Water fill to third
solenoid valve
compartment

Water fill to
fourth solenoid
valve
compartment

Reheating
Circulation

Water level in
the tub is
displayed (mm)

Water level in
the tub is
displayed (mm)

Temperature in
°C measured
using the NTC
probe

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8

Guide to diagnostics of electronic controls EWM10931

- Door safety interlock

- Wash solenoid valve, if the

water in the tub is not enough
to cover the heating element

- Motor (55 rpm clockwise,
55 rpm anti-clockwise,

Door closed
Water level above the
heating element

Check for leaks
from the tub

Drum speed in
rpm/10

250 rpm pulse)

9

10

- Door safety interlock

- Drain pump

- Motor up to 650 rpm then at

maximum spin speed (**)

- Door safety interlock

- Drain pump

- Power fan

- Condensation solenoid valve

- Drying heating element

Door closed
Water level lower
than anti-boiling level
for spinning

Door closed
Water level below
anti-boiling level
Maximum time
10 minutes

Drain, calibration
of analogue
pressure switch
and spin

Drying

Drum speed in
rpm/10

Displays the air
temperature
alternating
detection by
the two NTC
probes

11

- Reading/Deleting the last alarm ----- ----

- The LEDs, groups of symbols

in the LCD screen and the
backlight of the display are

12

÷

14

turned on in sequence

- Touch a sensor to turn on the
group of icons in the LCD
screen or the corresponding

Always active

User interface
functioning

LED and the buzzer sounds at
the same time

(*) In most cases, this time is sufficient to check the heating. H owever, the time can be increased by repeating the phase without draining
the water: pass f or a moment to a different phase of the diagnostic cycle and then back to the heating control phase (if the temperatur e is
higher than 80°C, heating does not take place).
(**) The check at the maximum speed occurs without control of the A.G.S. and no garments must be inside the appliance.

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4.3.2 TC1 styling

Irrespective of the type of circuit board and the configuration of the programmes, after entering the diagnostic
mode, touch the sensor to the left of the display (as shown in the figure) to perform the diagnostic cycle for the
operation of the various components and to read any alarms.
The LCD display shows the function checked in the middle (see third column) and at the top right, using the
three digits:

¾ the water level in the tub, during the solenoid valve activation phases.
¾ the temperature in degrees °C, during the heating phases.
¾ the drum revolutions in rpm/10, during the phases when the motor is powered.

(all alarms are enabled in the diagnostic cycle)

Location Components activated Working conditions Function tested LCD display

- The LEDs are turned on in
sequence, as are the symbol
groups of the LCD display and

1

its backlight

- Touch a sensor to turn on the
group of icons in the LCD

Always active

User interface
functioning

screen or the corresponding
LED and the buzzer sounds at
the same time

2

3

4

5

6

- Door safety interlock

- Wash solenoid valve

- Door safety interlock

- Pre-wash solenoid valve

- Door safety interlock

- Solenoid valve

pre-wash and wash

- Door safety interlock

- Third solenoid valve

- Door safety interlock

- Fourth solenoid valve (hot water

where featured)

Door closed
Water level below
anti-flooding level
Maximum time 5 mins.

Door closed
Water level below
anti-flooding level
Maximum time 5 mins.

Door closed
Water level below
anti-flooding level
Maximum time 5 mins.

Door closed
Water level below
anti-flooding level
Maximum time 5 mins.

Door closed
Water level below
anti-flooding level
Maximum time 5 mins.

Water fill to
wash
compartment

Water fill to
pre-wash
compartment

Water fill to
conditioner
compartment

Water fill to
third solenoid
valve
compartment

Water fill to
fourth solenoid
valve
compartment

- Door safety interlock

7

- Wash solenoid valve, if the
water in the tub is not enough to
cover the heating element

- Heating element

- Weight sensor (if there is one,

an extra litre of water is loaded)

Door closed
Water level above the
heating element
Maximum time
10 mins up to 90°C (*)

Reheating
Circulation

- Circulation pump

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8

9

10

Guide to diagnostics of electronic controls EWM10931

- Door safety interlock

- Wash solenoid valve, if the

water in the tub is not enough to
cover the heating element

- Motor (55 rpm clockwise,

Door closed
Water level above
the heating element

Check for leaks
from the tub

55 rpm anti-clockwise,
250 rpm pulse)

- Door safety interlock

- Drain pump

- Motor up to 650 rpm then at

maximum spin speed (**)

Door closed
Water level lower
than anti-boiling level
for spinning

Drain,
calibration of
analogue
pressure switch
and spin

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

11

- Reading/Deleting the last alarm ----- ----

- The LEDs, groups of symbols in

the LCD screen and the
backlight of the display are

12

÷

14

turned on in sequence

- Touch a sensor to turn on the
group of icons in the LCD screen

Always active

User interface
functioning

or the corresponding LED and
the buzzer sounds at the same
time

(*) In most cases, this time is sufficient to check the heating. H owever, the time can be increased by repeating the phase without draining
the water: pass f or a moment to a different phase of the diagnostic cycle and then back to the heating control phase (if the temperatur e is
higher than 80°C, heating does not take place).
(**) The check at the maximum speed occurs without control of the A.G.S. and no garments must be inside the appliance.

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5 ALARMS

5.1 Displaying the alarms to the user

When a problem occurs in the appliance, the LCD display shows a “WARNING”:

− in stylings TC3 and TC2 with a code (in the three digits, where the time until the end of the cycle is
represented).

− in styling TC1, a message is shown (in the text line).

This information ceases to be displayed when the problem is repaired/solved. The buzzer then emits a
sound (three short “beeps”every 20” for 5 minutes). This does not occur for alarm EH0.

TC 3 TC 2

TC 1

The alarms displayed to the user are listed below and can also be eliminated by the user:

TC3 / TC2 TC1

E10 - Water fill difficulty (tap closed) Check the tap
E20 - Drain difficulty (filter dirty) Check the drain filter
E40 - Door open Check the door
EF0 - Excessive detergent Excessive detergen
EH0 - Voltage or frequency outside normal values Unstable frequency or voltage

While the alarm listed below:

TC3 / TC2 TC1

EF0 - Water leakage (Aqua Control System) Caution: water

The intervent ion of a service engineer is required.

The other alarms are displayed by a code.

The alarms are enabled during the execution of the washing programme. With the exception of alarms
associated w ith the configuration and the power supply voltage/frequency, whic h ar e also displayed dur ing
the programme selec tion phase.

The door can normally be opened (except where specified) when an alarm condition has occurred, on
condition that:

• The level of the water in the tub is below a certain level.

• The water temperature is lower than 55°C.

• The motor has stopped.

Certain alarm conditions require a drain phase to be performed before the door can be opened for safety
reasons:

• Cooling water fill if the temperature is greater than 65°C.

• Drain until the analogue pressure switch is on empty, during a max. 3 minute interval.

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5.2 Reading the alarms

The last three alarms stored in the FLASH memory of the PCB can be
displayed:

5.2.1 TC3-TC2 styling

• Enter the diagnostic mode (para. 3.1).

• Irrespective of the type of PCB and configuration, turn the programme

selector knob clockwise to the eleventh position the last alarm is displayed.

• To display previous alarms, touch the sensor closest to the START/PAUSE

sensor in sequence (as shown in the figure).

• To return to the last alarm, touch the START/PAUSE sensor.

TC 3 TC 2

5.2.2 TC1 styling

• Enter the diagnostic mode (para. 3.1).

• Irrespective of the type of circuit board and configuration, using the sensor

shown in the figure, go to the eleventh position and the last alarm is
displayed.

• To display previous alarms, touch the sensor closest to the START/PAUSE

sensor in sequence (as shown in the figure below).

• To return to the last alarm, touch the START/PAUSE sensor.

TC 1

5.3 Rapid reading of alarms

It is possible to display the last alarm even if the selector is not in the eleventh diagnostics position or if the
appliance is in normal operating mode (for example when performing a wash programme):
→ Touch the START/PAUSE sensor and the nearest option sensor simultaneously (as if you were

entering DIAGNOSTIC mode) and hold for at least 2 seconds: the LCD display shows the last alarm.

 The alarm will continue to be displayed until a sensor is touched.
 The alarm reading system is as described in para. 4.2.
 While the alarm is being displayed, the appliance continues to perform the cycle or, if in the programme

selection phase, it stores the previously selected options.

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5.4 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

TC 3 TC 2

1. Enter the diagnostic mode (para. 3.1).

2. Turn the selector clockwise until the eleventh LED lights up.

3. Simultaneously press the START/PAUSE sensor and the nearest option sensor (as
shown in the diagram).

4. Keep your fingers over the sensors until the LCD display shows “E00” (at least
5 seconds).

TC 1

Fig. a Fig. b

1. Enter the diagnostic mode (para. 3.1).

2. Irrespective of the type of circuit board and configuration, touch the sensor (shown in
fig. a) to go to the eleventh position and the alarm is displayed.

3. Simultaneously press the START/PAUSE sensor and the nearest option sensor
(as shown in fig. b).

4. Keep your fingers over the sensors until the LCD display shows “E00” (at least
5 seconds).

N.B. With this operation all the alarms stored are deleted.

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t

5.5 ALARM SUMMARY TABLE

Alarm Description Possible faul

E00

Tap closed or water pressure too low; drain pipe improperly

E11 Water fill difficulty during washing

E13 Water leaks

E21

E23

E24

E31

E32

E35

E38

E41

Drain difficulty during washing

Faulty triac for drain pump Wiring faulty; drain pump faulty; main PCB fault.

Drain pump triac “sensing” circuit
faulty

Malfunction in electronic pressure
switch circuit

Calibration error of the electronic
pressure switch

Overflow

Internal pressure chamber is
clogged (water level does not
change for at least 30 sec. of drum
rotation)

Door open

E42 Problems with door lock

E43

E44

E45

Faulty triac supplying power to door
delay system

Faulty sensing by door delay system Main circuit board faulty.

Faulty sensing by door delay system
triac

positioned; water fill solenoid valve faulty; leaks from water circuit on
pressure switch; pressure switch faulty; wiring faulty; main PCB
faulty.
Drain pipe improperly positioned; water pressure too low
Water fill solenoid valve faulty; water circuit on pressure switch is
leaking/clogged; pressure switch faulty.

Drain pipe kinked/clogged/improperly positioned; drain filter
clogged/dirty; wiring faulty; pressure switch faulty; drain pump rotor
blocked; drain pump faulty; main PCB faulty.

Main circuit board faulty.

Wiring; Electronic pressure switch; Main PCB. Cycle stops with door locked RESET 28

Drain pipe kinked/clogged/improperly positioned; solenoid valve
faulty; drain filter clogged/dirty; drain pump faulty; leaks from pressure
switch hydraulic circuit; pressure switch faulty;
Wiring; main PCB.

Water fill solenoid valve faulty; leaks from water circuit on pressure
switch; wiring faulty; pressure switch faulty; main PCB faulty.

Motor belt broken; water circuit on pressure switch clogged. Heating phase is skipped RESET 31

Check whether the door is closed properly;
Wiring faulty; door safety interlock faulty;
Main circuit board faulty.
Wiring faulty; door safety interlock faulty;
Electrical current leak between heating element and ground; main
PCB faulty.
Wiring faulty; door safety interlock faulty;
Main circuit board faulty.

Main circuit board faulty.

Machine status/action Rese

Cycle is paused with door locked START/RESET 20

Cycle is paused with door locked START/RESET 22

Cycle is paused

(after 2 attempts)

Safety drain cycle - Cycle stops with

door open

Safety drain cycle - Cycle stops with

door unlocked

Cycle is paused START/RESET 29

Cycle interrupted. Safety drain cycle.

Drain pump continues to operate (5 min.

on, then 5 min. off. etc.)

Cycle is paused START/RESET 32

Cycle is paused START/RESET 34

(Safety drain cycle)

Cycle blocked

(Safety drain cycle)

Cycle blocked

(Safety drain cycle)

Cycle blocked

START

ON/OFF

RESET

RESET 26

RESET 28

RESET 30

RESET 36

RESET 37

RESET 37

Page

24

2012 TS/DT-mdm FCPD-dp 16/79 599 75 27-46 Rev.00

Guide to diagnostics of electronic controls EWM10931

t

t

Alarm Description Possible faul

E52

E57

E58

E59

E5A

No signal from motor tachometric
generator
Inverter is drawing too much current
(

>15 A)

Inverter is drawing too much current
(

>4.5 A)

No signal from tachometric
generator for 3 seconds

Overheating on heat dissipator for
Inverter

E5C Input voltage is too high

E5d

E5E

E5F

E5H

E62

E66

Data transfer error between Inverter
and main PCB
Communication error between
Inverter and main PCB

Inverter PCB fails to start the motor Wiring faulty; Inverter PCB faulty; Main PCB faulty.

Input voltage is lower than 175 V Wiring faulty; Inverter PCB faulty.

Overheating during washing
(temperature higher than 88°C for
more than 5 min.)
Heating element power relay faulty
(inconsistency between sensing and
K2 relay status)

Wiring faulty; Motor faulty;
Inverter board faulty.

Wiring faulty on inverter for motor; inverter PCB faulty; motor faulty.

Motor malfunction (overload); Wiring faulty on inverter faulty; motor
faulty; inverter PCB faulty.

Wiring faulty on inverter for motor; inverter PCB faulty; motor faulty.

Overheating caused by continuous operation or ambient conditions
(let appliance cool down); Inverter PCB faulty. NTC open (on the
Inverter PCB).
Input voltage is too high (m easure the grid voltage); Inverter PCB
faulty.

Line interference; wiring faulty; faulty main PCB or inverter PCB. ----------------

Faulty wiring between main PCB and inverter PCB; Inverter PCB
faulty; Main PCB faulty.

Wiring faulty; NTC probe for wash cycle faulty; Heating element
faulty; Main PCB faulty.

Main PCB faulty.

Machine status/action Rese

Cycle stops with door locked

(after 5 attempts)

Cycle stops with door locked

(after 5 attempts)

Cycle stops with door locked

(after 5 attempts)

Cycle stops with door locked

(after 5 attempts)

Cycle stops with door locked

(after 5 attempts)

Cycle stops with door locked

(after 5 attempts)

Cycle blocked

(after 5 attempts)

Cycle stops with door open

(after 5 attempts)

Cycle stops with door locked

(after 5 attempts)

Safety drain cycle

Cycle stops with door open

Safety water fill

Cycle stops with door closed.

Page

ON/OFF

RESET

ON/OFF

RESET

ON/OFF

RESET

ON/OFF

RESET

ON/OFF

RESET

ON/OFF

RESET

ON/OFF

RESET

ON/OFF

RESET

ON/OFF

RESET

ON/OFF

RESET

RESET 53

ON/OFF

RESET

38/40

E68 Current leak to the ground Current leakage between heating element and ground. The heating phase is skipped START/RESET 55

START

ON/OFF

RESET

ON/OFF

RESET

E69 Heating element interrupted

E6A

E6H

E71

E74

E83

Heating relay sensing faulty Main circuit board faulty. Cycle stops with door locked RESET 57
Heating element power relay faulty

(inconsistency between sensing and
K1 relay status)

NTC probe forwash cycle faulty
(short-circuited or open)
NTC probe for wash cycle
improperly positioned

Error in reading selector Main PCB faulty (Incorrect configuration data). Cycle cancelled START/RESET 60

Wiring faulty; Heating element for washing interrupted (thermal fuse
open); Main PCB faulty.

Wiring faulty; Earth-leakage between heating element and earth;
Main PCB faulty.

Wiring faulty; NTC probe for wash cycle faulty;.
Main circuit board faulty.
Wiring faulty; NTC probe for wash cycle improperly positioned; NTC
probe faulty; Main PCB faulty.

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

Safety water fill

Cycle stops with door closed.

The heating phase is skipped START/RESET 58

The heating phase is skipped RESET 59

42

44

46

48

49

50

51

51

52

54

56

57

2012 TS/DT-mdm FCPD-dp 17/79 599 75 27-46 Rev.00

Guide to diagnostics of electronic controls EWM10931

t

t

Alarm Description Possible faul

E86 Selector configuration error Display board. ----------------

E87

E91

E92

E93

E94

E97

E98

E9C

E9E

EC1

EC2

EC3

EF1

EF2

EF3

EF4

EF5

Display board microprocessor faulty If this continues, replace the display board. No action to be taken

Communication error between main
PCB and display
Communication inconsistency
between main PCB and display
(incompatible versions)

Appliance configuration error Main PCB faulty (incorrect configuration data). Cycle blocked ON/OFF 62
Incorrect configuration of washing

cycle
Inconsistency between programme
selector and cycle configuration
Communication error between main
PCB - Inverter

Display board configuration error Display board faulty. ----------------

Display board sensor/touch key
faulty

Electronically controlled valve
blocked with operating flowmeter

Data transfer error between Weight
sensor and main PCB.
Problems with weight sensor (no
signal or outside the limits)

Drain filter clogged
(drain phase too long)
Overdosing of detergent (too much
foam during drain phases)

Aqua control system intervention Water leaks onto base frame; Aqua control system faulty. Appliance drains ON/OFF RESET 67
Water fill pressure too low, no signal

from flowmeter and electronically
controlled valve is open

Unbalanced load Final spin phases skipped. ---------------- START/RESET 67

Wiring faulty; Control/display PCB faulty;
Main circuit board faulty; Inverter PCB faulty; Weight sensor faulty.

Incorrect control/display PCB;
Incorrect PCB (does not correspond to the model).

Main PCB faulty (incorrect configuration data). Cycle blocked ON/OFF 62

Main PCB faulty (incorrect configuration data). Cycle blocked RESET 62

Incompatibility between main PCB and Inverter. Cycle blocked ON/OFF 62

Display board faulty. ---------------- ON/OFF 63

Wiring faulty; Solenoid valve faulty/blocked, Main PCB faulty.

Wiring faulty; Weight sensor faulty, PCB faulty. No action to be taken START/RESET 65

Wiring faulty; Weight sensor faulty; Main PCB faulty. ---------------- START/RESET 66

Drain filter clogged/dirty;
Drain hose blocked/kinked/too high.
Excessive detergent dosing; Drain hose kinked/blocked;
Drain filter clogged/dirty.

Tap closed, water fill pressure too low. ---------------- RESET 67

Drain pump continues to operate (5 min.

Machine status/action Rese

START

ON/OFF

RESET
START

ON/OFF

RESET

---------------- RESET 61

Cycle blocked ON/OFF 62

START

ON/OFF

RESET

Cycle stops with door locked

RESET 64

on, then 5 min. off. etc.)

Warning displayed at the end of cycle START/RESET 67

Warning displayed after 5 attempts or

by the specific LED

RESET 67

Page

EF6 Reset If it continues, replace the main board. No action to be taken ---------------- 68

EH1

Supply frequency of appliance
outside the limits

Problem with the power supply network (incorrect/disturbed); Main
PCB faulty.

Wait for nominal frequency conditions ON/OFF 68

60

60

63

2012 TS/DT-mdm FCPD-dp 18/79 599 75 27-46 Rev.00

Guide to diagnostics of electronic controls EWM10931

t

t

Alarm Description Possible faul

EH2

Supply voltage too high

EH3 Supply voltage too low

EH4

EHE

EHF

0 Watt relay malfunction Main circuit board faulty. ----------------

Inconsistency between FCV relay
(in the main board) and safety
“sensing” circuit
Safety sensing circuit faulty (wrong
input voltage to microprocessor)

Problem with the power supply network (incorrect/disturbed); Main
PCB faulty.
Problem with the power supply network (incorrect/disturbed); Main
PCB faulty.

Faulty wiring; Main circuit board faulty.

Main circuit board faulty.

Machine status/action Rese

Wait for nominal voltage conditions ON/OFF 68

Wait for nominal voltage conditions ON/OFF 69

ON/OFF

RESET

Safety drain cycle

Cycle stops with door open

Safety drain cycle

Cycle stops with door open

RESET 69

RESET 69

Page

69

2012 TS/DT-mdm FCPD-dp 19/79 599 75 27-46 Rev.00

Guide to diagnostics of electronic controls EWM10931

5.6 Notes on the behaviour of certain alarms

 Configuration alarm E93: when this alarm rings (when turned on) the machine blocks and the alarm code appears on the display provided the relevant

configuration part is intact.

It will not be possible to access diagnostics mode and the only available option is to turn the appliance off.

 Configuration alarm E94: and the code can be viewed from the display.
The diagnostics mode cannot be accessed and the “quick alarm viewing” mode cannot be used.

 Alarms EH1-EH2-EH3: in the event of problems with the supply voltage, the appliance remains in alarm status until the mains frequency or voltage returns to

acceptable values or the appliance is switched off (ON/OFF button). Only the “H” alarm family is displayed if the problem occurs while the appliance is
working normally, the code is shown simultaneously on the display.

The diagnostics mode cannot be accessed and the “quick alarm viewing” mode cannot be used: the alarm can only be read in full when the situation has

normalised.

 Alarms E51- E52: all the alarms are displayed during diagnostic testing: normally, when shifting from one control phase to another, the appliance quits the

alarm mode and executes the selected phase. This is not the case for alarms E51 (motor power supply TRIAC short-circuiting) and E52 (no signal from motor
tachometric generator): the only possibility to exit the alarm situation is to rotate the programme switch to the “0” position (reset) for the TC2 and TC3 stylings,
while for the TC1 styling press the ON/OFF button.

2012 TS/DT-mdm FCPD-dp 20/79 599 75 27-46 Rev.00

Guide to diagnostics of electronic controls EWM10931

Y

Y

Y

Y

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

on the main board (connector J1) working

Is the communication wiring between the main

board (connector J4) and the display board

(connectors J2 and J3) working properly? (insert

properly?

E
S

and remove)

E
S

Does the ON/OFF button function mechanically?

E
S

Change the main circuit board.

Is the appliance working correctly?

E
S

Run the diagnostics programme.

MAIN CIRCUIT

BOARD

NO

NO

NO

NO

GENERAL EARTHING

Replace/repair the power supply cable, check

the connection.

Replace/repair wiring.

Replace/repair the button or replace the display

board.

Replace display board.

DISPLAY BOARD

J1

2012 TS/DT-mdm FCPD-dp 21/79 599 75 27-46 Rev.00

Guide to diagnostics of electronic controls EWM10931

Y

Y

Y

Y

Y

N

Y

Y

7 TROUBLESHOOTING BASED ON ALARM CODES

E11: Water fill difficulty during washing

E11

Checks to perform:

O

Is one or are all the solenoid valves not

Is the resistance measurement of the solenoid

valve approximately 3.5÷4.5 KΩ? (Measure it

directly on the solenoid valve without wiring)

Reconnect the connector and measure

approximately 3.5÷4.5 KΩ on the solenoid valve

wiring connector on the circuit board side

Between J8-1 and J8-3 third solenoid valve

Replace the main circuit board and repeat the

diagnostic cycle to check for any further alarms.

correctly and not causing the siphon

Is the pressure switch's water circuit

Replace the main circuit board and repeat the diagnostic cycle to check for any further alarms.

(fig. 4): Between J7-1 and J7-3 wash

Between J7-4 and J7-6 pre-wash

Between J8-4 and J8-6 hot water

Is the solenoid valve wiring ok?

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 ar e correctly inserted

!

Run the diagnostic cycle and fill all the trays with water (phases 2,3,4,5,6).

Are all the trays filling with water?

E
S

Is the drain tube positioned

effect? (fig. 1)

E
S

Is the washing machine's water

circuit efficient (leaking)?

E
S

NO

NO

Repair the drain circuit and repeat the

diagnostic cycle to check for any further alarms.

Repair the water circuit and repeat the

diagnostic cycle to check for any further alarms.

Repair the water circuit of the pressure switch

efficient (leaking/clogged)?

(fig. 2)

E
S

NO

and repeat the diagnostic cycle to check for

any further alarms.

Check whether the tap is open, if the water

pressure is too low and make sure the tubes are

working?

E
S

NO

connected and not kinked.

Replace the solenoid valve and repeat the

NO

diagnostic cycle to check for any further alarms.

-(see fig. 3)-

E
S

NO

E
S

Replace/repair the wiring and repeat the

diagnostic cycle to check for any further alarms.

If there are burns on the circuit board,

!

E11

see page 77

2012 TS/DT-mdm FCPD-dp 22/79 599 75 27-46 Rev.00

Guide to diagnostics of electronic controls EWM10931

V

2

E11

Fig. 1

J16 J13

J15

J10

Fig. 4

If there are burns on the circuit board,

!

see page 77

3.5÷4.5 K

WASHING

PRE-

WASHING

3rd

SOLENOID

ALVE

HOT

WATER

J11 J4 J8

J12

J1

3.5÷4.5 K

J9

J7 J6

J5

J3

Fig. 3

MAIN CIRCUIT

BOARD

Fig. 2

Fig.

2012 TS/DT-mdm FCPD-dp 23/79 599 75 27-46 Rev.00

Guide to diagnostics of electronic controls EWM10931

Y

Y

Y

Y

Y

N

Y

Y

E13: Water leaks

E13

Checks to perform:

approximately 3.5÷4.5 KΩ on the solenoid valve

diagnostic cycle to check for any further alarms.

Maximum overall water fill time exceeded (sum of all water fills between one drain phase

and the next to avoid exceeding the maximum volume).

Run the diagnostic cycle and fill all the trays with water (phases 2,3,4,5,6).

Are all the trays filling with water?

E

O

S

Is the drain tube positioned

correctly and not causing the siphon

effect? (fig. 1)

E
S

Is the washing machine's water

circuit efficient (leaking)?

E
S

Is the pressure switch's water circuit

efficient (leaking/clogged)?

(fig. 2)

E
S

Replace the main circuit board and repeat the diagnostic cycle to check for any further alarms.

Is one or are all the solenoid valves not

working?

E
S

Is the resistance measurement of the solenoid

valve approximately 3.5÷4.5 KΩ? (Measure it

directly on the solenoid valve without wiring)

-(see fig. 3)-

E
S

Reconnect the connector and measure

wiring connector on the circuit board side

(fig. 4): Between J7-1 and J7-3 wash

Between J7-4 and J7-6 pre-wash

Between J8-1 and J8-3 third solenoid valve

Between J8-4 and J8-6 hot water

Is the solenoid valve wiring ok?

E
S

Replace the main circuit board and repeat the

Check that all the connectors ar e correctly inserted

!

NO

Repair the drain circuit and repeat the

diagnostic cycle to check for any further alarms.

Repair the water circuit and repeat the

NO

diagnostic cycle to check for any further alarms.

Repair the water circuit of the pressure switch

NO

and repeat the diagnostic cycle to check for

any further alarms.

Check whether the tap is open, if the water

NO

pressure is too low and make sure the tubes are

connected and not kinked.

NO

Replace the solenoid valve and repeat the

diagnostic cycle to check for any further alarms.

Replace/repair the wiring and repeat the

NO

diagnostic cycle to check for any further alarms.

E13

If there are burns on the circuit board,

!

2012 TS/DT-mdm FCPD-dp 24/79 599 75 27-46 Rev.00

see page 77

E13

Fig. 1

J16 J13

Fig. 4

J15

Guide to diagnostics of electronic controls EWM10931

J11 J4 J8

J10

J12

J1

J9

J7 J6

J5

J3

If there are burns on the circuit board,

!

see page 77

Fig. 2

3.5÷4.5 K

WASHING

3.5÷4.5 K

PRE-

WASHING

Fig. 3

HOT

WATER

MAIN CIRCUIT

BOARD

2012 TS/DT-mdm FCPD-dp 25/79 599 75 27-46 Rev.00

Guide to diagnostics of electronic controls EWM10931

Y

Y

Y

Y

Y

E21

Maximum drain time exceeded (measured for every cycle phase).

E21: Drain difficulty

Checks to perform:

Is the drain filter clean?

(drain pipe and water system of the home)

Is the drain system ok?

E
S

Is the drain pump

working?

(In the diagnostic

cycle, select phase 2
fill and phase 9 drain)
(noise from the pump)

E
S

-(fig. 1)-

NO

Is the resistance
measurement of the
pump approximately

155÷200 Ω?

(Measure it directly

on the connector on

the board side

between J6-3 and

J4-4) -(fig. 4)-

Y
E
S

Y
E
S

Is the pump rotor

mechanically

blocked or broken?

E
S

Clean/replace the drain pump and repeat the diagnostic cycle to check for

Is the pressure switch's water circuit efficient?

Replace the pressure switch and repeat the

diagnostic cycle to check for any further alarms.

(no clogging)

E
S

Check that all the connectors ar e correctly inserted

!

NO

Clean the filter and repeat the diagnostic cycle

Disconnect and check the drain system

NO

and repeat the diagnostic cycle to check

Is the resistance

measurement of the

pump approximately

NO

155÷200 Ω?

(Measure it directly

on the pump)

-(see fig. 5)-

diagnostic cycle to check for any further alarms.

NO

diagnostic cycle to check for any further alarms.

any further alarms.

Repair the water circuit of the pressure switch

and repeat the diagnostic cycle to check for any

NO

E21

to check for any further alarms.

for any further alarms.

Replace the

pump and repeat

NO

E
S

Check/replace the wiring and repeat the

Replace the circuit board and repeat the

further alarms.

the diagnostic

cycle to check for

any further alarms.

If there are burns on the circuit board,

!

2012 TS/DT-mdm FCPD-dp 26/79 599 75 27-46 Rev.00

see page 77

E21

Fig. 1

J16 J13 J15

Fig. 4

Guide to diagnostics of electronic controls EWM10931

J1

J8

J9

J7

J6

J5

J3

J10

J11 J4

J12

Fig. 5

Drain pump

155÷200 

155÷200 

MAIN CIRCUIT

BOARD

If there are burns on the circuit board,

!

2012 TS/DT-mdm FCPD-dp 27/79 599 75 27-46 Rev.00

see page 77

Guide to diagnostics of electronic controls EWM10931

Y

Y

E23

E23: Problems with the component (triac) controlling the drain pump

Checks to perform:

Measure it between connectors J6-3 / J6-4 and

diagnostic cycle to check for any further alarms.

Is the resistance

measurement of the pump

approximately 155÷200 Ω?

(Measure it between

NO

connectors J6-3 and J6-4 on

the board side -(fig. 4)-

Y
E
S

the appliance body. -(fig. 6)-

Is there any dispersion?

E
S

Check/replace the wiring and repeat the

measurement of the pump

approximately 155÷200 Ω?

(Measure it directly on the

pump) -(see fig. 5)-

Check/replace the wiring and repeat the diagnostic cycle to check for

Check that all the connectors ar e correctly inserted

!

Is the resistance

E
S

NO

diagnostic cycle to check for any further alarms.

E23

Replace the pump and repeat

NO

any further alarms.

Replace the main circuit board and repeat the

If there are burns on the circuit board,

!

the diagnostic cycle to check

for any further alarms.

see page 77

2012 TS/DT-mdm FCPD-dp 28/79 599 75 27-46 Rev.00

∞



6

E23

Fig. 5

155÷200 

Fig. 4

Drain pump

Guide to diagnostics of electronic controls EWM10931

J1

J8

J9

J7

J6

J5

J3

J16 J13 J15

J10

J11 J4

J12

Fig.

155÷200 

If there are burns on the circuit board,

!

MAIN CIRCUIT

BOARD

see page 77

2012 TS/DT-mdm FCPD-dp 29/79 599 75 27-46 Rev.00

Guide to diagnostics of electronic controls EWM10931

Y

Y

7

E24

E24: Sensing circuit of the component (triac) controlling the

drain pump faulty

Checks to perform:

E31

Replace the circuit board and repeat the diagnostic cycle to check for any further alarms.

E31: The analogue pressure switch provides the main circuit board

with a signal outside the limits

Checks to perform:

Measure that the circuit is closed between

J10-1, J10-2, J10-3 and the connector of the

analogue pressure switch (they are three

is the wiring between the main circuit board and

Is the appliance displaying the same alarm code

Replace the main circuit board and repeat the

diagnostic cycle to check for any further alarm

independent wires) (see fig. 7).

the analogue pressure switch ok and is it

connected correctly on both sides?

E
S

Replace the analogue pressure switch and

repeat the diagnostic cycle to check for any

further alarm codes.

again?

E
S

codes.

0 

Pressure

switch

NO

Check that all the connectors ar e correctly inserted

!

If there are burns on the circuit board,

!

Check that all the connectors ar e correctly inserted

!

Reconnect and/or replace the wiring and repeat

the diagnostic cycle to check for any further

see page 77

alarms.

Fig.

MAIN CIRCUIT

BOARD

If there are burns on the circuit board,

!

see page 77

E24

E31

2012 TS/DT-mdm FCPD-dp 30/79 599 75 27-46 Rev.00

Guide to diagnostics of electronic controls EWM10931

Y

Y

Y

E32: The analogue pressure switch causes an error during calibration

E32

Checks to perform:

(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 ar e correctly inserted

!

Drain the water from the tub.

Are the pressure switch tube and

pressure chamber unobstructed?

(disconnect the tube and blow into it

NO

to make sure the system is

unobstructed) (fig. 2 and 8)

E
S

Check the drain system (filter, drain

pump, drain tube). Is the appliance

NO

draining correctly?

E
S

Select a washing cycle. After a few minutes, has the appliance filled

with water and is the motor running?

E
S

Appliance ok.

Clean/replace the tube and/or the
pressure chamber and repeat the

diagnostic cycle completely to check for

any further alarms.

Repair the

drain circuit.

Y
E
S

Replace the

analogue

pressure switch

NO

and repeat the
diagnostic cycle
to check for any

further alarms.

Fig. 8

E32

If there are burns on the circuit board,

Fig. 2

2012 TS/DT-mdm FCPD-dp 31/79 599 75 27-46 Rev.00

!

see page 77

Guide to diagnostics of electronic controls EWM10931

S

S

8

E35

The main circuit board measures a water level, using the electronic pressure

switch, of more than 300 mm for longer than 15 secs.

Checks to perform:

appliance continue

\\\

Fig. 2

Drain the water from the tub.
Are the pressure switch tube and
pressure chamber unobstructed?

(disconnect the tubes and blow into them
to make sure the system is unobstructed)

-(see fig. 2 and 8)-

Y
E
S

Run the

Does the

to fill with water

even when it is

switched off?

Y
E
S

Replace the

water fill
solenoid valve
and repeat the

diagnostic cycle
to check for any

further alarms.

NO

diagnostic cycle

at phase 9.

Once the door

has locked, does

the appliance

start to fill with

water?

Replace the main

circuit board and

repeat the
diagnostic cycle
to check for any

further alarms.

E35: Water level too high

Check that all the connectors ar e correctly inserted

!

Clean/change the tube and/or the
pressure chamber and repeat the

diagnostic cycle completely to check for

Is the wiring

the analogue

connected

sides?

Y
E

Change the

analogue

Y
E

NO

between the main

circuit board and

NO

pressure switch

correctly on both

pressure switch

and repeat the
diagnostic cycle
to check for any

further alarms.

any further alarms.

Reconnect

and/or replace

the wiring and

NO

repeat the
diagnostic cycle
to check for any

further alarms.

E35

Fig.

If there are burns on the circuit board,

!

2012 TS/DT-mdm FCPD-dp 32/79 599 75 27-46 Rev.00

see page 77

Y

Y

E38

The analogue pressure switch is not able to measure any variation in the water level for

Checks to perform:

Run the diagnostic

cycle and set

phase 8.

Is the motor running

and the drum not

moving?

E
S

Replace/reposition
the belt and repeat

the diagnostic cycle

to check for any

further alarms.

Guide to diagnostics of electronic controls EWM10931

E38: Internal pressure chamber is clogged

at least 30 secs during drum rotation.

Check that all the connectors ar e correctly inserted

!

Drain the water from

the tub and check the

internal pressure

NO

chamber and the

pressure switch tube.

Is the system

unobstructed?

-(see fig. 2)-

E
S

Replace the

analogue pressure

switch and repeat

the diagnostic cycle

to check for any

further alarms.

NO

E38

Clean the internal

pressure chamber

and/or the pressure

switch tube

(disconnect the tube

and blow into it to

make sure the

system is

unobstructed).

-(see fig. 8)­Repeat the

diagnostic cycle to

check for any further

alarms.

Fig. 8

Fig. 2

If there are burns on the circuit board,

!

2012 TS/DT-mdm FCPD-dp 33/79 599 75 27-46 Rev.00

see page 77

Guide to diagnostics of electronic controls EWM10931

Y

S

Y

Y

E41

E41: Door open (device with 4 connections)

Maximum time exceeded (5 pulses per instant).

Checks to perform:

To check the wiring, measure, with

the door open, between the following

wiring connectors (fig. 4):

- between J5-1 and J5-3, the circuit
must NOT be open (measure the

resistance value of the PTC).

- between J5-1 and J5-4, the circuit
must NOT be open (measure the

resistance value of the PTC).

- between wire J5-1 and J5-2, the
circuit must be OPEN.

Is the system ok?

Y
E
S

Check the mechanical coupling

between the door lock and the door

latch. Is the system efficient?

E
S

Replace the door lock.

Is the appliance working correctly?

E
S

Repeat the diagnostic cycle to

check for any further alarms.

NO

NO

NO

Check that all the connectors ar e correctly inserted

!

Disconnect the door lock

connectors and measure on

the component:

- between connectors 3 and 4,
the circuit must NOT be open

(measure the resistance value

of the PTC).

- between connectors 2 and 4,
the circuit must NOT be open

(measure the resistance value

of the PTC).

- on the other hand, between

connectors 4 and 5, the circuit

must be OPEN (the numbers

are printed on the component).

Is the door lock ok?

(fig. 9)

Y
E

Measure the continuity

between connector J5 (main

circuit board) and the door lock

connector.

Is the wiring ok?

E
S

Replace the circuit board and
repeat the diagnostic cycle to

check for any further alarms.

Replace the door latch/

the door.

Replace the circuit board and
repeat the diagnostic cycle to

check for any further alarms.

NO

NO

E41

Replace the door

lock and repeat

the diagnostic

cycle to check for

any further

alarms.

Replace the

wiring and repeat

the diagnostic

cycle to check for

any further

alarms.

If there are burns on the circuit board,

!

2012 TS/DT-mdm FCPD-dp 34/79 599 75 27-46 Rev.00

see page 77

Guide to diagnostics of electronic controls EWM10931



∞

E41 (device with 4 connections)

J16 J13 J15

J10

J11 J4

J8

J7

J6

J12

J5

J9

J3

Fig. 9

n Ω

n Ω

Fig. 4

Ω

1

4

MAIN CIRCUIT

BOARD

J1

∞

n 

Door lock

(Instantaneous)

If there are burns on the circuit board,

!

see page 77

n 

2012 TS/DT-mdm FCPD-dp 35/79 599 75 27-46 Rev.00

Guide to diagnostics of electronic controls EWM10931

Y

Y

Y

Y

E42

E42: Problems opening door (device with 4 connections)

Maximum time exceeded (5 pulses per instant).

Checks to perform:

To check the wiring, measure, with

the door open, between the

following wiring connectors (fig. 4):

- between J5-1 and J5-3, the circuit
must NOT be open (measure the

resistance value of the PTC).

- between J5-1 and J5-4, the circuit
must NOT be open (measure the

resistance value of the PTC).

- between wire J5-1 and J5-2, the
circuit must be OPEN.

Is the system ok?

Y
E
S

Check the mechanical coupling

between the door lock and the door

latch. Is the system efficient?

E
S

Replace the door lock.

Is the appliance working correctly?

NO

NO

NO

Check that all the connectors ar e correctly inserted

!

Disconnect the door lock

connectors and measure on

the component:

- between connectors 3 and 4,
the circuit must NOT be open

(measure the resistance value

of the PTC).

- between connectors 2 and 4,
the circuit must NOT be open

(measure the resistance value

of the PTC).

- on the other hand, between

connectors 4 and 5, the circuit

must be OPEN (the numbers

are printed on the component).

Is the door lock ok?

(fig. 9)

E
S

Measure the continuity

between connector J5 (main

circuit board) and the door lock

connector.

Is the wiring ok?

E
S

Replace the circuit board and
repeat the diagnostic cycle to

check for any further alarms.

Replace the door latch/

the door

Replace the circuit board and
repeat the diagnostic cycle to

check for any further alarms.

NO

NO

E42

Replace the door

lock and repeat

the diagnostic

cycle to check for

any further

alarms.

Replace the

wiring and repeat

the diagnostic

cycle to check for

any further

alarms.

E
S

Repeat the diagnostic cycle to

check for any further alarms.

If there are burns on the circuit board,

!

2012 TS/DT-mdm FCPD-dp 36/79 599 75 27-46 Rev.00

see page 77

Guide to diagnostics of electronic controls EWM10931



∞

E42 (device with 4 connections)

J16 J13 J15

J10

J11 J4

J12

Fig. 4

Fig. 9

n Ω

Ω

n Ω

1

4

MAIN CIRCUIT

BOARD

J1

J8

J7

J9

(Instantaneous)

J6

J5

J3

∞

n 

Door lock

n 

If there are burns on the circuit board,

!

2012 TS/DT-mdm FCPD-dp 37/79 599 75 27-46 Rev.00

see page 77

Guide to diagnostics of electronic controls EWM10931

Y

Y

Y



E43

E43: Problems with the component (triac) controlling the door

delay system (device with 4 connections)

Checks to perform:

To check the wiring, measure, with

the door open, between the following

wiring connectors (fig. 4):

- between J5-1 and J5-3, the circuit
must NOT be open (measure the

resistance value of the PTC).

- between J5-1 and J5-4, the circuit
must NOT be open (measure the

resistance value of the PTC).

- between wire J5-1 and J5-2, the
circuit must be OPEN.

Is the system ok?

E
S

Replace the circuit board and repeat
the diagnostic cycle to check for any

further alarms.

Fig. 9

n Ω

NO

∞ Ω

Check that all the connectors ar e correctly inserted

!

Disconnect the door lock

connectors and measure on

the component:

- between connectors 3 and 4,
the circuit must NOT be open

(measure the resistance value

of the PTC).

- between connectors 2 and 4,
the circuit must NOT be open

(measure the resistance value

of the PTC).

- on the other hand, between

connectors 4 and 5, the circuit

must be OPEN (the numbers

are printed on the component).

Is the door lock ok?

(fig. 9)

E
S

Measure the continuity

between connector J5 (main

circuit board) and the door lock

connector.

Is the wiring ok?

E
S

Replace the circuit board and
repeat the diagnostic cycle to

check for any further alarms.

Door lock

(Instantaneous)

NO

NO

Replace the door

lock and repeat

the diagnostic

cycle to check for

any further

alarms.

Replace the

wiring and repeat

the diagnostic

cycle to check for

any further

alarms.

∞

n 

n 

E43

n Ω

1

4

MAIN CIRCUIT

BOARD

If there are burns on the circuit board,

!

2012 TS/DT-mdm FCPD-dp 38/79 599 75 27-46 Rev.00

see page 77

Guide to diagnostics of electronic controls EWM10931

E44 E44: Door closed “sensing” circuit faulty E44

Checks to perform:

E45

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)

Checks to perform:

Replace the circuit board and repeat the diagnostic cycle to check for any further alarms.

controlling the door delay system

Check that all the connectors ar e correctly inserted

!

Check that all the connectors ar e correctly inserted

!

If there are burns on the circuit board,

!

see page 77

E45

2012 TS/DT-mdm FCPD-dp 39/79 599 75 27-46 Rev.00

Y

Y

Y

Y

E52: No signal from the motor tachimetric generator (1st part)

E52

Checks to perform:

Cycle interrupted after 5 attempts during the cycle, immediately if recognised at the start of

Access phase 8 of the

diagnostic cycle

(The drum rotates at 55 rpm

clockwise, 55 rpm anticlockwise

with pulse at 250 rpm).

Is the motor running correctly?

Measure between the terminals

of the wiring connector J2-3 and

Are the values (Ω) of the

tachometric generator correct?

(as on page 43

- Point 4 - phase “A”).

Measure between the same

terminals of the wiring

connector

(J2-3 and J2-4) and the

appliance body.

Is there any dispersion?

-(see fig. 13)-

Detach the connector from

the motor and measure

between the terminals and the

motor casing. -(see fig.10)-

Is there any dispersion?

Guide to diagnostics of electronic controls EWM10931

the cycle or during diagnostics.

Check that all the connectors ar e correctly inserted

!

NO

E
S

The motor never runs

Detach the

connector from the

J2-4.

NO

motor and measure
(Ω) the tachometric

generator coil,

-(see fig. 11)­Is the value

correct?

Y
E

(as on page 43

Point 4 - phase”A”).

S

E
S

Check/replace the wiring and repeat the

diagnostic cycle to check for any further alarms.

Check the

positioning of the

tachometric

NO

generator.

Is it correct?

-(see fig. 12)-

E

Y

S

E
S

Replace the motor control board and repeat the

diagnostic cycle to check for any further alarms.

NO

E
S

Check/replace the wiring and repeat the

diagnostic cycle to check for any further alarms.

- see page 42 -

Replace the

motor or

NO

tachometric

generator and

repeat the
diagnostic cycle
to check for any

further alarms.

Replace the

motor/generator

NO

and repeat the
diagnostic cycle
to check for any

further alarms.

E52

Replace the motor and repeat

the diagnostic cycle to check

for any further alarms.

2012 TS/DT-mdm FCPD-dp 40/79 599 75 27-46 Rev.00

If there are burns on the circuit board,

!

see page 77

4

E52

Fig. 12

Fig. 13

Fig. 11

Guide to diagnostics of electronic controls EWM10931

J2

Fig. 1

Fig. 10

∞ 

MOTOR CONTROL

Connector

Motor

XXXΩ

J6

J1

MOTOR

If there are burns on the circuit board,

!

2012 TS/DT-mdm FCPD-dp 41/79 599 75 27-46 Rev.00

see page 77

Guide to diagnostics of electronic controls EWM10931

Y

4

Y

E52: No signal from the motor tachimetric generator (2nd part)

E52

Cycle interrupted after 5 attempts during the cycle, immediately if recognised at the start of

the cycle or during diagnostics.

Checks to perform:

The motor never runs

Check that all the connectors ar e correctly inserted

!

To check the wiring, measure (Ω) between

the following wiring connectors of the

motor control board (fig. 14) and compare

the values with the correct values

(see page 43: point 4 - motor parameters)

- between J2-6 and J2-7, a value as in
point 4 - B (Stator) must be found

- between J2-5 and J2-6, a value as in
point 4 - C (Stator) must be found

- between J2-5 and J2-7, a value as in
point 4 - D (Stator) must be found

Are the values correct?

E
S

Replace the motor control board and

repeat the diagnostic cycle to check for

any further alarms.

NO

Check the motor

as on page 43.

Is the motor ok?

E
S

NO

Check/replace the wiring and repeat the

diagnostic cycle to check for any further alarms.

J2

Replace the motor

and repeat the

diagnostic cycle to

check for any

further alarms.

J6

J1

Fig. 1

Fig. 11

Connector

Motor

MOTOR CONTROL

MOTOR

If there are burns on the circuit board,

!

2012 TS/DT-mdm FCPD-dp 42/79 599 75 27-46 Rev.00

see page 77

E52

Guide to diagnostics of electronic controls EWM10931

How to check three-phase motors

1) Check the connection blocks (wiring)
and for the presence of any
protruding/kinked terminals.

2) Check for the presence of any marks/
residue/water or detergent deposits on
the motor an where these come from.

3) Proceed by checking for any windings/
earthed parts or parts with poor
earthing insulation. Use a tester with a
minimum capacity of 40 MΩ: between
each individual terminal and the motor
casing, read ∞ (fig. 10).

4) Proceed by checking each individual
winding according to the following table

(fig. 11).

MOTOR TERMINAL

BOARD

TERMINALS

A

4-5

B 1-2

C 2-3

D 3-1

S = stator
T = tachometric generator

MOTORS

ACC

CHECK: C.E.SET.

Tac hom etric

generator

windi ng

Stator winding 5.0÷5.8 5.0÷5.8 5.0÷5.8

Stator winding 5.0÷5.8 5.0÷5.8 5.0÷5.8

Stator winding 5.0÷5.8 5.0÷5.8 5.0÷5.8

108÷133 169÷207 85÷98

(SOLE)

NIDEC

ECM

Fig. 11 Fig. 10

If there are burns on the circuit board,

!

see page 77

2012 TS/DT-mdm FCPD-dp 43/79 599 75 27-46 Rev.00

Guide to diagnostics of electronic controls EWM10931

y

Y

Y

E57

E57: Inverter is drawing more than 16A current

Abnormal current absorption by Motor.

Checks to perform:

Measure between the terminals of wiring

connector J2-5, J2-6, J2-7 and the

appliance body: is there any dispersion?

Detach the connector from the motor and

measure between the terminals and the

motor casing.- (see fig. 10) -

Replace the motor and repeat the

diagnostic cycle to check for any further

- (see fig. 13) -

E
S

Is there any dispersion?

E
S

alarms.

NO

NO

Check that all the connectors ar e correctly inserted

!

Replace the motor control board and

repeat the diagnostic cycle to check for

further alarms.

an

Check/replace the wiring and repeat the
diagnostic cycle to check for any further

alarms.

If there are burns on the circuit board,

!

see page 77

E57

2012 TS/DT-mdm FCPD-dp 44/79 599 75 27-46 Rev.00

E57

Fig. 13

Fig. 10

∞ 

Guide to diagnostics of electronic controls EWM10931

J2

Fig. 14

Connector

Motor

MOTOR CONTROL

!

J6

J1

MOTOR

If there are burns on the circuit board,

see page 77

2012 TS/DT-mdm FCPD-dp 45/79 599 75 27-46 Rev.00

Guide to diagnostics of electronic controls EWM10931

N

S

Y

Y

N

E58

E58: Inverter is drawing more than 4A current

E58

Abnormal current absorption by Motor.

Checks to perform:

Check that all the connectors ar e correctly inserted

!

Was the wash cycle performed with too

large a laundry load?

YE

Reduce the laundry load in the drum and

restart the wash cycle.

O

Check whether the drum turns freely

without posing any resistance

(see fig.15).

Is the drum having difficulty rotating?

YES

O

Check whether the friction is caused by the

motor (fig. 17) or by the tub bearings

(fig. 16). Replace the defective component.

Repeat the diagnostic cycle to check for any

further alarms.

Measure between all the terminals of

wiring connector J2-5, J2-6, J2-7 and the

appliance body: is there any dispersion?

- (see fig. 13) -

E
S

NO

Replace the motor control board and repeat

the diagnostic cycle to check for any further

alarms.

Detach the connector from the motor and

measure between the terminals and the

motor casing. - (see fig. 10) -

Is there any dispersion?

NO

Check/replace the wiring and repeat the

diagnostic cycle to check for any further

alarms.

Replace the motor and repeat the

diagnostic cycle to check for any further

E
S

alarms.

J2

J6

J1

2012 TS/DT-mdm FCPD-dp 46/79 599 75 27-46 Rev.00

Fig. 14

If there are burns on the circuit board,

!

see page 77

6

E58

Fig. 15

Fig. 17

Fig. 10

Guide to diagnostics of electronic controls EWM10931

Fig. 1

Fig. 13

If there are burns on the circuit board,

!

∞ 

Connector

Motor

see page 77

MOTOR CONTROL

MOTOR

2012 TS/DT-mdm FCPD-dp 47/79 599 75 27-46 Rev.00

Guide to diagnostics of electronic controls EWM10931

Y

Y

E59

E59: No signal from the tachometric generator

The lack of signal should last at least 3 seconds.

Checks to perform:

Measure between the terminals

of the wiring connector J2-3

(Point 4, phase “A” page 43).

Are the values (Ω) of the

tachometric generator correct?

Measure between the same

terminals of the wiring connector

(J2-3 and J2-4) and the appliance

Is there any dispersion?

Detach the connector from the

motor and measure between the

terminals and the motor casing.

Is there any dispersion?

Replace the motor and repeat the

diagnostic cycle to check for any

and J2-4,

Y
E
S

body.

-(see fig. 13)-

Y
E
S

-(see fig. 10)-

E
S

further alarms.

NO

Check that all the connectors ar e correctly inserted

!

Detach the connector from the

motor and measure (Ω) the

tachometric generator coil,

(Point 4, phase “A” page 43)

-(see fig. 11)-

Is the value correct?

Y
E
S

Check/replace the wiring and repeat the diagnostic

cycle to check for any further alarms.

Check the

positioning of the

NO

tachometric

generator.

Is it correct?

-(see fig. 12)-

E
S

Replace the motor control board and repeat the
diagnostic cycle to check for any further alarms.

NO

Check/replace the wiring and repeat the

diagnostic cycle to check for any further alarms.

Replace the

motor or

NO

tachometric

generator and

repeat the
diagnostic cycle
to check for any

further alarms.

Replace the

motor/generator

NO

and repeat the
diagnostic cycle
to check for any

further alarms.

If there are burns on the circuit board,

!

see page 77

E59

2012 TS/DT-mdm FCPD-dp 48/79 599 75 27-46 Rev.00

4

E59

Fig. 12

Fig. 11

Fig. 13

If there are burns on the circuit board,

!

see page 77

Guide to diagnostics of electronic controls EWM10931

J2

Fig. 1

Fig. 10

∞ 

Connector

Motor

MOTOR CONTROL

J6

J1

MOTOR

2012 TS/DT-mdm FCPD-dp 49/79 599 75 27-46 Rev.00

Guide to diagnostics of electronic controls EWM10931

y

.

15

NO N

E5A

E5A: Overheating on Inverter board heat dissipator

The dissipator exceeds a temperature of 88°C.

Checks to perform:

Have continuous wash cycles been

performed, or has the wash cycle been

performed with too heavy a laundry load?

Check whether the drum turns freely

Fig

Fig. 16

without posing any resistance

Is the drum having difficulty rotating?

Replace the motor control board and

repeat the diagnostic cycle to check for

any further alarms.

O

(see fig.15).

YES

YES

Check that all the connectors ar e correctly inserted

!

Leave pauses between one cycle and the

next or reduce the laundry load inside the

drum.

Check whether the friction is caused by the

motor (fig. 17) or by the tub bearings

(fig. 16). Replace the defective

component. Repeat the diagnostic cycle to

check for an

J2

further alarms.

J6

J1

Fig. 14

Fig. 17

If there are burns on the circuit board,

!

see page 77

E5A

2012 TS/DT-mdm FCPD-dp 50/79 599 75 27-46 Rev.00

Guide to diagnostics of electronic controls EWM10931

Y

E5C

E5C: The Inverter board input voltage is too high (beyond 430 V)

The voltage should stay above 430 V for at least 5 seconds.

Checks to perform:

Measure the mains voltage and make sure

it is within the nominal range.

Is the mains voltage correct?

E
S

Replace the motor control board and

repeat the diagnostic cycle to check for

any further alarms.

NO

Check that all the connectors ar e correctly inserted

!

Wait for the mains voltage to return to

nominal conditions and repeat the

diagnostic cycle to check for any further

alarms.

If there are burns on the circuit board,

!

see page 77

E5C

2012 TS/DT-mdm FCPD-dp 51/79 599 75 27-46 Rev.00

Guide to diagnostics of electronic controls EWM10931

Y

Y

E5d

E5d: Data transfer error between Inverter board and main circuit board

The lack of communication must last at least 2 sec.

Checks to perform:

Are connectors J16 (main circuit board)

and J6 (motor control board) properly

Measure the continuity between

connector J16-1, J16-4 (main circuit

board) and connector J6-2, J6-5 (motor

Replace the motor control board and

repeat the diagnostic cycle to check for

Is the appliance working?

inserted?

E
S

control board).

Is the wiring ok?

E
S

any further alarms.

0 

0 

NO

NO

NO

Check that all the connectors ar e correctly inserted

!

Repair the connectors and repeat the

diagnostic cycle to check for any further

alarms.

Replace the wiring and repeat the

diagnostic cycle to check for any further

alarms.

Replace the main circuit board and repeat

the diagnostic cycle to check for any

further alarms.

MAIN CIRCUIT

MAIN CIRCUIT

BOARD

BOARD

E5d

Connector

Connector

Motor

Motor

2012 TS/DT-mdm FCPD-dp 52/79 599 75 27-46 Rev.00

MOTOR CONTROL

MOTOR CONTROL

MOTOR

MOTOR

If there are burns on the circuit board,

!

see page 77

Guide to diagnostics of electronic controls EWM10931

E5E: Communication error between Inverter board and main

E5E

Checks to perform:

Replace the motor control board and repeat the diagnostic cycle to check for any further alarms.

circuit board

Communication protocol between the two boards not aligned.

Check that all the connectors ar e correctly inserted

!

E5E

E5F E5F: Inverter board fails to start the motor E5F

Checks to perform:

Replace the motor control board and repeat the diagnostic cycle to check for any further alarms.

Check that all the connectors ar e correctly inserted

!

If there are burns on the circuit board,

!

2012 TS/DT-mdm FCPD-dp 53/79 599 75 27-46 Rev.00

see page 77

Guide to diagnostics of electronic controls EWM10931

Y

Y

0

E5H

E5H: The Inverter board input voltage is too low (less than 175 V)

The voltage should stay below 175 V for at least 5 seconds.

Checks to perform:

Are connectors J9 (main circuit board) and

J1 (motor control board) properly

Measure the continuity between

connectors J9-1, J9-2 (main circuit board)

and J1-1, J1-2 (motor control board).

Replace the motor control board and

repeat the diagnostic cycle to check for

Is the appliance working?

inserted?

E
S

Is the wiring ok?

E
S

any further alarms.

Connector

Motor

NO

NO

NO

Check that all the connectors ar e correctly inserted

!

Repair the connectors and repeat the

diagnostic cycle to check for any further

alarms.

Replace the wiring and repeat the

diagnostic cycle to check for any further

alarms.

Replace the main circuit board and repeat

the diagnostic cycle to check for any

further alarms.

MAIN CIRCUIT

BOARD



MOTOR CONTROL

MOTOR

E5H

If there are burns on the circuit board,

!

2012 TS/DT-mdm FCPD-dp 54/79 599 75 27-46 Rev.00

see page 77

Guide to diagnostics of electronic controls EWM10931

p

Y

Y

Y

Y

∞



(

C

)

∞ 

(

C

)

E62

The temperature of the NTC probe exceeds 88°C for more than 5 mins.

Checks to perform:

Run the diagnostic cycle

and fill with water up to the

door level to make sure the

Fig. 6

heating element is

completely submerged.

Measure between the wiring

connector J3-1/J3-2 and the

appliance body.

(see fig. 6)

Is the circuit o

en?

E
S

Measure the NTC probe

between terminals J10-4 and

J10-5 of the main circuit board

connector.

Is the value correct?

(between 5.7 and 6.3 KΩ at 20°C)

E
S

Replace the circuit board

and repeat the diagnostic

cycle to check for any

further alarms.

E62: Overheating during washing

Check that all the connectors ar e correctly inserted

!

Detach the connector and

measure between the heating

NO

element and the earth contact.

-(see fig. 19)-

Is the circuit open?

E
S

Check/replace the wiring and repeat the diagnostic cycle to check

for any further alarms.

Detach the connector and

measure the value directly on the

NO

NTC probe.

-(see fig. 18)-

Is the value correct?

(between 5.7 and 6.3 KΩ at 20°C)

E
S

Check/replace the wiring and repeat the diagnostic cycle to check

for any further alarms.

Washing heating element

∞

5.7 ÷ 6.3 KΩ

20°

NO

NO

E62

Replace the heating

element and repeat the

diagnostic cycle to check

for any further alarms.

Replace the heating

element and repeat the

diagnostic cycle to check

for any further alarms.

MAIN CIRCUIT

BOARD

5.7 ÷ 6.3 KΩ

20°

If there are burns on the circuit board,

!

Fig. 18

2012 TS/DT-mdm FCPD-dp 55/79 599 75 27-46 Rev.00

Fig. 19

see page 77

Guide to diagnostics of electronic controls EWM10931

Y

Y

9

∞







E66 E66: Heating element power supply relay faulty E66

Checks to perform:

Measure between the connector J3-1/J3-2 of

the main circuit board and the appliance body.

Detach the connectors and measure between

diagnostic cycle to check for any further alarms.

Fig. 4

-fig. 6- Is there any dispersion?

E
S

the heating element and the earth contact.

-fig. 19- Is the circuit open?

E
S

Check/replace the wiring and repeat the

J16 J13

J15

J11 J4 J8

J10

J12

J9

J1

Washing heating element

∞

J7

J6

J5

Check that all the connectors ar e correctly inserted

!

Replace the circuit board and repeat the

NO

diagnostic cycle to check for any further

alarms.

Replace the heating element and repeat

NO

the diagnostic cycle to check for any

further alarms.

Fig. 6

J3

Fig. 1

∞

MAIN CIRCUIT

BOARD

If there are burns on the circuit board,

!

2012 TS/DT-mdm FCPD-dp 56/79 599 75 27-46 Rev.00

see page 77

Guide to diagnostics of electronic controls EWM10931

Y

Y

4

∞

∞ 



E68

Checks to perform:

Run the diagnostic cycle

and fill with water up to the

door level to make sure the

heating element is

completely submerged.
Measure between the wiring
connector J3-1/J3-2 and the

appliance body.

-(see fig. 6)-

Is the circuit open?

E
S

Replace the main circuit

board and repeat the

diagnostic cycle to check for

any further alarms.

Fig. 6

Fig. 19

E68: Washing heating element leakage

Check that all the connectors ar e correctly inserted

!

Detach the connectors

and measure between

NO

the heating element

and the earth contact.

-(see fig. 19)-

Is the circuit open?

Check/replace the wiring and repeat the diagnostic cycle to

Fig.

Washing heating element

E
S

J16 J13

check for any further alarms.

J15

NO

J11 J4 J8

J10

J12

J1

E68

Run phase 9 of the

diagnostic cycle, drain water

from the tub. Replace the

heating element and repeat

the diagnostic cycle to

check for any further alarms.

J7

J9

J6

J5

J3

∞

MAIN CIRCUIT

BOARD

If there are burns on the circuit board,

!

2012 TS/DT-mdm FCPD-dp 57/79 599 75 27-46 Rev.00

see page 77

Guide to diagnostics of electronic controls EWM10931

y

Y

Y

J16

J

4

E69

E69: Washing heating element damaged

E69

Checks to perform:

Measure the resistance

value of the heating element

(Ω) between terminals

J3-1 ÷ J3-2 of the wiring

(28÷31  for 230 V/1,750 W)

connector.

-(see fig. 4)-

Is the value correct?

E
S

NO

Measure the resistance

value directly on the

terminals of the heating

element.

(detach the connectors)

(see fig 20)

Is the value correct?

(28÷31  for 230 V/1,750 W)

E
S

Check that all the connectors ar e correctly inserted

!

Replace the heating

NO

element and repeat the

diagnostic cycle to check

for any further alarms.

Replace the circuit board

and repeat the diagnostic

cycle to check for any

further alarms.

Check/replace the wiring and repeat the diagnostic cycle to check

for an

further alarms.

J1

J1

J1 J4 J8

J10

J7

J6

J1

J5

J9

J3

1

Fig. 20

Fig.

28÷31  230 V 1,750 W

Washing heating element

28÷31  230 V 1,750 W

MAIN CIRCUIT

BOARD

2012 TS/DT-mdm FCPD-dp 58/79 599 75 27-46 Rev.00

If there are burns on the circuit board,

!

see page 77

Guide to diagnostics of electronic controls EWM10931

Y

Y

∞

∞ 



E6A

Checks to perform:

E6H

Checks to perform:

Run the diagnostic cycle

and fill with water up to the

door level to make sure the

completely submerged.
Measure between the wiring
connector J3-1/J3-2 and the

Replace the circuit board and repeat the diagnostic cycle to check for any further alarms.

E6H: Heating element power relay faulty (incongruence between

heating element is

appliance body.

-(see fig. 6)-

Is the circuit open?

E
S

E6A: Heating relay sensing faulty

Check that all the connectors ar e correctly inserted

!

If there are burns on the circuit board,

!

sensing and relay status)

Check that all the connectors ar e correctly inserted

!

Detach the connectors

and measure between

NO

the heating element

and the earth contact.

-(see fig. 19)-

Is the circuit open?

E
S

Check/replace the wiring and repeat the diagnostic cycle to

NO

check for any further alarms.

E6A

see page 77

E6H

Run phase 9 of the diagnostic

cycle, drain water from the tub.

Replace the heating element
and repeat the diagnostic cycle
to check for any further alarms.

Replace the main circuit

board and repeat the

diagnostic cycle to check for

any further alarms.

Fig. 6

Fig. 19

Washing heating element

∞

MAIN CIRCUIT

BOARD

If there are burns on the circuit board,

!

2012 TS/DT-mdm FCPD-dp 59/79 599 75 27-46 Rev.00

see page 77

Guide to diagnostics of electronic controls EWM10931

y

Y

Y

Y

Y

8

(

)





E71

E71: Washing NTC probe faulty

Voltage value out of range (short-circuit or open circuit).

Checks to perform:

Run phase 7 of the diagnostic cycle

and wait for the water to fill. Switch

the appliance off and measure the

value of the NTC probe between

contacts J10-4 and J10-5 of the

wiring connector -see fig. 4-.

(between 5.7 and 6.3 KΩ at 20°C)

Measure between terminals J10-4,

J10-5 of the NTC connector and the

directly between the terminals of the NTC

!

There must be water in the tub.

Has the dispersion been measured?

Run phase 9 of the diagnostic cycle,

drain water from the tub. Replace the

washing heating element and repeat
the diagnostic cycle to check for any

Is the value correct?

E
S

appliance body -(see fig. 6)-

Is there an

dispersion?

E
S

Detach the connector and measure

probe and the appliance body.

E
S

further alarms.

Heating element

∞

(20°C)

5.7÷6.3 K

NO

NO

NO

E71

Check that all the connectors ar e correctly inserted

!

Run phase 9 of the

Detach the connector

and measure directly

on the NTC probe.

NO

-(see fig. 18)-

Is the value correct?

(5.7÷6.3 KΩ at 20°C)

E
S

Check/replace the wiring and repeat the diagnostic

cycle to check for any further alarms.

Replace the circuit board and repeat the diagnostic cycle

to check for any further alarms.

Check/replace the wiring and repeat the diagnostic cycle

to check for any further alarms.

Fig. 6

diagnostic cycle,

drain water from the

tub. Replace the
washing heating

element and repeat

the diagnostic cycle

to check for any

further alarms.

BOARD

∞

Temperature probe

2012 TS/DT-mdm FCPD-dp 60/79 599 75 27-46 Rev.00

5.7÷6.3 K

20°C

MAIN CIRUCIUT

Fig. 1

If there are burns on the circuit board,

!

see page 77

Guide to diagnostics of electronic controls EWM10931

y

Y

Y

Y

1

(

)





E74 E74: NTC probe improperly positioned E74

Checks to perform:

Is the probe visibly positioned correctly in

Measure the value of the NTC probe

(5.7÷6.3 KΩ at 20°C) between contacts J10-

4 and J10-5 of the wiring connector (fig. 4).

(between 5.7 and 6.3 KΩ at 20°C)

Run phase 7 of the diagnostic cycle and

wait for the water to fill. Wait in this phase

for five minutes. Switch the appliance off
and measure the value of the NTC probe
between contacts J10-4 and J10-5 of the

wiring connector (fig. 4).

Is the value below 5 KΩ?

Replace the circuit board and repeat the

diagnostic cycle to check for any further

Heating element

(20°C)

5.7÷6.3 K

Temperature probe

its seat?

-see fig. 21-

E
S

Is the value correct?

E
S

E
S

alarms.

∞

∞

NO

NO

NO

Fig. 4

5.7÷6.3 K

20°C

Check that all the connectors ar e correctly inserted

!

Reposition the probe in its seat and

repeat the diagnostic cycle to check for

any further alarms.

Replace the washing heating element

and repeat the diagnostic cycle to check

for an

further alarms.

Run phase 9 of the diagnostic cycle,

drain water from the tub.

!!CAUTION: THE WATER

COULD BE SCALDING

!

HOT!!

Replace the washing heating element

and repeat the diagnostic cycle to check

for any further alarms.

J16 J1 J1

BOARD

MEIN CIRUCIUT

J1 J4 J8

J10

J1

J1

J7

J9

Fig. 2

If there are burns on the circuit board,

!

see page 77

J6

J5

J3

!

2012 TS/DT-mdm FCPD-dp 61/79 599 75 27-46 Rev.00

Guide to diagnostics of electronic controls EWM10931

Y

Y

E83

Selector position code not envisaged by the configuration data or configuration error

E83: Error reading the programme selector code

Checks to perform:

Turn the appliance on, turn

the programme selector to

every setting: wait at least

10 seconds on each of the

settings before moving on to

the next one. Is alarm E83

Check for any friction between

the control panel and the knob.

Is it difficult to turn the knob?

Repair the coupling between

the control panel/selector knob.

Repeat the diagnostic cycle to

check for any further alarms.

shown again?

E
S

E
S

NO

NO

Check that all the connectors ar e correctly inserted

!

Repeat the diagnostic cycle

to check for any further

alarms.

Replace the display board

and repeat the diagnostic

cycle to check for any

further alarms.

!

E83

If there are burns on the circuit board,

see page 77

E86 E86: Programme selector configuration error E86

Checks to perform:

Replace the display board and run the diagnostic cycle to check for any further alarms.

Check that all the connectors ar e correctly inserted

!

If there are burns on the circuit board,

!

see page 77

E87 E87: Display board microprocessor faulty E87

Checks to perform:

Replace the display board and run the diagnostic cycle to check for any further alarms.

Check that all the connectors ar e correctly inserted

!

If there are burns on the circuit board,

!

see page 77

2012 TS/DT-mdm FCPD-dp 62/79 599 75 27-46 Rev.00

Guide to diagnostics of electronic controls EWM10931

0

S

N

Y

y

Y

E91

E91: Communication error between the display board and the

main circuit board (1st part)

Checks to perform:

J16 and J15 of the main board that respectively

connect the motor control board and the weight

Check the wiring between the main circuit board and

 Connect and disconnect the connector on both

boards several times.

 Measure the continuity between connector J16

(main circuit board) and J6 (motor control board).

Replace the Inverter board and repeat the diagnostic

If there are burns on the circuit board,

!

Disconnect the connectors:

sensor board (if there is one)

Does the E91 alarm appear again?

O

Connect the wiring

J16 main board

Does the E91 alarm appear again?

E
S

the Inverter board.

Is the wiring ok?

E
S

c

cle to check for any further alarms.

Connector

Motor

see page 77



Check that all the connectors ar e correctly inserted

!

YE

See page 65

NO

See page 64

Replace / repair the wiring

NO

and repeat the diagnostic

cycle to check for any further

alarms.

MAIN CIRCUIT

BOARD

MOTOR CONTROL

MOTOR

E91

2012 TS/DT-mdm FCPD-dp 63/79 599 75 27-46 Rev.00

Guide to diagnostics of electronic controls EWM10931

Y

g

E91

E91: Communication error between the display board and the

Checks to perform:

Follow from pag. 63

Connect the J15 main circuit board

wiring

Check the wiring between the main circuit

board and the weight sensor board.

 Connect and disconnect the connector

on both boards several times.

 Measure the continuity between connector

J15 (main circuit board) and the weight
sensor board.

Replace the weight sensor board and repeat the

dia

nostic cycle to check for any further alarms.

main circuit board (2nd part)

Is the wiring ok?

E
S

Check that all the connectors ar e correctly inserted

!

Replace / repair the wiring

NO

and repeat the diagnostic

cycle to check for any further

alarms.

If there are burns on the circuit board,

!

see page 77

E91

2012 TS/DT-mdm FCPD-dp 64/79 599 75 27-46 Rev.00

Guide to diagnostics of electronic controls EWM10931

Y

Y

E91: Communication error between the display board and the

E91

Inconsistency between configuration values on starting the appliance.

Checks to perform:

Follow from pag. 63

Check the wiring between the main circuit

board and the display board:

 Detach and reconnect the connectors

on both boards several times.

 Measure the continuity between

connector J4 (main circuit board)
and J3 (display board).

Is the wiring ok?

E
S

Replace the main circuit board and repeat

the diagnostic cycle to check for any

further alarms.

Is the appliance still displaying E91?

E
S

Replace the display board and repeat the

diagnostic cycle to check for any further

alarms.

main circuit board (3rd part)

Check that all the connectors ar e correctly inserted

!

Replace/repair the wiring and repeat the

NO

NO

diagnostic cycle to check for any further

Appliance ok.

If there are burns on the circuit board,

!

E91

alarms.

see page 77

DISPLAY

MAIN CIRCUIT

BOARD

0 

2012 TS/DT-mdm FCPD-dp 65/79 599 75 27-46 Rev.00

Guide to diagnostics of electronic controls EWM10931

E92

Inconsistency between configuration values on starting the appliance.

Checks to perform:

Replace the circuit board and repeat the diagnostic cycle to check for any further alarms.

E93

Inconsistency between configuration values on starting the appliance.

Checks to perform:

E94

Replace the circuit board and repeat the diagnostic cycle to check for any further alarms.

E94: Incorrect configuration of washing cycle

Inconsistency between configuration values on starting the appliance.

Checks to perform:

Incorrect conf igur ation possible.

Replace the circuit board and repeat the diagnostic cycle to check for any further alarms.

E97: Inconsistency between control selector version and

E97

Discrepancy between programme configuration data and selector recognition data.

Checks to perform:

E98

Checks to perform:

Replace the circuit board and repeat the diagnostic cycle to check for any further alarms.

E98: Communication error between main PCB and Inverter board

Incompatibility between the main circuit board and the Inverter board

Replace the main circuit board / Inverter board and repeat the diagnostic cycle to check for any

E92: protocol incongruence

Check that all the connectors ar e correctly inserted

!

Incorrect conf igur ation possible.

E93: Appliance configuration error

Check that all the connectors ar e correctly inserted

!

Incorrect conf igur ation possible.

Check that all the connectors ar e correctly inserted

!

configuration data

Check that all the connectors ar e correctly inserted

!

Incorrect conf igur ation possible.

Check that all the connectors ar e correctly inserted

!

Incorrect conf igur ation possible.

further alarms.

If there are burns on the circuit board,

!

E92

E93

E94

E97

E98

see page 77

2012 TS/DT-mdm FCPD-dp 66/79 599 75 27-46 Rev.00

Guide to diagnostics of electronic controls EWM10931

E9C

Checks to perform:

Replace the circuit board and repeat the diagnostic cycle to check for any further alarms.

E9E

Checks to perform:

Replace the display board and repeat the diagnostic cycle to check for any further alarms.

E9C: Display board configuration error

Check that all the connectors ar e correctly inserted

!

Incorrect conf igur ation possible.

E9E: Display board sensor/touch key faulty

Check that all the connectors ar e correctly inserted

!

Display board faulty

E9C

E9E

If there are burns on the circuit board,

!

2012 TS/DT-mdm FCPD-dp 67/79 599 75 27-46 Rev.00

see page 77

Y

Y

1

EC1

The flowmeter has to fill water even with the solenoid valve not piloted.

Checks to perform:

Repeat the diagnostic
cycle to check for any

Does the

appliance fill with

water when the

appliance is turned

off?

Y
E
S

Open the drawer to

check which solenoid

valve is leaking and

replace it.

further alarms.

Fig. 6

Guide to diagnostics of electronic controls EWM10931

EC1: Water fill solenoid valves blocked

Check that all the connectors ar e correctly inserted

!

NO

Does the solenoid
valve start filling with
water as soon as the

appliance is turned on?

E
S

NO

Replace the main circuit board

and repeat the diagnostic cycle to

check for any further alarms.

Open the drawer to check which

solenoid valve is leaking and measure

between the wiring connector of the

respective solenoid valve

and the appliance body to see if there

is any dispersion (fig. 6 and table 1).

NO

Replace the main circuit

board and repeat the

diagnostic cycle to check for

any further alarms.

Is there any dispersion?

E
S

Replace the wiring and repeat the diagnostic cycle to check for any further

alarms.

Tab.

Between J7-1 and J7-3 wash solenoid valve
Between J7-4 and J7-6 pre-wash solenoid valve
Between J8-1 and J8-3 third solenoid valve
Between J8-4 and J8-6 hot water solenoid valve

∞ 

EC1

WASHING

PRE-

WASHING

3rd

SOLENOID

VALVE

HOT

WATER

2012 TS/DT-mdm FCPD-dp 68/79 599 75 27-46 Rev.00

MAIN CIRCUIT

BOARD

If there are burns on the circuit board,

!

see page 77

Guide to diagnostics of electronic controls EWM10931

Y

Y

4

EC2 EC2: Problem with weight sensor EC2

Checks to perform:

Turn the appliance off and back on

again, enter the diagnostic cycle.

Does the EC2 alarm appear again?

E
S

Measure the continuity between

connector J15 (main circuit

board fig. 4) and the weight

sensor connector. Is the wiring

ok?

E
S

Replace the shock absorber and

repeat the diagnostic cycle to

check for any further alarms.

0 Ω

NO

NO

Replace the wiring and repeat

the diagnostic cycle to check for

J16 J1

Fig.

Check that all the connectors ar e correctly inserted

!

Appliance ok.

any further alarms.

J1

J10J1

J1

J4 J8

J1

J9

J7

J6

J5

MAIN CIRCUIT

BOARD

If there are burns on the circuit board,

!

see page 77

J3

2012 TS/DT-mdm FCPD-dp 69/79 599 75 27-46 Rev.00

Guide to diagnostics of electronic controls EWM10931

Y

Y

J10

J

4

EC3

Checks to perform:

Turn the appliance off and back on

again, enter the diagnostic cycle.

Does the EC3 alarm appear

Measure the continuity between

connector J15 (main circuit

board fig. 4) and the weight

sensor connector. Is the wiring

Replace the shock absorber and

repeat the diagnostic cycle to

check for any further alarms.

again?

E
S

ok?

E
S

EC3: Problem with weight sensor

No signal or outside the limits

Check that all the connectors ar e correctly inserted

!

NO

Appliance ok.

Replace the wiring and repeat

NO

the diagnostic cycle to check for

any further alarms.

J16 J1 J1

J1

1

J4 J8

J1

Fig.

0 Ω

MAIN CIRCUIT

BOARD

If there are burns on the circuit board,

!

J7 J6

J9

see page 77

EC3

J5

J3

2012 TS/DT-mdm FCPD-dp 70/79 599 75 27-46 Rev.00

Guide to diagnostics of electronic controls EWM10931

EF1 EF1: Drain hose blocked/kinked/too high; drain filter clogged/dirty EF1

Checks to perform:

This warning only appears at the end of the cycle. The appliance detected long drainage phases during

the cycle. (E.g.: More than 20 seconds when draining after rinses). Check/clean the drain filter.

EF2

EF2: Excessive detergent dosing; drain hose kinked/blocked;

drain filter dirty/clogged

Checks to perform:

This is an excessive detergent dosing warning. The system detected too much foam was forming during

the drain phases. Advise the Customer to use the correct quantity of detergent and to make sure the

filter and drain circuit are clean.

Check that all the connectors ar e correctly inserted

!

Check that all the connectors ar e correctly inserted

!

EF2

EF3

Checks to perform:

This warns about the presence of water at the bottom of the appliance. Check for any water leaks and

Or caused by excessive overheating of the drain pump. Check for any items which may obstruct the

EF3: Aqua Control device triggered

Check that all the connectors ar e correctly inserted

!

that the Aqua Control device float is positioned correctly.

normal operation of the rotor.

EF3

EF4 EF4: Water fill pressure too low and solenoid valve open EF4

Checks to perform:

It is a warning that the water pressure is too low. If the water pressure is connect, check:

EF5

the wiring of the flowmeter and the Flowmeter.

EF5: Unbalanced load, spin phases skipped.

Check that all the connectors ar e correctly inserted

!

EF5

Checks to perform:

This is an unbalanced load warning. The appliance detected an extremely unbalanced load during the

spin phases. Advise the customer to load more washing into the drum and not just individual garments.

2012 TS/DT-mdm FCPD-dp 71/79 599 75 27-46 Rev.00

Check that all the connectors ar e correctly inserted

!

If there are burns on the circuit board,

!

see page 77

Guide to diagnostics of electronic controls EWM10931

Y

Y

EF6

EF6: Reset appliance.

Checks to perform:

EH1

No action to be performed, if continues, replace the main circuit board

EH1: Mains frequency incorrect

Power supply frequency out of configured range.

Checks to perform:

EH2

!

The appliance remains in alarm status until the mains frequency returns to the correct

values or the appliance is switched off (programme selector set to “0”). Only the family of

the alarm is displayed and the diagnostics mode cannot be accessed. The complete

alarm can only be read when the situation has normalised.

Is the supply line disturbed or the mains

frequency out of range?

E
S

Have the electrical system of the home
checked / repaired by the proper Body.

EH2: Supply voltage too high

Supply voltage value higher than the one configured (for more than 10 seconds).

Checks to perform:

!

Is the supply line disturbed or the mains voltage

The appliance remains in alarm status until the mains frequency returns to the correct

values or the appliance is switched off (programme selector set to “0”). Only the family of

the alarm is displayed and the diagnostics mode cannot be accessed. The complete

alarm can only be read when the situation has normalised.

out of range?

E
S

Have the electrical system of the home
checked / repaired by the proper Body.

!

!

Important!

NO

!

Important!

NO

EF6

Check that all the connectors ar e correctly inserted

EH1

Check that all the connectors ar e correctly inserted

!

Replace the main circuit board and repeat the

diagnostic cycle to check for any further

alarms.

If there are burns on the circuit board,

!

see page 77

EH2

Check that all the connectors ar e correctly inserted

!

Replace the main circuit board and repeat the

diagnostic cycle to check for any further

alarms.

If there are burns on the circuit board,

!

see page 77

2012 TS/DT-mdm FCPD-dp 72/79 599 75 27-46 Rev.00

Guide to diagnostics of electronic controls EWM10931

Y

EH3

Supply voltage value higher than the one configured.

EH3: Supply voltage too low

Checks to perform:

!

Is the supply line disturbed or the mains voltage

The appliance remains in alarm status until the mains frequency returns to the correct

values or the appliance is switched off (programme selector set to “0”). Only the family of

the alarm is displayed and the diagnostics mode cannot be accessed. The complete

alarm can only be read when the situation has normalised.

out of range?

E
S

Have the electrical system of the home
checked / repaired by the proper Body.

!

Important!

NO

EH3

Check that all the connectors ar e correctly inserted

!

Replace the main circuit board and repeat the

diagnostic cycle to check for any further

alarms.

If there are burns on the circuit board,

!

see page 77

EH4 EH4: “zero watt” relay not functioning EH4

Checks to perform:

Replace the main circuit board and repeat the diagnostic cycle to check for any further alarms.

EHE

EHE: Inconsistency between safety relay (main circuit board) and

Checks to perform:

Replace the main circuit board and repeat the diagnostic cycle to check for any further alarms.

EHF

Checks to perform:

Replace the main circuit board and repeat the diagnostic cycle to check for any further alarms.

safety sensing circuit

EHF: Safety sensing circuit faulty

Input voltage microprocessor wrong.

Check that all the connectors ar e correctly inserted

!

If there are burns on the circuit board,

!

Check that all the connectors ar e correctly inserted

!

If there are burns on the circuit board,

!

Check that all the connectors ar e correctly inserted

!

If there are burns on the circuit board,

!

see page 77

see page 77

see page 77

EHE

EHF

2012 TS/DT-mdm FCPD-dp 73/79 599 75 27-46 Rev.00

Guide to diagnostics of electronic controls EWM10931

8 WM OPERATING CIRCUIT DIAGRAM

2012 TS/DT-mdm FCPD-dp 74/79 599 75 27-46 Rev.00

8.1 Key to circuit diagram WM

Appliance electrical components PCB components

1. Main circuit board

2. Door safety interlock (with light micro-switch)
2a Door safety interlock (without light micro-switch)

3. Electronic pressure switch

4. NTC (washing)

5. Flow sensor

6. Weight sensor

7. Pre-wash solenoid valve

8. Wash solenoid valve

9. Bleach solenoid valve

10. Hot water solenoid valve

11. Heating element

12. Display board

13. Motor control board (Inverter)

14. Triple-phase motor

15. Tachometric generator (motor)

16. Circulation pump

17. Aqua control sensor

18. Drain pump

19. Drum light

Guide to diagnostics of electronic controls EWM10931

DRAIN_YTY Drain pump Triac
DOOR_TY Door interlock Triac
DOOR_CLOSE_TY Door interlock Triac
REC PUMP_TY Circulation pump TRIAC switch
PWELT_TY Pre-wash solenoid Triac
WELV_TY Wash solenoid Triac
BELT_TY Electronically controlled TRIAC bleach valve
HELT_TY Hot water solenoid triac
K1 Heating element relay
K2 Heating element relay

2012 TS/DT-mdm FCPD-dp 75/79 599 75 27-46 Rev.00

8.2 Main circuit board connectors

Guide to diagnostics of electronic controls EWM10931

J15 J10

MACS communication

J15-1 Vee 12 V
J15-2 5 V
J15-3 Rx/Tx

GND

J15-4

J16

MACS communication

J15-1 Vee 12 V
J15-2 5 V
J15-3 Rx/Tx

GND

J15-4

J4

J4-1 Vee 12 V
J4-2 5 V
J4-3 Rx/Tx
J4-4 GND
J4-5 ON/OFF 2
J4-6 ON/OFF 1

J8 J5

J8-1 Bleach solenoid valve (Triac)
J8-3 Bleach solenoid valve (Line)
J8-4 Hot water solenoid valve (Line)
J8-6 Hot water solenoid valve (Triac)

J2

J2 Ground

J10-1 Analogue pressure switch (+5 V)
J10-2 Analogue pressure switch (GND)
J10-3 Analogue pressure switch (signal)
J10-4 NTC temperature probe (signal)
J10-5 NTC temperature probe (+5 V)
J10-6 Flowmeter (signal)
J10-7 Flowmeter (GND)
J10-8 Flowmeter (+5V)

J7

J7-1 Wash solenoid valve (Triac)
J7-3 Wash solenoid valve (Line)
J7-4Pre-wash solenoid valve (Line)
J7-6 Pre-wash solenoid valve (Triac)

J1

J1-1 line (neutral)
J1-2 line

J5-1 Door lock (Line)
J5-2 Door lock (Door line)
J5-3 Door lock (PTC Triac)
J5-4 Door lock (Triac)

J6 J14

J6-1 Aqua control device (Neutral)
J6-2 Aqua control device (Line)
J6-3 Drain pump (Triac)
J6-4 Drain pump (Line)
J6-5 Circulation pump (Line)
J6-6 Circulation pump (Triac)

Serial interface:

J9-1 ASY_IN
J9-2 ASY_OUT
J9-3 +5 V
J9-4 GND

J3 J13

J3-1 heating element (Neutral Relay)
J3-2 heating element (Line Relay)

J13-1 Drum light +5 V
J13-3 Drum light control

J9 J12

J9-1 FCV power supply (Neutral)
J9-1 FCV power supply (Relay)

2012 TS/DT-mdm FCPD-dp 76/79 599 75 27-46 Rev.00

J11-1 Drum position DSP (+5 V)
J11-2 Drum position DSP (GND)
J11-1 Drum position DSP (signal)

Guide to diagnostics of electronic controls EWM10931

8.3 Burns on the main circuit board EWM10931

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.

The type of board illust r ated is the one with the largest number of com ponents; other boards do not featur e some of these com ponents.

1. Anti-disturbance filter area

2. Power supply area

3. Satellite board communication area

4. Drum light circuit area

5. Analogue level sensor, wash NTC temperature probe, flowmeter and
weight sensor area

6. Drum positioning sensor area (Top loading)

7. Zero watt circuit area

8. Water fill solenoid valves area (bleach and 3rd)

9. Water fill solenoid valves area (wash and pre-wash)

10. Drain pump and circulation pump area

11. Door lock area

12. Heating element area

13. FCV relay area (motor)

2012 TS/DT-mdm FCPD-dp 77/79 599 75 27-46 Rev.00

Remarks

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2012 TS/DT-mdm FCPD-dp 78/79 599 75 27-46 Rev.00

REVISION:

Revision Date Description Author Approved by

00 04/2012 Document Creation DMM XX – 0X/201X