Electrolux washing machine Service Manual
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Electrolux washing machine Service Manual

Electrolux washing machine Service Manual

Diagnostics guide to ewm2000 electronic control washing machines & washer dryers
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© ELECTROLUX-ZANUSSI S.p.A.
SPARE & SERVICE DOCUMENTATION
Corso Lino Zanussi,30
I - 33080 PORCIA /PN
ITALY
Fax +39 0434 394096
Edition: 2001.05.31
SSD-P APdV, EB, HD 01/05
Diagnostics Guide to
EWM2000 Electronic
Publication no.
599 34 71-47
EN/eb
Production: ZP Porcia (Italy)
I

SERVICE MANUAL

WASHING
Control
WASHING MACHINES
&
WASHER DRYERS
599 34 71-47

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  • Page 1: Service Manual

    SERVICE MANUAL WASHING Diagnostics Guide to EWM2000 Electronic © ELECTROLUX-ZANUSSI S.p.A. Control SPARE & SERVICE DOCUMENTATION Publication no. Corso Lino Zanussi,30 WASHING MACHINES I - 33080 PORCIA /PN 599 34 71-47 & ITALY WASHER DRYERS Fax +39 0434 394096 EN/eb Production: ZP Porcia (Italy) Edition: 2001.05.31...
  • Page 2 SSD-P APdV, EB, HD 01/05 599 34 71-47...
  • Page 3 CONTENTS Aim of this manual ......................page OPERATING PROCEDURE ....................page SUMMARY OF EWM2000 ELECTRONIC CONTROLS ............ page Table 1: FULL SMD VERSION with on/off button .............. pages 1.1-1.2 Table 2: FULL SMD VERSION with on/off switch on the programme selector....pages 2.1-2.2 Table 3: DELTA3 &...
  • Page 4 INTRODUCTION Aim of this manual This manual aims to explain in a clear and simple way the phases a Service Engineer should follow to solve problems highlighted by the different alarm codes in EWM2000 electronic appliances with electronic control. Operating procedure 1.
  • Page 5 Diagnostics table Examples of control panels 599 34 00-75; 599 33 70-05 Alarm Led 599 34 05-08 Electrolux Alpha 2 A.Martin- Electrolux Obstructed 599 34 20-83 filter Led 599 34 00-75; 599 33 70-05 Privileg, Zoppas Alarm Led 599 34 05-08...
  • Page 6 SSD-P APdV, EB, HD 01/05 599 34 71-47...
  • Page 7 Table 1: FULL SMD with on/off button version (the programme selector can be on the right or on the left of the module) To access the diagnostics system: → switch off the appliance and turn the programme selector knob to RESET →...
  • Page 8 Table 1: FULL SMD with on/off button version (the programme selector can be on the right or on the left of the module) PROGRAMME SELECTOR 24-position 12-position Closure of selector contacts Display selector knob selector knob (C6 = common) code (C1 not present) 1 - Reset 1 - Reset...
  • Page 9 Table 2: FULL SMD version with on/off switch on the programme selector (the programme selector can be on the right or on the left of the module) To access the diagnostics system: → switch off the appliance → press the START/PAUSE button (8) together with one of the other buttons and then, holding down both buttons, switch on the appliance by turning the programme selector one position clockwise.
  • Page 10 Table 2: FULL SMD version with on/off button on the programme selector (the programme selector can be on the right or on the left of the module) PROGRAMME SELECTOR 24-position 12-position Closure of selector contacts Display selector knob selector knob (C6 = common) code (C1 not present)
  • Page 11 Table 3: DELTA3 - NEAT version To access the system: → press the SKIP/RESET button to cancel the programme previously selected and switch off the appliance. → press the START/PAUSE (7) button together with the SKIP/RESET (8) button and then, holding down both buttons, press the ON/OFF button to switch on the appliance.
  • Page 12 Table 3: DELTA3 - NEAT version DIAGNOSTIC CONTROL SYSTEM Step LED lit Function tested All (in sequence) Tests the user interface (step 0, page 6.1) Water fill to wash compartment in the dispenser (step 1, page 6.1) Water fill to pre-wash compartment in the dispenser (step 2, page 6.1) Water fill to conditioner compartment in the dispenser (step 3, page 6.1)
  • Page 13 Table 4: INPUT version To access the system: → switch off the appliance. → press the SPIN button (3) together with the button n. 4 and then, holding down both buttons, press the ON/OFF button to switch on the appliance. →...
  • Page 14 Table 4: INPUT version DIAGNOSTIC CONTROL SYSTEM Step LED lit Function tested All (in sequence) Tests the user interface (step 0, page 6.1) Water fill to wash compartment in the dispenser (step 1, page 6.1) Water fill to pre-wash compartment in the dispenser (step 2, page 6.1) Water fill to conditioner compartment in the dispenser (step 3, page 6.1)
  • Page 15 Table 5: AEG version (with on/off button on the programme selector) To access the system: → switch off the appliance and turn the programme selector knob to OFF/RESET. → press button 1 and 2 at the same time and then, while holding them down, switch on the appliance by turning the programme selector one position clockwise.
  • Page 16 Table 5: AEG version (with on/off button on the programme selector) Closure of selector Display Selector knob position contacts Code (C6 - common) 24 Pos. 21 Pos. 12 Pos. C1 C2 C3 C4 C5 G closed contact Table of button codes BUTTON DISPLAY ❍...
  • Page 17 DIAGNOSTICS CYCLE PHASES Step Components actioned Operating conditions Parameters displayed Function tested All the LEDs light in sequence. When a button is Operation of the user Always operative Button code pressed, the corresponding LED lights. interface - door interlock Door closed, water fill to anti-overflow level for Water fill to wash Water level in mm - wash solenoid...
  • Page 18 NO ACCESS TO DIAGNOSTICS PROGRAMME 1. NO LEDs SWITCH ON IN THE USER INTERFACE? Are the power supply and the connection No → → → → Replace/set cable, check connection functioning? Yes ↓ ↓ ↓ ↓ Is the interference suppressor functioning? No →...

  • Page 19: Alarm Codes

    ALARM CODES Alarm User Description of fault Effect Page code code Problems with water fill in wash phase Cycle PAUSED Problems with water fill in drying Cycle PAUSED Problems with water drain in wash phase Cycle PAUSED Problems with water drain during drying or drying Heating phase skipped condenser blocked Cycle blocked...
  • Page 20 ALARM CODES Problems during water filling phase – washing (Machine tries to fill for 10 min without reaching the level) Checks to do: Inside the diagnostic cycle make the machine filling in each compartment (step 1,2,4) Verify that tap and hoses are Is there one of the tree valves letting the water coming in.
  • Page 21 ALARM CODES Problems filling water during drying cycle phase (To check if the drying inlet valve is working machine measure the increasing water level at the beginning of the drying phase. Alarm appear after 10 min of filling without reaching the level) Checks to do: Inside the diagnostic cycle make the machine starting the drying cycle (step...
  • Page 22 ALARM CODES Problems during draining phase (Machine tries to drain for 10 min without emptying the tub) Checks to do: Clean the filter and run again the Is the drain filter clean? diagnostic cycle to verify any further possible alarm Is the draining system OK (drain hose Free and check the draining system and plumbing where machine is...
  • Page 23 ALARM CODES Difficulties in draining water during drying phase Checks to do: Clean the condenser and repeat Is the condenser clean? completely the diagnostic cycle to verify -see pic.06 any further possible alarm Do the diagnostic cycle completely again and verify any further possible alarm code SSD-P APdV, EB, HD 01/05 599 34 71-47...
  • Page 24 ALARM CODES The analogic pressure switch is giving to the main board a signal outside the range Checks to do: Measure a close circuit between J4-3, J4-4 and J4-5 and the 3 connector on Reconnect and/or replace the cable analogic pressure switch plug (they are 3 and do the diagnostic cycle again to independent connections) verify any further possible alarm...
  • Page 25 ALARM CODES The analogic pressure switch is giving an error during the calibration phase (At the beginning of each cycle the appliance drain to empty the tub and create a 0 level to verify the calibration of the analogic pressure switch) Checks to do: Are pressure switch hoses and the air Clean/change the hoses and/or air trap...
  • Page 26 ALARM CODES There is an incongruity between the water level measured by the analogic pressure switch and the mechanical pressure switch “ anti-boil switch 1 “ Checks to do: (incongruity for more then 60 sec) Empty the machine. Are pressure switch hoses and the air Clean/change the hoses and/or air trap trap system free? (you can disconnect system and repeat completely the diagnostic...
  • Page 27 ALARM CODES There is an incongruity between the water level measured by the analogic pressure switch and the mechanical pressure switch “anti-boil switch 2“ (incongruity for more then 60 sec) Checks to do: Empty the machine. Clean/change the hoses and/or air trap Are pressure switch hoses and the air system and repeat completely the diagnostic trap system free? (you can disconnect...
  • Page 28 ALARM CODES Water level too high The electronic board measures a water level from analogic pressure switch higher then 300 mm for more then 15 seconds. Checks to do: Clean/change the hoses and/or air trap Empty the machine. system and repeat completely the Are pressure switch hoses and the air diagnostic cycle to verify any further trap system free? (you can disconnect...
  • Page 29 ALARM CODES The sensing of the ”anti-boil switch 1“ on the electronic board is not working properly Checks to do: Are pressure switch hoses and the air trap system free? Clean/change the hoses and/or air (you can disconnect the hoses and trap system and repeat completely blow in them to check if the system is the diagnostic cycle to verify any...
  • Page 30 ALARM CODES Pressure chamber blocked The analogic pressure switch is not able to measure any variation of the water level for at least 30-sec. during drum movement. Checks to do: Empty the machine. Get inside the Clear \ clean the air Verify the air trap diagnostic cycle and trap system and \ or...
  • Page 31 ALARM CODES The machine is not able to lock the door. (1st page) Checks to do: Close the door correctly Is the door closed and run the diagnostic cycle properly? to measure any further possible alarm 3 Connections – 4 Connections Is the door Traditional or instant door (Instant door lock device)
  • Page 32 ALARM CODES The machine is not able to lock the door. (2nd page) Checks to do: 4 Connections Instant door lock device -see pic.19- To verify the cable measure the following connections on main Unplug the connectors on board plugs: door lock and measure as - Measure between wire on J2-3 follow:...
  • Page 33 ALARM CODES The door is felt open during the cycle or remain close at the end of the cycle. (1st page) Checks to do: Is the door 3 Connections –Traditional 4 Connections lock with 3 or or instant door lock device. (Instant door lock 4 connectors? see pic.
  • Page 34 ALARM CODES The door is felt open during the cycle or remain close at the end of the cycle. (2nd page) Checks to do: 4 Connections Instant door lock device see pic.19 To verify the cable measure the following connections on main Unplug the connectors on board plugs: door lock and measure as...
  • Page 35 ALARM CODES There is an incongruity on the component (Triac) that commands the door lock device. (1st page) Checks to do: Is the door 3 Connections –Traditional 4 Connections lock with 3 or or instant door lock device. (Instant door lock 4 connectors? see pic 17,18 device)
  • Page 36 ALARM CODES There is an incongruity on the component (Triac) that commands the door lock device. (2nd page) Checks to do: 4 Connections Instant door lock device see pic.19 To verify the cable measure the following connections on main Unplug the connectors on board plugs: door lock and measure as - Measure between wire on J2-3...
  • Page 37 ALARM CODES The sensing of door lock device on the electronic board is not working properly. Checks to do: Change the Electronic board and run again the diagnostic cycle to verify any further possible alarm. The sensing of the component (triac) that commands the door lock device on the electronic board in not working properly.
  • Page 38 ALARM CODES The component (Triac) that commands the motor is in short circuit or dispersion. Checks to do: Unplug the motor connector J1 from the main board, As last alarm you get an close the top of the machine E85 (jetsystem models with and turn on the machine in recirculation pump) or the diagnostic cycle and go...
  • Page 39 ALARM CODES No signal coming from the tachometric generator in the motor. (Page 1) Checks to do: Get in to the diagnostic cycle Does the and go to step 6 motor rotate Motor Not Turning At all ( Motor moves cw for a few see next page (8.22) 50 r.p.m.and ccw...
  • Page 40 ALARM CODES No signal coming from the tachometric generator in the motor. Motor Not Turning At all (Page 2) Verify motor DC Motor AC Motor and wiring. Is it an AC or DC motor? DC Motor: connector J1 with 10 wires and 2 board motor control (AC/DC AC Motor: connector J1 with 9 wires...
  • Page 41 ALARM CODES The sensing of the component (triac) that commands the Motor device on the electronic board in not working properly. Checks to do: Change the main board and run again the diagnostic cycle to verify any further possible alarm One of the Relays of the main board is not working properly.
  • Page 42 ALARM CODES Insufficient heating measured by the main board during washing cycle. ➜ ➜ ➜ ➜ SOMETIME THE ALARM CAN BE CAUSED BY LOW SUPPLY VOLTAGE! Checks to do: Get inside the diagnostic Measure the Ohm value cycle and fill water up to the directly on the heating Change the heating glass to make the pressure...
  • Page 43 ALARM CODES Overheating during washing cycle more than 88° ° ° ° C. Checks to do: Get inside the diagnostic Unplug the connector and cycle and fill water up to the measure between the Change the heating glass to make the pressure washing heating element and element and run again the switch operate.
  • Page 44 ALARM CODES Insufficient heating measured by the main board during drying cycle. Checks to do: Empty the machine. Measure the Ohm value Change the heating In the main board plugs directly on the heating measure between connector element unplugging the element and run again the diagnostic cycle to verify W2 and J2-1, you should...
  • Page 45 ALARM CODES Overheating during drying cycle more then 180° ° ° ° C. Checks to do: In the main board plugs Unplug the connectors measure between connector Change the heating measure between the 2 J2-5 and machine body, you element and run again the drying heating element and should find an open circuit .
  • Page 46 ALARM CODES Faulty Relay that gives power to the heating element. Incongruity between anti-boil switch 2 and status of the relay. Checks to do: Unplug the connector W1-W2 and Change the Main board and run again measure directly on the main board, you the diagnostic cycle to verify any further should find an open circuit.
  • Page 47 ALARM CODES Washing NTC sensor failure. (ohm value of the NTC out of limits) Checks to do: Unplug connectors. Get inside diagnostic cycle and fill Measure directly on Change the NTC in water on step 5 to make the the NTC the Ohm sensor and run again pressure switch operating .Turn off value.
  • Page 48 ALARM CODES Drying NTC sensor on condenser failure. (ohm value of the NTC out of limits) Checks to do: Get inside diagnostic cycle and fill Measure directly on the in water on step 5 to make the NTC the Ohm value. Change the NTC pressure switch operating .Turn off Do you read the rigth...
  • Page 49 ALARM CODES Drying NTC sensor on duct near heating element failure. (ohm value of the NTC out of limits) Checks to do: Get inside diagnostic cycle and fill in water on step 5 to make the Change the NTC pressure switch operating .Turn off sensor and run machine and on main board plug Measure directly on the...
  • Page 50 ALARM CODES The sensing of the component (triac) that commands the recirculation pump on the electronic board is not working properly. Checks to do: Change the Main board and run again the diagnostic cycle to verify any further possible alarm. If there are burn marks on electronic board, see page 13.1-2 8.32...
  • Page 51 ALARM CODES The component (triac) that commands the recirculation pump on the electronic board is not working properly. Checks to do: Unplug connector on main Unplug the connector on board and measure directly recirculation pump and Change the recirculation between J1-1 and J1-9 measure ohm value of the pump and run again (WM) or between J1-1 and...
  • Page 52 ALARM CODES Communication error between user interface and main board. Checks to do: Verify the connector between the main board and user interface Change the main Change the User board by plugging and unplugging board and run interface board the connector few times on both diagnostic cycles to and run diagnostic sides, OR replace the cable and...
  • Page 53 ALARM CODES Drain filter blocked. Checks to do: It is a warning that appears only at the end of the cycle. The machine has detected long draining phases during the cycle (Es. More then 20 seconds during draining after rinsing phase). Verify that drain filter and all drain system is clean.
  • Page 54 How to check commutator motors How to check commutator motors 1) Check connecting blocks (wiring) and if there are any stuck out / folded terminals 2) Check if there are any water or detergent traces / remaining / deposits and where they come from 3) Control any windings / mass particulars or with a very low ground insulation by using a tester with minimum capacity of 40 Mohm between every single terminal and the...
  • Page 55 Notes describing the various models. It is advisable to note the configuration code on the casing of the new PCB fitted to the washing machine. A = The first digit shown on the display (if featured) indicates the position of the value to be entered.
  • Page 56 BASIC CIRCUIT DIAGRAM AC MOTOR 11.1 SSD-P APdV, EB, HD 01/05 599 34 71-47...
  • Page 57 BASIC CIRCUIT DIAGRAM DC MOTOR 11.2 SSD-P APdV, EB, HD 01/05 599 34 71-47...

  • Page 58: Key To Circuit Diagram

    BASIC CIRCUIT DIAGRAM Key to circuit diagram 1. Main PCB 2. User interface Washer/dryers only 3. Programme selector 3a. ON/OFF (programme selector) 21. Condensation solenoid 4. Buzzer (certain models only) 22. Safety thermostat 5. Anti-interference filter 23. Heating element (drying) 7.
  • Page 59 MAIN ELECTRONIC BOARD CONNECTORS Washing machines and washer dryers with alternate current motor J10.4 Serial interface (GND) W1 ON/OFF (neutral) J10.3 Serial interface (+5V) W2 Heating element (relays) J10.2 Serial interface (TX) J10.1 Serial interface (RX) J11.4 DPS drum positioning (sensing) J11.3 DPS motor (sensing) J1.1 Circulation pump (triac) J11.2 DPS motor (line)
  • Page 60 MAIN ELECTRONIC BOARD CONNECTORS Washing machines and washer dryers with direct current motor (through AC/DC converter) J10.4 Serial interface (GND) W1 ON/OFF (neutral) J10.3 Serial interface (+5V) W2 Heating element (relays) J10.2 Serial interface (TX) J10.1 Serial interface (RX) J1.1 Circulation pump (triac) J1.2 Motor (triac) J1.3 Motor (stator - 1/2) J1.4 Motor (stator - full)
  • Page 61 MAIN ELECTRONIC BOARD CONNECTORS Washing machines with first version electronic board (bigger size than the current board) J10.4 Serial interface (GND) W1 ON/OFF (neutral) J10.3 Serial interface (+5V) W2 Heating element (relays) J10.2 Serial interface (TX) J10.1 Serial interface (RX) J1.1 Circulation pump (triac) J1.2 Motor (triac) J1.3 Motor (stator - 1/2)
  • Page 62 BURNING MARKS ON MAIN ELECTRONIC BOARD In case of burning marks on main electronic board, check that the fault has not been caused by another electric component (short-circuits, poor insulation, water leakage). Use the following pictures to identify, on the basis of the burnt area, the component that could have caused the problem. The type of board represented is the one with the most components (washer-dryers with DC motor);...
  • Page 63 BURNING MARKS ON MAIN ELECTRONIC BOARD REAR 1. Analogic pressure switch area 2. NTC sensor (washing) area 3. Drain pump area 4. User interface area 5. Power supply area 6. Motor area 7. Recirculation pump area 8. Heating elements area 9.
  • Page 64 PICTURES LINKED TO FAULT FINDING pic. 01 pic. 02 pic. 03 pic. 04 14.1 SSD-P APdV, EB, HD 01/05 599 34 71-47...
  • Page 65 PICTURES LINKED TO FAULT FINDING pic. 05 pic. 06 pic. 07 14.2 SSD-P APdV, EB, HD 01/05 599 34 71-47...
  • Page 66 PICTURES LINKED TO FAULT FINDING pic. 08 pic. 08a pic. 08b pic. 09 pic. 10 14.3 SSD-P APdV, EB, HD 01/05 599 34 71-47...
  • Page 67 PICTURES LINKED TO FAULT FINDING pic. 11 pic. 12 pic. 14 pic. 13 14.4 SSD-P APdV, EB, HD 01/05 599 34 71-47...
  • Page 68 PICTURES LINKED TO FAULT FINDING pic. 15 pic. 16 pic. 18 pic. 17 14.5 SSD-P APdV, EB, HD 01/05 599 34 71-47...
  • Page 69 PICTURES LINKED TO FAULT FINDING pic. 20 pic. 19 pic. 21 pic. 22 14.6 SSD-P APdV, EB, HD 01/05 599 34 71-47...
  • Page 70 PICTURES LINKED TO FAULT FINDING pic. 23 pic. 24 pic. 25 pic. 26 14.7 SSD-P APdV, EB, HD 01/05 599 34 71-47...
  • Page 71 PICTURES LINKED TO FAULT FINDING pic. 27 pic. 28 pic. 29 pic. 30 14.8 SSD-P APdV, EB, HD 01/05 599 34 71-47...
  • Page 72 PICTURES LINKED TO FAULT FINDING pic. 31 pic. 32 pic. 33 14.9 SSD-P APdV, EB, HD 01/05 599 34 71-47...
  • Page 73 PICTURES LINKED TO FAULT FINDING pic. 35 pic. 34 14.10 SSD-P APdV, EB, HD 01/05 599 34 71-47...
  • Page 74 NOTES --------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------------------...

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