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Merloni EVO3 Service Manual

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Merloni Elettrodomestici
Service manual
DISHWASHER EVO3
Language Issue/Edition
Page
EN
03-05-20/01
1-54

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Summary of Contents for Merloni EVO3

  • Page 1 Merloni Elettrodomestici Service manual DISHWASHER EVO3 Language Issue/Edition Page 03-05-20/01 1-54...
  • Page 2 Merloni Elettrodomestici Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 2-54...

  • Page 3: Table Of Contents

    Merloni Elettrodomestici Contents EXTERNAL FEATURES Programme selector LVS free-standing range installation key DESCRIPTION OF STANDARD CYCLE DESCRIPTION OF EVO3 CYCLES Resetting a wash cycle Standard cycle Glassware cycle Duo Wash cycle Auto Wash cycle Super wash cycle Eco cycle Rapid cycle Special guest cycle 3.10...
  • Page 4 Failures and possible causes 5.11 Duo wash NEW DRYING SYSTEM WITH TURBO DRY (EVO 3) SALT INDICATOR LIGHT EVO3 TABLE OF ALARMS TEST AND AUTOTEST CYCLES To run the Test/Autotest programme follow the steps below: RESET CODE Test and Autotest specifications...
  • Page 5 Wash pump + 1/2 load solenoid Wash pump + duo wash motor Concealed heating element Symmetrical microfilter LED Card LCD Card Turbidity sensor New dryer chamber High pressure sensor TR (open heating element) Dispenser Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 5-54...

  • Page 6: External Features

    Programme selector Programme Indicator lights type + reset cycle status ON-OFF light Programme Salt ON-OFF button indicator light selector Programme selector, Cycle status and delayed start delayed start button indicator lights Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 6-54...

  • Page 7: Led

    Salt indicator light Half-load indicator light Half-load button Programme Programme Start/Reset indicator light selector button On/Off light Programme selector, Cycle status and delayed start On/Off delayed start button indicator lights button Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 7-54...

  • Page 8: Lcd

    N = Black INDESIT Dishwashers External features Width Performances Safety features Colour Nothing = overflow T = AcquaStop 6 = 60 cm Nothing = White 4 = 45 cm YES = Silver Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 8-54...

  • Page 9: Description Of Standard Cycle

    Variations in temperature during the cycle time (min) Chart 1 You will see the cold pre-rinse, wash with gradually increasing temperature and hot-rinse stages. Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 9-54...
  • Page 10 2. Chart 2 shows the activation of all motors: motor pump b) drain pump fan (installed in models with LCD readout and graphics display) pumps motor pump (required wattage) drain pump (watts) fan (watts) time (min) Chart 2 Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 10-54...
  • Page 11 Merloni Elettrodomestici 3. Chart 3 shows the activation of the dispenser, fill, regeneration and water meter solenoid valves. fill water fill valve fill turbine regeneration valve dispenser time (min) Chart 3 Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 11-54...

  • Page 12: Description Of Evo3 Cycles

    Merloni Elettrodomestici DESCRIPTION OF EVO3 CYCLES Resetting a wash cycle Switch the machine on, press the “P” key for 5 seconds and 4 beeps will sound. Standard cycle Total litres filled = 16 l Total time = 70 min. Energy consumption = 1.25 KWh 10 min.

  • Page 13: Duo Wash Cycle

    In the Auto Wash programme the dishes can be loaded at random in both racks. Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 13-54...
  • Page 14 16 mins 48°C 27 mins 63°C 25 mins 10 mins 16 mins 48°C 27 mins 63°C 30 mins from 10 to 12 10 mins 16 mins 48°C 32 mins 63°C 30 mins Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 14-54...

  • Page 15: Super Wash Cycle

    Total litres filled = 16 l Total time = 120 min. Energy consumption = 1.05 KWh 10 min. 18 min. 36 min. 24 min. 32 min. 2° 48°C wash. 63°C rinse Drying Pre-rinse Pre-rinse Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 15-54...

  • Page 16: Rapid Cycle

    Energy consumption = 0.7 KWh 25 min. 10 min. 67°C rinse Drying 3.10 Soak cycle Total litres filled = 6 l Total time = 35 min. Energy consumption = 0.7 KWh 10 min. Cold rinse Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 16-54...

  • Page 17: Special Filter Cleaning Cycle

    2-minute pressure switch control, the filters will be cleaned. • during each stage of the wash cycle, if the pressure sensor contacts stay reset for at least 5 seconds. Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 17-54...
  • Page 18 If the sensor contacts open for at least 5 secs, after point 1 the rinse is repeated. If the sensor contacts open during the 2nd rinse (for at least 5 secs), after point 1 the dishwasher shows the filter cleaning alarm. Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 18-54...
  • Page 19 1 the rinse is repeated. 6.5l If the sensor contacts open during the 2nd rinse (for at least 5 secs), after point 1 the dishwasher shows the filter cleaning alarm. Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 19-54...

  • Page 20: Complete Water Line Diagram

    (components involved in water feed) the following devices: fill solenoid b) water meter turbine air-break chamber d) water softener Fill solenoid Water meter turbine Air-break chamber Water softener Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 20-54...
  • Page 21 Merloni Elettrodomestici wash line including (components involved in wash water feed) the following devices: wash motor pump WASH PUMP WASH PUMP + 1/2 LOAD SOLENOID Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 21-54...
  • Page 22 Merloni Elettrodomestici WASH PUMP + DUO WASH MOTOR b) lower spray arm concealed heating element + turbidity sensor (where applicable) TURBIDITY SENSOR (WHERE INSTALLED) CONCEALED HEATING ELEMENT Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 22-54...

  • Page 23: Fill Line Functioning

    2-litre between rinse level reached with motor off, signalled by water pressure switch to electronic card. d) in-cycle level reached (4 litres required for effective performance) during cycle with motor on, signalled by the turbine to the electronic card. Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 23-54...

  • Page 24: Wash Line Functioning

    Older dishwashers (Mark II project) featured an asymmetrical microfilter. When incorrectly assembled, this filter stops the mesh plate from sealing correctly, generating blockages in the spray arm nozzles. MARK2 EVO3 Symmetrical microfilter Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 24-54...

  • Page 25: Troubleshooting

    If the leak can be traced to the drain pump, locate the gasket and check if it has been fitted correctly (fit it to the sump connection on the pump). Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 25-54...

  • Page 26: Language Issue/Edition Page

    If the switch contacts are open, the machine indicates a pressure switch alarm. Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 26-54...

  • Page 27: Normal Turbine Fill Analysis

    (this works only when the machine is on; the double solenoid provides the most safety). Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 27-54...

  • Page 28: Acquastop Alarm

    • heating element, piloted by relay when pressure switch contacts closed (230V, 10°, P=2000W) • drying fan, piloted by relay when pressure switch contacts open (230V, 100mA, P=15W) • door open/closed input (230V; 0.5mA) Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 28-54...
  • Page 29 • high pressure input: high pressure sensor to increase clean filter algorithm. (230V 0,5mA) Triac fill Triac dispenser solenoid Wash programme solenoid memory Temperature sensor Triac wash pump Triac Triac Duo regeneration Triac drain or half-load solenoid solenoid pump Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 29-54...

  • Page 30: Replacing The Bit 100 Card

    RESET position. You can now use your dishwasher. • For dishwashers with LEDs, LCD and Graphics Display, switch the machine on and reset it (using the RESET button). You can now use your dishwasher. Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 30-54...
  • Page 31 Merloni Elettrodomestici Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 31-54...
  • Page 32 Examples of cabling between Bit100 and the interface card LED Card LCD Card The diagram on the next page will help you to understand the individual functions of the actuators listed previously. Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 32-54...

  • Page 33: Connection

    With the drain pump and the wash pump connected in series, the drain pump can be activated a lower voltages than the mains supply LINE WASH PUMP DRAIN PUMP TRIAC NEUTRAL Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 33-54...
  • Page 34 Q2 activates the pump if Q1 is OFF Q3 controls the duo wash, where installed, or the half-load solenoid LINE WASH PUMP DUO WASH MOTOR DRAIN PUMP TRIAC TRIAC TRIAC NEUTRAL Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 34-54...
  • Page 35 PRIMARY STARTER BLUE AMP F 180908 TERMINAL BOARD FROM CONNECTION SIDE BLACK CONNECTION DIAGRAM DUO WASH MOTOR BLACK GEAR MOTOR AUX. STARTER PRIMARY STARTER BLUE BLACK BROWN MOTORIZED CONTROL VALVE WHITE Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 35-54...
  • Page 36 LINE PRESSURE SWITCH FULL OPEN FAN 1 2000W 230V CONCEALED / OPEN LS1A RELAY SPDT HE NEUTRAL Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 36-54...

  • Page 37: Turbidity Sensor

    Irrespective of the information received, this data is stored to be displayed at the end of the cycle when the rinse aid LED/light will be turned on or off. Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 37-54...

  • Page 38: Failures And Possible Causes

    The system that recognizes the various positions and relative water supplies is underpinned by a mathematical model based on the rotation circumference of the vane. Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 38-54...

  • Page 39: New Drying System With Turbo Dry (Evo 3)

    NEW DRYING SYSTEM WITH TURBO DRY (EVO 3) CHARACTERISTICS The new turbo dry drying system installed on EVO3 consists of a condensation chamber which the motor fan is mounted on. This fan sucks steam from inside the wash compartment and dry air from the wall cavity / wash compartment where the chamber is located thereby facilitating the formation of condensation.
  • Page 40 Merloni Elettrodomestici In this instance drying performance would be significantly impaired and the dishes would not be dried. PROCESSED AIR CONDENSATION NEW DRYER CHAMBER Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 40-54...

  • Page 41: Salt Indicator Light

    Add salt to the salt container before starting the next cycle. N.B. 600cc water SUMP At the start of the next cycle fill the salt container as follows: • Open cap WATER SOFTENER Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 41-54...
  • Page 42 • If you add salt before the 29th cycle, at the 15th for example, the indicator light will still come on at the end of the 29th cycle. Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 42-54...
  • Page 43 The SW triggers the jog-type “filter cleaning” cycle (programme A or B depending on the programme set - see relative table) to rinse the dirt from the filters and enable the main cycle to proceed without the dishwasher registering an alarm. Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 43-54...
  • Page 44 The actuator device consists of the following components: coil A door lever B rocker arm C rinse aid lever D pump E The energised coil engages the door lever opening it. Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 44-54...
  • Page 45 • check if there is rinse aid in the container. • check that the lever is working properly. • check that the pump rises. • check that the coil energises. REAR VIEW DISPENSER Dispenser Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 45-54...

  • Page 46: Evo3 Table Of Alarms

    Merloni Elettrodomestici EVO3 TABLE OF ALARMS DISPLAY ALARM NAME DURATION OF FAULT Programme selector LCD readout Overflow LED 1 LED programme 3 TO 01 9 sec. Solenoid broken LED 2 LED programme 4 TO 02 9 sec. NTC circuit Led 3...
  • Page 47 9 seconds. These 9 seconds start from the moment the pressure switch contacts close. All water fill processes are disactivated, only the drain pump stays on. Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 47-54...
  • Page 48 Filters clogged. AL 05 Inlet SV faulty. SV broken. AL 02 Timer not programmed - Wrong keypad Software recognition error AL 09 Cable or timer problems Communication not possible AL 99 Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 48-54...

  • Page 49: Test And Autotest Cycles

    Make the necessary repair (disconnect dishwasher from power supply) and set a new Autotest cycle to check the outcome. • a beep will sound after a few seconds and the selected trial will start. Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 49-54...

  • Page 50: Reset Code

    6. WASH MOTOR on. 7. 1 litre water filled in-cycle through the TURBINE (4 litres in total), (with wash motor on) 8. pressure switch interrogation (O-C) (with wash motor on) Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 50-54...
  • Page 51 (1.2 litres), it switches the wash motor on and fills water until the in-cycle pressure switch threshold is reached, for a maximum of 153 seconds from energization of the solenoid valve. Probable cause of malfunction: turbine disconnected or faulty. 19.WASH MOTOR switched on Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 51-54...
  • Page 52 20.2 litres water filled in-cycle through the TURBINE (4 litres in total) 21.Pressure switch interrogated (O - C) (with wash motor on) • if C (closed), stops filling • if O (open), fills until pressure switch threshold reached or up to a maximum of 6 litres •...

  • Page 53: Correct Dishwasher Functioning

    Same level as filter removal handle (3.6 litres - 3.8 litres) • Lower rack water pressure 0.26+-0.02 bars, measured in upper water inlet pipe • Upper rack water pressure 0.13+-0.02 bar, measured in top rack/spray arm shaped attachment Service manual Language Issue/Edition Page DISHWASHER EVO3 03-05-20/0 53-54...
  • Page 54 All parts of this document are the property of Merloni Elettrodomestici S.p.A. All rights reserved. The manufacturer will not be held responsible for any error or omissions regarding this manual and all information contained therein. It may not be reproduced, used or extracted either in full or in part unless authorization has been given in writing or by a contractual clause.

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