Download
Share
Print this page
Kuppersbusch EDW 503 Series Functions
  1. Manuals
  2. Brands
  3. Kuppersbusch Manuals
  4. Dishwasher
  5. EDW503
  6. Functions
Kuppersbusch EDW 503 Series Functions

Kuppersbusch EDW 503 Series Functions

Hide thumbs Also See for EDW 503 Series:

Advertisement

Quick Links

Download this manual
Dishwasher series EDW 503
Diva 45-60-BIG
Functionalities

Advertisement

loading
Need help?

Need help?

Do you have a question about the EDW 503 Series and is the answer not in the manual?

Questions and answers

Related Manuals for Kuppersbusch EDW 503 Series

Summary of Contents for Kuppersbusch EDW 503 Series

  • Page 1 Dishwasher series EDW 503 Diva 45-60-BIG Functionalities...
  • Page 2 Service Manual: H7-74-03F F.S. - Free-standing B. I. - Built-in F. I. - Fully integrated Product identification Code for the production numbers used for the various models (PNC) First 3 figures Product line DISHWASHER 911 xxx xxx 4th figure Group DIVA 45 cm 9 place settings 911 6 x x xxx...
  • Page 3 Service Manual DIVA - EDW 503 Contents General information ....................... 5 Purpose of this manual..................5 Precautions ......................5 General characteristics..................6 Control panel ........................7 Control panel ......................7 2.1.1 On/Off button (S0)..................8 2.1.2 Option selection button (S1)..............8 2.1.3 Programme selection button (S2) .............
  • Page 4 Service Manual DIVA - EDW 503 Drying ..........................21 Alarms..........................22 Table of alarm codes ................... 22 User mode ........................24 Regeneration selection ..................24 Buzzer ......................... 25 Service mode ........................ 26 Activating the Service diagnostics mode ............. 26 Reading the alarms and activating the individual components......26 Cancelling alarm codes from memory / test of LEDs ..........
  • Page 5 Service Manual DIVA - EDW 503 General information Purpose of this manual The purpose of this manual is to provide service personnel (who already have the basic knowledge necessary for repairing dishwashers) with information on dishwashers equipped with the EDW503 electronic control system, which are produced in the Solaro (MI - Italy) factory.
  • Page 6 Service Manual DIVA - EDW 503 General characteristics Power supply 230 V / 50 Hz (limits 187-254 V) Total power absorption 2200 W Heating element 2000 W Mains water supply Pressure min./max. 5 - 80 N/cm² Capacity 9 (45 cm) 12 (60 cm) place settings Consumption (prog.
  • Page 7 Service Manual DIVA - EDW 503 Control panel Control panel [S0] On/Off button (always featured) [S1] Option selection button (only on some models) [S2] Programme selection button (sequence) [LD1] – LED Option Led activated (only on some models) [LD2]- … - [LD6] Washing programme LEDs [LD7] …...
  • Page 8 Service Manual DIVA - EDW 503 2.1.1 On/Off button (S0) All models feature this button and it is used to switch on and off the appliance: the switching off does not cause the cancellation of the current programme. When the appliance is switched on, only the End of cycle LED is on and in case, if featured, the Salt and Rinse aid LEDs.
  • Page 9 Service Manual DIVA - EDW 503 Programm change 2.3.1 Cancelling a programme To cancel a programme that has already started: Press button S2 for at least 3 seconds. The LED of the current programme flashes. Salt/Rinse-aid LEDs light up (if featured): the programme is cancelled and the appliance returns to preselection mode.
  • Page 10 Service Manual DIVA - EDW 503 Sequence of operation Programme selection / Options Open the appliance door to get access to the operating panel. Switch on the appliance with button S0. • The End of cycle LED flashes every 2sec for 0.5sec. •...
  • Page 11 Service Manual DIVA - EDW 503 Cancelling the cycle To cancel a programme in progress: • Open the door and press button S2 for about 3 seconds. The LEDs LD7 – 8 – 9 light up (if featured). • The LD1 – 2 LEDs switch off and the previous settings are cancelled.
  • Page 12 Service Manual DIVA - EDW 503 Hydraulic circuit 1 - Fill hose 10 - Level pressure switch 2 - Fill hose with Aqua Stop 11 - Anti-overflow pressure switch 3 - Fill solenoid 12 - Sump assembly 4 - Regeneration solenoid 13 - Wash pump 5 - Air-Break 14 - Tube-enclosed heating element...
  • Page 13 Service Manual DIVA - EDW 503 Electrical components and functions EDW 503 Electronic control system The EDW 503 control system consists of a main circuit board and a control/display board. Both boards are housed in a plastic container (fig. 1). The On/Off function is performed by the button S0. 4.1.1 Functions of the circuit board The circuit board...
  • Page 14 Service Manual DIVA - EDW 503 4.1.2 Memory in the control system The main circuit board features an EEPROM memory (external to the microprocessor) which stores in memory data relative to the configuration, description of the cycle, cycle status in case of a power failure, and any alarm conditions.
  • Page 15 Service Manual DIVA - EDW 503 4.2.3 NTC temperature sensor NTC Comparative values Nominal value Ω Temperature °C 9655 4850 1205 Power supply and programme selection The main board is powered by the closure of contacts. The connectors used are B2 (neutral) and B1 (line).
  • Page 16 Service Manual DIVA - EDW 503 4.4.3 Anti-flooding device Intervention of the anti-flooding device causes the contacts of the microswitch (DA) to open, thus disconnecting the solenoid valve from the power supply. 4.4.4 Intervention of the anti-overflow system If the anti-overflow pressure switch (PA) should intervene, the closure of the contact on FULL (1-3) powers the drain pump (PS).
  • Page 17 Service Manual DIVA - EDW 503 4.6.1 Static fill time T.S. = max 90 seconds: This is the maximum time within which the pressure switch must switch to FULL. If the FULL signal is not received from the pressure switch within this time, the electronic control system interrupts the washing cycle and the appliance enters alarm condition [1 0].
  • Page 18 Service Manual DIVA - EDW 503 4.8.1 Control of the washing pump The washing pump (PL) is powered by the electronic control (connector D3-D11). Heating The heating element is enclosed in a protective tube, and is used to heat the washing water (but does not switch on during the drying phase).
  • Page 19 Service Manual DIVA - EDW 503 4.10 “Siphon” effect If the drain tube is incorrectly positioned, the so- called “siphon effect” may occur, in which case an alarm is displayed iF0 (see “Table of alarm codes” on page 22). The problem is particularly likely to occur during execution of the “declaration cycle”: although the drain pump shuts down at the end of the (partial) drain phase, water continues to be expelled from...
  • Page 20 Service Manual DIVA - EDW 503 4.12 Resin washing Washing of the resins contained in the softening system is performed at the beginning of each washing cycle. In practise, the solution of salty water (regeneration water) remains deposited in the resin container from the end of the last completed cycle until the subsequent cycle.
  • Page 21 Service Manual DIVA - EDW 503 Drying In these dishwashers, the dishes are dried by means of a steam condensation process. The drying system is based on the circulation of the hot air produced during the hot rinse, in which the steam circulates inside the condenser of the fill tank.
  • Page 22 Service Manual DIVA - EDW 503 Alarms When an abnormal situation occurs that may interfere with machine functioning, the main board activates a safety system which in most cases interrupts the washing cycle. The last three alarm situations are stored in memory. Using a special procedure, service personnel can display all the alarms stored in memory.
  • Page 23 Service Manual DIVA - EDW 503 Type No. of flashes Displayed of end-of-cycle Description of the alarm condition Machine status Possible causes to the user alarm Heating time-out (the check takes place The programme continues to the end Heating element faulty; intervention of safety thermostats every 3 minutes: the temperature must without heating (the washing result will (open);...
  • Page 24 Service Manual DIVA - EDW 503 User mode With this procedure it is possible to: • Modify the regeneration level selection (depending on the water hardness) • Activate or deactivate the buzzer signalling. Regeneration selection Press button S0 to switch on the dishwasher. •...
  • Page 25 Service Manual DIVA - EDW 503 Buzzer The buzzer is a device which generates acoustic signals to indicate the End of cycle and eventually an Alarm situation. These signals can be excluded through a button combination: Press button S0 to switch the appliance on. •...
  • Page 26 Service Manual DIVA - EDW 503 Service mode With this procedure it is possible to access the Service Diagnostics System. Once this mode is accessed, it is possible to: read and cancel the alarms. control the operation of the various components of the appliance. Activating the Service diagnostics mode Press and hold down button S2.
  • Page 27 Service Manual DIVA - EDW 503 Cancelling alarm codes from memory / test of LEDs It is good practise to cancel the alarm memorised: after reading the alarm code, to check whether it is repeated during the diagnostics test. after repairing the appliance, to check whether it is repeated during the testing cycle. To activate the function, after entering the diagnostics mode: Press button S2, before L3 and L4 switch off.
  • Page 28 Service Manual DIVA - EDW 503 8.4.2 Cycle phases temperature Phase Duration Water fill, Turbo activation 30'' Continuous washing, dispenser 45’’ opening Drain dilution Water fill Continuous washing 60’’ time Drain dilution Water fill Controlled washing 2600 rpm, heating at 60°C Controlled washing 2600 rpm, 1200’’...
  • Page 29 Service Manual DIVA - EDW 503 Electrical functions Electrical circuit diagram...
  • Page 30 Service Manual DIVA - EDW 503 Basic circuit diagram...
  • Page 31 Service Manual DIVA - EDW 503 9.2.1 Key to circuit diagram = Orange = White = Blue = Light blue GI-VE = Yellow-Green = Brown = Black = Pink = Lilac = Anti-flooding device = Capacitor = Detergent/ Rinse-aid dispenser = Fill solenoid = Regeneration solenoid Suppressor...
  • Page 32 Service Manual DIVA - EDW 503 Table of programmes The table below lists the phases of the programmes for this type of appliance. As these can be configured differently, refer to the relative documentation for the specific cycles available for each model. Programmes Pre-wash Wash...
  • Page 33 Service Manual DIVA - EDW 503 Checking the efficiency of the components In order to facilitate the control procedure for the components to be tested, a TEST PROCEDURE has been created which indicates the point to which the probes of the tester should be applied and the correct theoretical value for each component tested.
  • Page 34 Service Manual DIVA - EDW 503 Measurement points on the board wiring connectors LIST OF COMPONENTS PROBE CONTACTS CORRECT VALUES NOTES ⇒ ⇔ 25 Ω ± 8% (RR) - heating element + (TS) connected in series - safety thermostat (2100W) ⇒...
  • Page 35 Service Manual DIVA - EDW 503 Quick guide to the special functions The table below briefly describes how each of the special functions available to the user and to the Service Engineer can be used. Starting the Displaying of Function Activation of the function function the function...

This manual is also suitable for:

Diva 45Diva 60Diva 45 bigDiva 60 big