DeLonghi PRIMADONNA CLASS EVO ECAM550.65 Service Manual
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DeLonghi PRIMADONNA CLASS EVO ECAM550.65 Service Manual

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Doc. Nr.: DSDL_21012_A
Data Sheet and Service Manual
PRIMADONNA CLASS EVO ECAM550.65, ECAM550.85 (INT)
Date: 13.09.2021
ENGLISH

TABLE OF CONTENTS:

1. TECHNICAL DATA ................................................................................................................................... 2
2. HYDRAULIC DIAGRAM ........................................................................................................................... 3
3. ECAM550.65: WIRING DIAGRAMS ....................................................................................................... 4
4. ECAM550.85: WIRING DIAGRAMS ....................................................................................................... 6
5. WORKING PRINCIPLE............................................................................................................................. 8
6. SELECT TEST MODE ............................................................................................................................ 12
7. APPLIANCE DIAGNOSTICS ................................................................................................................. 17
[1]

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Summary of Contents for DeLonghi PRIMADONNA CLASS EVO ECAM550.65

  • Page 1: Table Of Contents

    Doc. Nr.: DSDL_21012_A Data Sheet and Service Manual PRIMADONNA CLASS EVO ECAM550.65, ECAM550.85 (INT) Date: 13.09.2021 ENGLISH TABLE OF CONTENTS: 1. TECHNICAL DATA ........................... 2 2. HYDRAULIC DIAGRAM ........................... 3 3. ECAM550.65: WIRING DIAGRAMS ....................... 4 4. ECAM550.85: WIRING DIAGRAMS ....................... 6 5.

  • Page 2: Technical Data

    Doc. Nr.: DSDL_21012_A 1. TECHNICAL DATA Voltage 220-240V / 50-60 Hz MAX. Input power 1450 W COMPONENTS ARS CP04 220-240Vac - 70W – Bar 19 Pump Grinder motor 230Vac Transmission motor 230Vdc with position encoder Solenoid valves EV1, EV2, EV3 230Vac Thermoblock Temperature probe...

  • Page 3: Hydraulic Diagram

    Doc. Nr.: DSDL_21012_A 2. HYDRAULIC DIAGRAM...

  • Page 4: Ecam550.65: Wiring Diagrams

    Doc. Nr.: DSDL_21012_A 3. ECAM550.65 - WIRING DIAGRAMS...
  • Page 5 Doc. Nr.: DSDL_21012_A CAPTION: M1: Upper Micro Switch (Transmission Group) M2: Lower Micro Switch (Transmission Group) M3: Drawer Micro Switch M4: Water Tank Micro Switch M5: IFD (Milk Jug) Presence Micro Switch M6: Hot Water Pipe / Cleaning Micro Switch EV1: 3-Ways Solenoid Valve EV2: 3-Ways Solenoid Valve EV3: 2-Ways Solenoid Valve...

  • Page 6: Ecam550.85: Wiring Diagrams

    Doc. Nr.: DSDL_21012_A 4. ECAM550.85 - WIRING DIAGRAMS...
  • Page 7 Doc. Nr.: DSDL_21012_A CAPTION: M1: Upper Micro Switch (Transmission Group) M2: Lower Micro Switch (Transmission Group) M3: Drawer Micro Switch M4: Water Tank Micro Switch M5: IFD (Milk Jug) Presence Micro Switch M6: Hot Water Pipe / Cleaning Micro Switch EV1: 3-Ways Solenoid Valve EV2: 3-Ways Solenoid Valve EV3: 2-Ways Solenoid Valve...

  • Page 8: Working Principle

    Doc. Nr.: DSDL_21012_A 5. WORKING PRINCIPLE 5.1. MICRO SWITCHES, SENSORS AND SOLENOID VALVES MICRO SWITCHES Function Logic “NC”, it opens when the infuser is in top M1 = UPPER MICRO SWITCH Detects when the infuser is on top position position “NO”, it closes when the infuser is in down M2 = LOWER MICRO SWITCH Detects when the infuser is on down...
  • Page 9 Doc. Nr.: DSDL_21012_A 5.2. ESPRESSO COFFEE DELIVERY Cold water Hot water Coffee Discharge Espresso coffee delivery stages: EV1 solenoid valve is activated Thermoblock is activated Grinder is activated for a certain timing (based on the coffee taste selection) Infuser moves to the mechanical valve Pump is activated for a couple of seconds for pre-infusion Pump restarts for coffee delivering Pump and thermoblock stop, EV1 closes...
  • Page 10 Doc. Nr.: DSDL_21012_A 5.3. HOT WATER DELIVERY Cold water Hot water Discharge Hot water delivery stages: EV1, EV2 and EV3 are activated Thermoblock is activated Pump is activated in fast pulsing mode for a certain timing Hot water is delivered through the hot water spout connected to the nozzle Pump stops, thermoblock, EV1, EV2 and EV3 are deactivated [10]...
  • Page 11 Doc. Nr.: DSDL_21012_A 5.4. MILK FROTH PREPARATION Cold water Steam Discharge Milk froth delivery stages: EV2 is activated Steamer is activated Pump is activated in slow pulsing mode for a certain timing The steam is injected from the nozzle into the milk jug and mixed with the air (according to the milk froth knob position) to froth the milk EV2, steamer and pump are deactivated Milk jug cleaning stages:...

  • Page 12: Select Test Mode

    Doc. Nr.: DSDL_21012_A 6. SELECT TEST MODE With the appliance in stand-by (plug connected to the power supply socket), remove the drip tray, then hold the below buttons pressed simultaneously: Hold the four buttons pressed until the screen will display the below possible selections: Then, within 10 seconds, re-insert the drip tray and select one of the possible selections displayed.
  • Page 13 Doc. Nr.: DSDL_21012_A 6.1. LOAD TEST MODE After having entered the SELECT TEST MODE function with the above steps, access the LOAD TEST MODE through the dedicated button: Press one of the below buttons to activate the corresponding load of the coffee machine: NOTE: The loads can be activated simultaneously, therefore it is allowed for example to activate the pump together with the solenoid valves.
  • Page 14 Doc. Nr.: DSDL_21012_A 6.2. DISPLAY TEST MODE After having entered the SELECT TEST MODE function with the above steps, access the DISPLAY TEST MODE through the dedicated button: Press each button to check the corresponding reaction shown by means of a dedicated message (BUTTON 1, BUTTON 2, etc.) on the display: IMPORTANT NOTICE: The execution of the DISPLAY TEST MODE will reset the language setting and will put the appliance back to first use mode, thus forcing it to ask again for water circuit filling.
  • Page 15 Doc. Nr.: DSDL_21012_A 6.3. ENCODER RESET After having entered the SELECT TEST MODE function with the above steps, press the dedicated button to perform the RESET ENCODER operation to reset the value of the maximum height of the infuser in the transmission group: The appliance will display the message RESET ENCODER DONE on the screen and, after a few seconds, it will power OFF: IMPORTANT: To complete the encoder reset procedure, start the appliance normally and force it to...
  • Page 16 Doc. Nr.: DSDL_21012_A 6.4. ENERGY SAVING After having entered the SELECT TEST MODE function with the above steps, press the dedicated button to access the ENERGY SAVING MODE: The appliance will display the below page which will allow to set or change the default state (ON or OFF) for the energy saving mode: 6.5.

  • Page 17: Appliance Diagnostics

    Doc. Nr.: DSDL_21012_A 6.6. SELECT STEAMER AND ELECTRIC TEST MODE The SELECT STEAMER and the ELECTRIC TEST MODE are only for manufacturing line purposes, they are not intended to be used for service purposes. IMPORTANT NOTICE! Any misuse of these two function would prevent the appliance from working properly.
  • Page 18 Doc. Nr.: DSDL_21012_A 7.2. ELECTRIC CHECKS DIRECTLY ON THE COMPONENTS A. HEATING ELEMENTS RESISTANCE CHECK Thermoblock resistance value: ≈ 38 Ohms. Steamer resistance value: ≈ 45 Ohms. B. RESISTANCE/TEMPERATURE CHARACTERISTICS FOR THE THERMOBLOCK NTC SENSORS [18]...
  • Page 19 Doc. Nr.: DSDL_21012_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: ...
  • Page 20 Doc. Nr.: DSDL_21012_A 7.4. FROTHED MILK CONSISTENCY AND TEMPERATURE TEST A frothed 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 milk beverages. To perform the frothed milk consistency and temperature test, follow in sequence the below steps: ...

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Primadonna class evo ecam550.85

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