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Guide to diagnostics of EWX11831 electronic controls

2013 TS/DT-mdm FCPD-dp

68/71

599 77 00-82 Rev. 01

7.2 Main circuit board connectors

J15

J1-1

line (neutral)

J1-2

line

J15-1

Aqua control device (Neutral)

J15-2

Aqua

control device (Line)

J15-3

Drain pump (Triac)

J15-4

Drain pump (Line)

J15-5

J15-6

J16

J3-1

Analogue pressure switch (+5V)

J3-2

Analogue pressure switch (GND)

J3-3

Analogue pressure switch (signal)

J3-4

NTC temperature probe (signal)

J3-5

NTC temperature probe (+5V)

J3-6

Flowmeter (signal)

J3-7

Flowmeter (GND)

J3-8

Flowmeter (+5V)

MACS communication

J16-1

Vee 12V

J16-2

J16-3

Rx/Tx

J16-4

GND

J17

Ground

MACS communication

J17-1

Vee 12V

J17-2

J17-3

Rx/Tx

J17-4

GND

J6-1

heating element (Neutral Relay)

J6-2

heating element (Line Relay)

J13

J18

J13-2

Door lock (Line)

J13-3

Door lock (Line)

J13-1

Door lock (PTC Triac)

J18-1

Wash solenoid valve (Triac)

J18-3

Wash solenoid valve (Line)

J18-4

Pre-wash solenoid valve (Line)

J18-6

Pre-wash solenoid valve (Triac)

J14

J19

Serial interface:

J14-1

ASY_IN

J14-2

ASY_OUT

J14-3

+5V

J14-4

GND

J19-1

Vee 12V

J19-2

J19-3

Rx/Tx

J19-4

GND

J19-5

ON/OFF 2

J19-6

ON/OFF 1

J12

J20

J12-1

FCV power supply (Neutral)

J12-1

FCV power supply (Relay)

J20-1

Bleach solenoid valve (Triac)

J20-3

Wash solenoid valve (Line)

J20-4

Hot water solenoid valve (Triac)

J20-6

Hot water solenoid valve (Line)

Содержание Inspiration EWX11831 TC3

Страница 1: ...guide to diagnostics of electronic controls EWX11831 THE INSPIRATION RANGE TC4 TC3 G60 ELECTROLUX HOME PRODUCTS Customer Care EMEA Training and Operations Support Technical Support Publication number 599 77 00 82 Edition 10 2013 Rev 01 EN ...

Страница 2: ...Guide to diagnostics of EWX11831 electronic controls 2013 TS DT mdm FCPD dp 2 71 599 77 00 82 Rev 01 ...

Страница 3: ...awing more than 4A current 40 E59 No rotation of the motor 42 E5A Overheating on Inverter board heat dissipator 44 E5C The Inverter board input voltage is too high beyond 430V 46 E5d Data transfer error between Inverter board and main circuit board 47 E5E Communication error between Inverter board and main circuit board 48 E5H The Inverter board input voltage is too low less than 175V 49 E62 Overh...

Страница 4: ...d 63 EF6 Reset appliance 64 EH1 Mains frequency incorrect 64 EH2 Supply voltage too high 64 EH3 Supply voltage too low 65 EH4 zero watt relay not functioning 65 EHE Inconsistency between safety relay main circuit board and safety sensing circuit 65 EHF Safety sensing circuit faulty 65 7 WM OPERATING CIRCUIT DIAGRAM 66 7 1 Key to circuit diagram WM 67 7 2 Main circuit board connectors 68 7 3 Burns ...

Страница 5: ...oid 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 direc...

Страница 6: ... the alarm codes page 14 18 3 Delete the alarms stored page 13 4 If you are unable to access the diagnostic mode consult the chapter entitled The diagnostics system cannot be accessed page 19 5 Should the main electronic circuit board need to be replaced make sure there are no burns see page 69 6 After all interventions check the appliance is operating correctly using the diagnostic cycle page 9 7...

Страница 7: ...turned off when restarting disconnect the plug from the socket and wait at least 40 minutes before starting up the appliance any operation will only create further delay In the Service Notes the main circuit board 587 is identified with two spare parts codes Code 973 914 identifies the pre programmed board Code 132 identifies the unprogrammed board The circuit board can be programmed updated using...

Страница 8: ...e various components is diagnosed and the alarms are read see diagnostic test on the next page 1 Set the selector dial to position 0 zero 2 Rotate the programme selector by one position clockwise 3 Simultaneously press the START PAUSE button and the nearest option sensor as shown in the diagram 4 Keep your fingers above the sensors until the LEDs and display symbols start flashing In the first pos...

Страница 9: ...LCD display 1 TC 3 The LEDs light up in sequence the symbols on the LCD display light up in in groups and the backlighting comes on Touch a sensor to turn on the group of icons in the LCD screen or the corresponding LED and the buzzer sounds at the same time Always active User interface functioning TC 4 2 TC 3 Door safety interlock Wash solenoid Door closed Water level below anti flooding level Ma...

Страница 10: ...is displayed mm TC 4 7 TC 3 Door safety interlock Wash solenoid valve if the water in the tub is not enough to cover the heating element Heating element Door closed Water level above the heating element Maximum time 10 mins up to 90 C Heating Temperature in C measured using the NTC probe TC 4 8 TC 3 Door safety interlock Wash solenoid valve if the water in the tub is not enough to cover the heatin...

Страница 11: ...urn on the group of icons in the LCD screen or the corresponding LED and the buzzer sounds at the same time Always active User interface functioning TC 4 In most cases this time is sufficient to check the heating However the time can be increased by repeating the phase without draining the water pass for a moment to a different phase of the diagnostic cycle and then back to the heating control pha...

Страница 12: ...Excessive detergent EH0 Voltage or frequency outside the normal values While the alarm listed below TC4 TC3 EF0 Water leakage Aqua Control System For its solution the intervention 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 with the configuration and the power...

Страница 13: ...E 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 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 4 4 4 Dele...

Страница 14: ...ressure switch Main PCB Cycle stops with door locked RESET 28 E32 Calibration error of the electronic pressure switch Drain tube kinked clogged improperly positioned Faulty solenoid Drain filter clogged dirty Drain pump faulty Leaks in the pressure switch hydraulic circuit Pressure switch faulty Wiring main PCB Cycle paused START RESET 29 E35 Overflow Water fill solenoid valve faulty Leaks from wa...

Страница 15: ...n PCB faulty Cycle stops with door open after 5 attempts ON OFF RESET 48 E5H Input voltage is lower than 175V Wiring faulty Inverter PCB faulty Cycle stops with door locked after 5 attempts ON OFF RESET 49 E62 Overheating during washing temperature higher than 88 C for more than 5 min Wiring faulty NTC probe for wash cycle faulty Heating element faulty Main PCB faulty Safety drain cycle Cycle stop...

Страница 16: ...lve blocked with operating flowmeter Wiring faulty Solenoid valve faulty blocked Main PCB faulty Cycle stops with door locked Drain pump continues to operate 5 min on then 5 min off etc RESET 62 EF1 Drain filter clogged drain phase too long Drain filter clogged dirty Drain hose blocked kinked too high Warning displayed at the end of cycle START RESET 63 EF2 Overdosing of detergent too much foam du...

Страница 17: ...s action Reset Page EHE Inconsistency between FCV relay in the main board and safety sensing circuit Faulty cabling Main circuit board faulty Safety drain cycle Cycle stops with door open RESET 65 EHF Safety sensing circuit faulty wrong input voltage to microprocessor Main circuit board faulty Safety drain cycle Cycle stops with door open RESET 65 ...

Страница 18: ...d 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...

Страница 19: ...ce repair the power supply cable check the connection Is the communication wiring between the main board connector J19 and the display board connectors J2 and J4 working properly insert and remove Replace repair wiring Does the ON OFF button function mechanically Replace repair the button or replace the display board Change the main circuit board Is the appliance working correctly Replace display ...

Страница 20: ...ow and make sure the tubes are connected and not kinked Is one or are all the solenoid valves not working Replace the solenoid valve and repeat the diagnostic cycle to check for any further alarms Is the resistance measurement of the solenoid valve approximately 3 5 4 5K Measure it directly on the solenoid valve without wiring see fig 3 Replace repair the wiring and repeat the diagnostic cycle to ...

Страница 21: ... DT mdm FCPD dp 21 71 599 77 00 82 Rev 01 E11 Fig 2 Fig 1 J11 J19 J17 J16 J3 J7 J22 J20 J18 J15 J9 J13 J6 J1 Fig 4 J12 3rd SOLENOID VALVE DISPLAY CIRCUIT BOARD WASH PRE WASH HOT WATER 3 5 4 5KΩ 3 5 4 5KΩ If there are burns on the circuit board see page 69 Fig 3 ...

Страница 22: ...e tubes are connected and not kinked Is one or are all the solenoid valves not working Replace the solenoid valve and repeat the diagnostic cycle to check for any further alarms Is the resistance measurement of the solenoid valve approximately 3 5 4 5K Measure it directly on the solenoid valve without wiring see fig 3 Replace repair the wiring and repeat the diagnostic cycle to check for any furth...

Страница 23: ... DT mdm FCPD dp 23 71 599 77 00 82 Rev 01 E13 Fig 2 Fig 1 J11 J19 J17 J16 J3 J7 J22 J20 J18 J15 J9 J13 J6 J1 Fig 4 J12 3rd SOLENOID VALVE DISPLAY CIRCUIT BOARD WASH PRE WASH HOT WATER 3 5 4 5KΩ 3 5 4 5KΩ Fig 3 If there are burns on the circuit board see page 69 ...

Страница 24: ...ace the pump and repeat the diagnostic cycle to check for any further alarms Is the resistance measurement of the pump approximately 155 200 Measure it directly on the pump see fig 5 Check replace the wiring and repeat the diagnostic cycle to check for any further alarms Is the pump rotor mechanically blocked or broken Is the pressure switch s water circuit efficient no clogging Replace the circui...

Страница 25: ...nic controls 2013 TS DT mdm FCPD dp 25 71 599 77 00 82 Rev 01 E21 Fig 1 J11 J19 J17 J16 J3 J7 J22 J20 J18 J15 J9 J13 J6 J1 Fig 4 J12 DISPLAY CIRCUIT BOARD Drain pump 155 200Ω 155 200Ω If there are burns on the circuit board see page 69 Fig 5 ...

Страница 26: ...ctly on the pump see fig 5 Check replace the wiring and repeat the diagnostic cycle to check for any further alarms Measure it between connectors J15 3 J15 4 and the appliance body fig 6 Is there any dispersion Replace the main circuit board and repeat the diagnostic cycle to check for any further alarms Replace the pump and repeat the diagnostic cycle to check for any further alarms Check replace...

Страница 27: ...ic controls 2013 TS DT mdm FCPD dp 27 71 599 77 00 82 Rev 01 E23 Fig 6 Fig 5 J11 J19 J17 J16 J3 J7 J22 J20 J18 J15 J9 J13 J6 J1 Fig 4 J12 DISPLAY CIRCUIT BOARD Drain pump 155 200Ω 155 200Ω Ω If there are burns on the circuit board see page 69 ...

Страница 28: ...g 7 is the wiring between the main circuit board and the analogue pressure switch ok and is it connected correctly on both sides Reconnect and or replace the wiring and repeat the diagnostic cycle to check for any further alarms Replace the analogue pressure switch and repeat the diagnostic cycle to check for any further alarm codes Is the appliance displaying the same alarm code again NO Replace ...

Страница 29: ...tion of the analogue pressure switch E32 Checks to perform Clean replace the tube and or the pressure chamber and repeat the diagnostic cycle completely to check for any further alarms Select a washing cycle After a few minutes has the appliance filled with water and is the motor running Check the drain system filter drain pump drain tube Is the appliance draining correctly Repair the drain circui...

Страница 30: ...alarms Run the diagnostic cycle at phase 9 Once the door has locked does the appliance start to fill with water Replace the analogue pressure switch Run a rinse cycle Does the E35 alarm appear again Is the wiring between the main circuit board and the analogue pressure switch connected correctly on both sides Replace the main circuit board and repeat the diagnostic cycle to check for any further a...

Страница 31: ...o make sure the system is unobstructed see fig 8 Repeat the diagnostic cycle to check for any further alarms Replace reposition the belt and repeat the diagnostic cycle to check for any further alarms Replace the analogue pressure switch and repeat the diagnostic cycle to check for any further alarms E38 E38 Internal pressure chamber is clogged E38 The analogue pressure switch is not able to measu...

Страница 32: ...easure the resistance value of the PTC between wire J13 2 and J13 3 the circuit must be OPEN Is the system ok Replace the door lock and repeat the diagnostic cycle to check for any further alarms Replace the door lock Is the appliance working correctly Check the mechanical coupling between the door lock and the door latch Is the system efficient Close the door correctly and repeat the diagnostic c...

Страница 33: ...ntrols 2013 TS DT mdm FCPD dp 33 71 599 77 00 82 Rev 01 E41 device with 3 connections 1 4 Door lock MAIN CIRCUIT BOARD Ω nΩ J11 J19 J17 J16 J3 J7 J22 J20 J18 J15 J9 J13 J6 J1 Fig 4 J12 If there are burns on the circuit board see page 69 Fig 9 Ω nΩ ...

Страница 34: ...he resistance value of the PTC between wire J13 2 and J13 3 the circuit must be OPEN Is the system ok Replace the door lock and repeat the diagnostic cycle to check for any further alarms Replace the door lock Is the appliance working correctly Check the mechanical coupling between the door lock and the door latch Is the system efficient Close the door correctly and repeat the diagnostic cycle to ...

Страница 35: ...ntrols 2013 TS DT mdm FCPD dp 35 71 599 77 00 82 Rev 01 E42 device with 3 connections J11 J19 J17 J16 J3 J7 J22 J20 J18 J15 J9 J13 J6 J1 Fig 4 J12 Fig 9 1 4 Door lock MAIN CIRCUIT BOARD Ω nΩ If there are burns on the circuit board see page 69 Ω nΩ ...

Страница 36: ...r alarms Replace the circuit board and repeat the diagnostic cycle to check for any further alarms Measure the continuity between connector J13 main circuit board and the door lock connector Is the wiring ok 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 NO Detach the conne...

Страница 37: ...he component triac controlling the door delay system E45 Replace the circuit board 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 If there are burns on the circuit board see page 69 Check that all the connectors are correctly inserted Check that all the connectors are correctly inserted Ω nΩ ...

Страница 38: ...d 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 M 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 MOTOR TERMINAL BOARD TERMINALS CONTROLLING ECM B 1 2 Stator winding 9 10 7 C 2 3 ...

Страница 39: ...n all the terminals of wiring connector J2CB 2 J2CB 3 J2CB 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 Replace the motor and repeat the diagnostic cycle to check for any further alarms Check replace the wiring and repeat the diagnostic cycle to check for any...

Страница 40: ...nnector from the motor and measure between the terminals and the motor casing see fig 10 Is there any dispersion Replace the motor 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 Was the wash cycle performed with too large a laundry load Reduce the laundry load in the drum and restart the wash ...

Страница 41: ... diagnostics of EWX11831 electronic controls 2013 TS DT mdm FCPD dp 41 71 599 77 00 82 Rev 01 E58 Connector Motor Ω ENGINE CONTROL BOARD If there are burns on the circuit board see page 69 Fig 16 Fig 15 Fig 17 ...

Страница 42: ...rd and repeat the diagnostic cycle to check for any further alarms Disconnect the connector from the motor Measure the resistance measurement between the terminals on the motor terminal board The values correspond with those shown in the table on page 38 NO NO Check whether the drum turns freely without posing any resistance see fig 15 Is the drum having difficulty rotating Check whether the frict...

Страница 43: ... EWX11831 electronic controls 2013 TS DT mdm FCPD dp 43 71 599 77 00 82 Rev 01 E59 J2 CB J1 IB J1 CB Fig 14 Fig 16 Fig 15 Fig 17 DISPLAY CONTROL BOARD MOTOR Connector Motor If there are burns on the circuit board see page 69 ...

Страница 44: ...y 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 YES YES N O N O 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 alarms Replace the motor control board and repeat the diagnostic cycle to check...

Страница 45: ... EWX11831 electronic controls 2013 TS DT mdm FCPD dp 45 71 599 77 00 82 Rev 01 E5A If there are burns on the circuit board see page 69 Fig 15 J2 CB J1 IB J1 CB Fig 14 Fig 17 DISPLAY CONTROL BOARD MOTOR Connector Motor Fig 16 ...

Страница 46: ...perform Measure the mains voltage and make sure it is within the nominal range Is the mains voltage correct Wait for the mains voltage to return to nominal conditions and repeat the diagnostic cycle to check for any further alarms Replace the motor control board and repeat the diagnostic cycle to check for any further alarms If there are burns on the circuit board see page 69 Check that all the co...

Страница 47: ... Measure the continuity between connector J16 2 J16 4 main circuit board and connector J1CB 1 J1CB 3 motor control board Is the wiring ok Replace the wiring and repeat the diagnostic cycle to check for any further alarms Replace the motor control board and repeat the diagnostic cycle to check for any further alarms Is the appliance working Replace the main circuit board and repeat the diagnostic c...

Страница 48: ... Checks to perform Checks to perform E5F E5F Inverter board fails to start the motor E5F Replace the motor control board and repeat the diagnostic cycle to check for any further alarms Replace the motor control board and repeat the diagnostic cycle to check for any further alarms If there are burns on the circuit board see page 69 Check that all the connectors are correctly inserted Check that all...

Страница 49: ...urther alarms Measure the continuity between connectors J12 1 J12 2 main circuit board and J1IB 1 J1IB 2 motor control board Replace the wiring and repeat the diagnostic cycle to check for any further alarms Replace the motor control board and repeat the diagnostic cycle to check for any further alarms Is the appliance working Replace the main circuit board and repeat the diagnostic cycle to check...

Страница 50: ...ircuit open Detach the connector and measure between the heating element and the earth contact see fig 19 Is the circuit open Replace the heating element 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 Detach the connector and measure the value directly on the NTC probe see fig 18 Is the value ...

Страница 51: ...k for any further alarms Detach the connectors and measure between the heating element and the earth contact fig 19 Is the circuit open Replace the heating element 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 NO NO Check that all the connectors are correctly inserted Fig 6 MAIN CIRCUIT BOARD...

Страница 52: ...element and the earth contact see fig 19 Is the circuit open 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 Check 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 NO...

Страница 53: ...rms 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 230V 1750W Replace the heating element 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 NO NO Check that all the connectors are correctly inserted MAI...

Страница 54: ...for any further alarms Detach the connectors and measure between the heating element and the earth contact see fig 19 Is the circuit open 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 Check replace the wiring and repeat the diagnostic cycle to check for any further alarms Replace the main cir...

Страница 55: ...tween terminals J3 4 J3 5 of the NTC connector and the appliance body see fig 6 Is there any dispersion 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 Run phase 9 of the diagnosti...

Страница 56: ...20 C between contacts J3 4 and J3 5 of the wiring connector fig 4 Is the value correct between 5 7 and 6 3K at 20 C Is the probe visibly positioned correctly in its seat see fig 21 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 any further alarms Replace the circuit bo...

Страница 57: ...c cycle to check for any further alarms Repeat the diagnostic cycle to check for any further alarms NO Replace the display board and run the diagnostic cycle to check for any further alarms Check for any friction between the control panel and the knob Is it difficult to turn the knob NO Repair the coupling between the control panel selector knob Repeat the diagnostic cycle to check for any further...

Страница 58: ...ect the connector J16 from the main board that connects the motor control board Does the E91 alarm appear again YES See page 59 N O NO Check the wiring between the main circuit board and the Inverter board Connect and disconnect the connector on both boards several times Measure the continuity between connector J16 main circuit board and J1 CB motor control board Is the wiring ok Replace the Inver...

Страница 59: ...he 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 J19 main circuit board and J2 display board Is the wiring ok Replace the main circuit board and repeat the diagnostic cycle to check for any further alarms Is the appliance still displaying E91 Replace repair the wiring and repeat ...

Страница 60: ...n circuit board and the Inverter board Incorrect configuration possible Replace the circuit board and repeat the diagnostic cycle to check for any further alarms Incorrect configuration possible Replace the circuit board and repeat the diagnostic cycle to check for any further alarms Incorrect configuration possible Replace the circuit board and repeat the diagnostic cycle to check for any further...

Страница 61: ... touch key faulty E9E Incorrect configuration possible Replace the circuit board and repeat the diagnostic cycle to check for any further alarms Check that all the connectors are correctly inserted Check that all the connectors are correctly inserted Display board faulty Replace the display board and repeat the diagnostic cycle to check for any further alarms If there are burns on the circuit boar...

Страница 62: ...ce body if there are dispersions fig 6 and tab 1 Is there any dispersion Replace the main circuit board and repeat the diagnostic cycle to check for any further alarms Does the appliance fill with water when the appliance is turned off Replace the main circuit board and repeat the diagnostic cycle to check for any further alarms Replace the wiring and repeat the diagnostic cycle to check for any f...

Страница 63: ...omer to use the correct quantity of detergent and to make sure the filter and drain circuit are clean This warns about the presence of water at the bottom of the appliance Check for any water leaks and that the Aqua Control device float is positioned correctly Or caused by excessive overheating of the drain pump Check for any items which may obstruct the normal operation of the rotor This is an un...

Страница 64: ... main circuit board and repeat the diagnostic cycle to check for any further alarms Have the electrical system of the home checked repaired by the proper Body NO NO Check that all the connectors are correctly inserted Important The appliance remains in alarm status until the mains frequency returns to the correct values or the appliance is switched off programme selector set to 0 Only the family o...

Страница 65: ...ains 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 Check that all the connectors are correctly inserted If there are burns on the circuit board see page 69 Replace the main circuit board an...

Страница 66: ...Guide to diagnostics of EWX11831 electronic controls 2013 TS DT mdm FCPD dp 66 71 599 77 00 82 Rev 01 7 WM OPERATING CIRCUIT DIAGRAM ...

Страница 67: ...Pre wash solenoid 6 Wash solenoid 7 Bleach solenoid valve 8 Hot water solenoid 9 Heating element 10 Display board 11 Motor control board Inverter 12 Triple phase motor 13 Drain pump DRAIN_YTY Drain pump Triac DOOR_CLOSE_TY Door interlock Triac REC PUMP_TY Circulation pump TRIAC switch PWELT_TY Pre wash solenoid Triac WELT_TY Wash solenoid Triac BELT_TY Electronically controlled TRIAC bleach valve ...

Страница 68: ...Vee 12V J16 2 5V J16 3 Rx Tx J16 4 GND J4 J17 J4 Ground MACS communication J17 1 Vee 12V J17 2 5V J17 3 Rx Tx J17 4 GND J6 J6 1 heating element Neutral Relay J6 2 heating element Line Relay J13 J18 J13 2 Door lock Line J13 3 Door lock Line J13 1 Door lock PTC Triac J18 1 Wash solenoid valve Triac J18 3 Wash solenoid valve Line J18 4Pre wash solenoid valve Line J18 6 Pre wash solenoid valve Triac J...

Страница 69: ...rd illustrated is the one with the largest number of components other boards do not feature some of these components 1 Anti disturbance filter area 2 Power supply area 3 Heating element area 4 Door lock area 5 Motor area 6 Drain pump area 7 Recirculation pump area 8 Wash water fill solenoid valve area 9 Prewash water fill solenoid valve area 10 Bleach water fill solenoid valve area 11 Hot water fi...

Страница 70: ...2013 TS DT mdm FCPD dp 70 71 599 77 00 82 Rev 01 Remarks ...

Страница 71: ...REVISION Revision Date Description Author Approved by 00 09 2013 Document Creation DMM XX 0X 201X 01 10 2013 Changed table with diagram and legend DMM XX 0X 201X ...

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