Doc. Nr.: DSDL_24010_A 2 TECHNICAL DATA GENERAL INFO Voltage – Frequency – Input Power 220-240 V – 50 / 60 Hz – 1450 W ≈ Stand-by Button OFF 0.25 Wh COMPONENTS 220-240 V AC – 48 W – 15 bar Pump Solenoid valve (EV) 220-240 V AC...
Doc. Nr.: DSDL_24010_A 5 WORKING PRINCIPLE 5.1 MICROSWITCHES, SENSORS AND SOLENOID VALVES MICROSWITCHES Function Logic “NC”, it opens when the infuser is in top Detects when the infuser is on top M1 = UPPER MICROSWITCH position position “NO”, it closes when the infuser is in Detects when the infuser is on down M2 = LOWER MICROSWITCH position...
Doc. Nr.: DSDL_24010_A 5.2 ESPRESSO COFFEE PREPARATION Espresso Coffee Preparation steps: 1. The Thermoblock is activated. 2. The Grinder is activated for a certain timing (based on the coffee taste selection). 3. The Infuser moves to the mechanical valve. 4. The Pump is activated for a couple of seconds for pre-infusion. 5.
Doc. Nr.: DSDL_24010_A 5.3 HOT WATER PREPARATION Hot Water Preparation steps: 1. The EV solenoid valve is activated. 2. The Thermoblock is activated. 3. The Pump is activated in fast pulsing mode for a certain timing. 4. The Hot Water is delivered through the hot water accessory attached to the nozzle. 5.
Doc. Nr.: DSDL_24010_A 5.4 MILK FROTH PREPARATION Milk Froth Preparation steps 1. EV solenoid valve is activated. 2. The Thermoblock is activated (temperature set point above 100°C). 3. The Pump is activated in slow pulsing mode for a certain timing. 4.
Doc. Nr.: DSDL_24010_A 6 TEST MODES To activate the test modes proceed as follows: 1. The appliance must be plugged-in and in stand- by mode. 2. Remove the water tank. 3. When the request to insert the water tank prompts on the display, press in sequence the buttons shown in the image.
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Doc. Nr.: DSDL_24010_A Heater Buttons Heater: actives the heater for 5 seconds. Information Vac: indicates the mains voltage. Freq: indicates the mains frequency. Temperature: indicates the temperature measured by the NTC of heater. Power pattern: indicates the absorbed power from 0 to 10. Pump Buttons EV2: activates the solenoid valves.
Doc. Nr.: DSDL_24010_A 6.2 PEN ALM PEN ALM means Pending Alarms. It shows a code for the General Alarm possible causes according to the below table: Load Code Issue Motor The limit micro switches are not pressed but the motor does not move With the motor activated, the DOWN limit micro switch is not released and the speed is 0 The grounds container micro switch is interrupted.
Doc. Nr.: DSDL_24010_A 6.3 DISPLAY TEST MODE After having accessed the test modes as indicated previously, press Display to access the DISPLAY TEST MODE: During the display test mode all the LEDs are OFF. When a button is pressed, a beep is emitted to confirm that the input has been received.
Doc. Nr.: DSDL_24010_A 6.4 RESET ENCODER After having accessed the test mode as indicated, press Reset Encoder to start the RESET ENCODER: The display shows the message Reset Encoder Done when the procedure is finished. 6.5 DEMO MODE The below procedure explains how to start the continuous displaying of the demonstration video on the screen.
Doc. Nr.: DSDL_24010_A 7 TROUBLESHOOTING 7.1 POSSIBLE TESTS WHICH CAN BE EXECUTED FROM THE LOAD TEST MODE 7.1.1 COFFEE CIRCUIT FLOW ACTIVATION 1. Move the infuser to the UP position (MOTOR UP). 2. Activate the pump. The water will pass through the flow meter, the Thermoblock, the mechanical valve, the infuser and will come out from the coffee spouts.
Doc. Nr.: DSDL_24010_A 7.2.3 GROUND CHECK POINT FOR THE APPLIANCE In order to check the main ground connection of the appliance, insert the ground tester probe from the round hole located under the basement of the appliance on the Thermoblock’s side until it will touch the Thermoblock’s metal surface, as displayed in the below picture: [17]...
Doc. Nr.: DSDL_24010_A 7.3 COFFEE TEMPERATURE TEST Complaints from end users about coffee temperature are quite frequent. They are mainly due to incorrect appliance adjustments or to an incorrect expectation by the customer. A coffee temperature measurement is required all the times any of these complaints are encountered. To perform the coffee temperature test, follow in sequence the below steps: 1.
Doc. Nr.: DSDL_24010_A 7.4 FROTHED MILK CONSISTENCY AND TEMPERATURE TEST A frothed hot milk consistency and temperature test can be required whenever the Serviceman is getting complaints from the end user about the quality or the temperature of the hot milk beverages. To perform the frothed hot milk consistency and temperature test, follow in sequence the below steps: 1.
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