Gaggia Accademia Service Manual
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Gaggia Accademia Service Manual

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Service Manual
Revision 00 March 2010
All parts of this document are the property of Saeco International Group.
All rights reserved. This document and all the information herein is provided without liability deriving
from any errors or omissions. Furthermore, no part may be reproduced, used or collected, except where
Rev. 00 / March 2010

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Summary of Contents for Gaggia Accademia

  • Page 1 Service Manual Revision 00 March 2010 All parts of this document are the property of Saeco International Group. All rights reserved. This document and all the information herein is provided without liability deriving from any errors or omissions. Furthermore, no part may be reproduced, used or collected, except where Rev.

  • Page 2: Table Of Contents

    Contents Page Introduction Documentation required Tools and equipment required Material Safety warnings Accademia Range 1.6.1 External machine parts 1.6.2 Internal machine parts Machine parameters and performance User instructions Customer and programming menu Machine indications Operation, cleaning and maintenance Operating logic 4.1.
  • Page 3 7.12 Frother valve assembly 7.13 Dispenser assembly 7.14 Steam pipe assembly 7.16 Carafe board general assembly 7.17 CPU board, display and front panel 7.18 Oetiker clamps Notes Water circuit diagram 10. Electrical diagram GAGGIA ACCADEMIA Rev. 00 / March 2010...

  • Page 4: Introduction

    CHAPTER 1 INTRODUCTION GAGGIA Rev. 00 / March 2010 ACCADEMIA...

  • Page 5: Documentation Required

    ACCADEMIA 01 INTRODUCTION Documentation required The following documentation is required for repairs: Tools and equipment required Besides standard equipment, the following tools are required: Qty. Description Notes Screwdriver Torx T 8 - T 10 - T 20 Pliers for Oetiker clamps...

  • Page 6: Accademia Range

    ACCADEMIA 01 INTRODUCTION 1.5. Accademia Range Accademia Display interface With painted stainless steel parts Milk carafe Clean (automatic milk circuit washing) Automatic dosing (SAS) Cup heater Quantity of dispensed coffee saved in memory Quantity of dispensed milk saved in memory...

  • Page 7: External Machine Parts

    ACCADEMIA 01 INTRODUCTION 1.6.1 External machine parts Cup heater plate Coffee bean Water tank container with lid Compartment for Grinding level pre-ground coffee adjustment Control panel Service hatch Milk container connector Dispenser Hot water/steam dispensing pipe Drip tray+grille Full tray...

  • Page 8: Internal Machine Parts

    ACCADEMIA 01 INTRODUCTION 1.6.2 Internal machine parts Water level capacitive sensor Power Board Multi-way valve Steam boiler Coffee boiler cover Steam pump Water pump Coffee boiler Flow meter Coffee cover presence sensor Coffee grinder Water tank connection Ground coffee Water tank presence/...

  • Page 9: Technical Specifications

    CHAPTER 2 TECHNICAL SPECIFICATIONS GAGGIA Rev. 00 / March 2010 ACCADEMIA...
  • Page 10 ACCADEMIA 02 TECHNICAL SPECIFICATIONS Power supply and output: 240 V~ 50 Hz 1400 W - 230 V~ 50/60 Hz 1400 W - 120 V~ 60 Hz 1500 W - 100 V~ 50/60 Hz 1300 W Temperature monitoring: Variable resistor sensors (NTC)

  • Page 11: Machine Parameters And Performance

    ACCADEMIA 02 TECHNICAL SPECIFICATIONS 2.2. Machine parameters and performance Set by PRODUCT quantity quantity quantity the Production/Service QUANTITY by the user (Puls.) (Puls.) (Puls.) Dept Expresso 130 - 170 * Expresso 200 - 230 * lungo Pre-ground Hot water Continues for 400 pulses...
  • Page 12 ACCADEMIA 02 TECHNICAL SPECIFICATIONS DREG DRAWER Description and values 5 sec. Time-out for dreg drawer Yes, after 12 lots of dregs Warning to empty dreg drawer 15 lots of dregs Empty dreg drawer block alarm (16 lots of dregs) (double expresso as the last dispensed product)

  • Page 13: User Instructions

    CHAPTER 3 USER INSTRUCTIONS GAGGIA Rev. 00 / March 2010 ACCADEMIA...

  • Page 14: Customer And Programming Menu

    ACCADEMIA 03 USER INSTRUCTIONS 3.1. Customer and programming menu Key used to set the machine in stand-by Button to dispense Button to dispense an expresso a cappuccino Button to dispense Button to dispense a coffee a latte macchiato Button to dispense...

  • Page 15: Machine Signals

    ACCADEMIA 03 USER INSTRUCTIONS Dispensing steam 1)Place a container beneath the hot water/ steam dispensing pipe VAPORE 15/01/10 10:38 2)Press button (1) SELEZIONARE ACQUA CALDA O VAPORE Press button (2) to start dispensing 3)Remove the container at the end. Repeat the process to dispense another dose 3.2.

  • Page 16: Operation, Cleaning And Maintenance

    ACCADEMIA 03 USER INSTRUCTIONS 3.3. Operation, cleaning and maintenance Operating the machine Fill the water tank Fill the coffee bean container Switch on the appliance Press to switch on the machine Select the desired language Save Heating Rinse Carries out a rinse cycle of the internal circuits...

  • Page 17: Operating Logic

    CHAPTER 4 OPERATING LOGIC GAGGIA Rev. 00 / March 2010 ACCADEMIA...

  • Page 18: Water Circuit

    ACCADEMIA 04 OPERATING LOGIC 4.1. Water circuit GAGGIA Rev. 00 / March 2010 Page / 11...

  • Page 19: Frother Valve Assembly

    ACCADEMIA 04 OPERATING LOGIC 4.2. Frother valve assembly Air solenoid valve Air inlet Clean solenoid valve (steam) Steam outlet Steam outlet Steam solenoid valve Hot water/steam inlet Hot water/steam solenoid valve Hot water/steam outlet Drain protection of the Drain solenoid valve...
  • Page 20 ACCADEMIA 04 OPERATING LOGIC Functional mode for the production of milk products and cleaning the circuit When the solenoid valves open and let air or hot water/steam through, the following situations occur: DC3+DC2 STEAM + AIR = Frothing and heating of frothed milk...

  • Page 21: Multi-Way Valve

    ACCADEMIA 04 OPERATING LOGIC 4.3. Multi-way valve Drain to the drip tray Needle Drain Functions: Safety valve: opens towards the drain if the pressure exceeds 16-19 bar Filling the circuit circuit by expelling the air in the pipe Draining the unit...

  • Page 22: Coffee Cycle

    ACCADEMIA 04 OPERATING LOGIC 4.4. Coffee cycle Main Switch START STOP Time Coffee grinder Pulses (Dosage) Heating approx.45 sec. Pump Pump action depending on the quantity of the product set Gearmotor Brewing unit Status Heating Ready Coffee cycle Notes: * Only with Pre-brewing...

  • Page 23: Single Microswitch

    ACCADEMIA 04 OPERATING LOGIC 4.5. Single microswitch The gearmotor is activated by a direct current motor that acts on the smaller double toothed wheel via a worm screw. The unit is mounted on the axle of the large toothed wheel and...

  • Page 24: Coffee Grinder

    ACCADEMIA 04 OPERATING LOGIC 4.7. Coffee grinder The coffee grinder is activated by a direct current motor (1) via helicoidal wheel transmission and a worm screw (2). The worm screw (2) activates a plastic toothed wheel (3), which turns the lower grinder blade (4) and the increment pin (5).

  • Page 25: Auto-Learning Dose (Sas)

    ACCADEMIA 04 OPERATING LOGIC Auto-learning dose (SAS) The aim of this function is to automatically adjust the average dose of ground coffee (AUTO- LEARNING); this occurs by means of an algorithm based on three pieces of information detected by the machine board: 1.

  • Page 26: Sbs

    ACCADEMIA 04 OPERATING LOGIC 4.10. SBS SBS Principle - Saeco Brewing System contact time between the coffee and water, alters the extraction and therefore the taste intensity and strength of the coffee. SBS dispensing valve Turning the SBS adjustment knob will trigger...

  • Page 27: Water Level Detection In The Tank

    ACCADEMIA 04 OPERATING LOGIC 4.11 Water level detection in the tank Water absence signal (water reserve) Function: Water tank The water level is monitored by a capacitive sensor, located one third up the water tank wall. If the electronic system detects that the water is below the relative...

  • Page 28: Descaling Request

    ACCADEMIA 04 OPERATING LOGIC 4.13. Descaling request Flow meter pulses (only in appliances equipped with a display) The water hardness is set on the basis of the regional water hardness analysis (1, 2, 3, 4). Filter enabled Filter disabled: If the function is disabled, the electronic system one pulse for every revolution.

  • Page 29: Troubleshooting

    CHAPTER 5 TROUBLESHOOTING GAGGIA Rev. 00 / March 2010 ACCADEMIA...

  • Page 30: Test Mode

    ACCADEMIA 05 TROUBLESHOOTING 5.1. Test mode To enter Test Mode: - Switch on the machine - Wait for the initial progress bar - Press the four function keys in the sequence indicated (1, 2, 3, 4) Entering Test Mode presents a screen divided into sections as shown in the diagram below...
  • Page 31 ACCADEMIA 05 TROUBLESHOOTING Software Version This page provides information regarding the status of the software loaded on to the machine SW CPU: indicates the software version of the CPU 1 Software Version SW KEYB: indicates the software version of the keyboards SWISS: indicates whether the "SWISS"...
  • Page 32 ACCADEMIA 05 TROUBLESHOOTING Hydraulic Circuit This page pertains to the water circuit management CONTROLS PUMP1 COFFEE: if pressed, the coffee boiler pump is activated and if pressed again, it is disabled 3 Hydraulic Circuit PUMP2 WATER&STEAM: if pressed, the steam/hot water boiler...
  • Page 33 ACCADEMIA 05 TROUBLESHOOTING Grinder Unit This page pertains to the coffee grinder and cup heater management. CONTROLS GRINDER GO: if pressed, the coffee grinder is activated. To stop it, press the button again. If it is not stopped, it will grind...
  • Page 34 ACCADEMIA 05 TROUBLESHOOTING Boilers & SteamOutUnit This page pertains to the management of the boilers and the "STEAM OUT" cycle (emptying of the coffee and hot water/steam boiler circuits) Controls 5 Boilers & SteamOut BOILER1 (°C): if pressed, the coffee boiler is activated.

  • Page 35: Diagnosis Mode

    ACCADEMIA 05 TROUBLESHOOTING 5.2. Diagnosis mode To enter Diagnosis Mode: - Switch on the machine - Wait for the initial progress bar - Press the four function keys in the sequence indicated (1, 2, 3, 4) Entering the Diagnosis Mode presents the main eight menu options.
  • Page 36 ACCADEMIA 05 TROUBLESHOOTING ERROR COUNTERS ERROR COUNTERS ERROR LOG: displays the total number of errors that have occurred in ERROR LOG 1 the system. If no errors are present, input "0" in the submenu is disabled. ERROR VECTOR ERROR RESET ERROR VECTOR: select this to display the type of error that has occurred in the system.

  • Page 37: Descaling Cycle

    ACCADEMIA 05 TROUBLESHOOTING ERROR RESET ERROR COUNTERS ERROR LOG 0 ERROR VECTORS ERROR RESET ERROR RESET: press OK to reset all the error counters displayed previously. WATER COUNTERS WATER COUNTERS DESCALING CYCLE BREWING UNIT CLEANING WATER FILTER Provides information regarding maintenance of the water...

  • Page 38: Brewing Unit Cleaning

    ACCADEMIA 05 TROUBLESHOOTING BREWING UNIT CLEANING 4.3.2 BREWING UNIT CLEANING WATER SINCE LAST CYCLE (L) NUMBER OF CYCLE WATER SINCE LAST CYCLE: represents the water consumption in litres since the last unit cleaning cycle. (after each unit cleaning cycle, the value is reset to "0").
  • Page 39 ACCADEMIA 05 TROUBLESHOOTING BREWING UNIT RINSING BREWING UNIT RINSING Indicates the initial rinse activation status when switched on or when exiting the stand-by mode. If this is ON, the rinse cycle is enabled; if it is OFF, the rinse cycle is disabled.
  • Page 40 ACCADEMIA 05 TROUBLESHOOTING HOTWATER FLOWRATE HOTWATER FLOWRATE Indicates the capacity (in litres/hour) of the hot water / steam circuit pump. Press "OK" to edit the setting. The default value is 120. CUP TEMPERATURE 4.a1 CUP TEMPERATURE Indicates the reference temperature in °C of the poured coffee. Press "OK"...

  • Page 41: Error Messages

    ACCADEMIA 05 TROUBLESHOOTING 5.3. Error messages code brief description description the coffee grinder is blocked (jammed grinder blocked coffee grinder blades or sensor is not reading properly) brewing unit blocked in ‘work’ descending time-out exceeded brewing unit blocked in ‘home’...

  • Page 42: Standard Inspections

    CHAPTER 6 STANDARD INSPECTIONS GAGGIA Rev. 00 / March 2010 ACCADEMIA...

  • Page 43: Repair Schedule

    ACCADEMIA 06 STANDARD INSPECTIONS 6.1. Repair schedule Action Visual inspection (damage during transport) Machine data check (plate) Functional check / problem analysis Opening the machine Visual inspection Functional tests Repairing the faults encountered Service activities in accordance with the operating schedule...

  • Page 44: Final Inspection

    ACCADEMIA 06 STANDARD INSPECTIONS 6.3. Final inspection Support/ Test Procedure Standard Tolerance tool 2-3 Expressos for Measuring Expresso Same amount adjustment purposes beaker 2-3 Coffees for Measuring Coffee Same amount adjustment purposes beaker Noise Standard The cream should Amount of...

  • Page 45: Disassembly

    CHAPTER 7 DISASSEMBLY GAGGIA Rev. 00 / March 2010 ACCADEMIA...

  • Page 46: Outer Elements

    ACCADEMIA 07 DISASSEMBLY 7.1. Outer elements Remove the water tank, the coffee container cover, the water drip tray, the coffee dispenser and the carafe. Loosen the screws shown and press inside the slot Remove the connection as shown (connection to the cup heater board)

  • Page 47: Coffee Grinder

    ACCADEMIA 07 DISASSEMBLY 7.2. Coffee grinder Loosen the screws as shown and remove the Lo Lo sound insulating cover of the coffee grinder Lift the coffee grinder Remove the connections shown When reassembling the coffee grinder, make sure the spring is repositioned correctly (see picture) GAGGIA Rev.

  • Page 48: Grinder Blades

    ACCADEMIA 07 DISASSEMBLY 7.3. Grinder blades Press down on the grinder adjuster and turn the upper grinder blade support anti-clockwise until it stops. Turn the grinder blades anticlockwise from the support. Turn the grinder blades clockwise from the from the rear.

  • Page 49: Coffee Grinder Adjustment

    ACCADEMIA 07 DISASSEMBLY 7.4. Coffee grinder adjustment The grinding machine can be adjusted by the user (only with the grinding machine on) by pressing and turning the knob inside the coffee bean container one notch at a time Adjustment knob...

  • Page 50: Steam Pump

    ACCADEMIA 07 DISASSEMBLY 7.5. Steam pump Remove the two pump supports (highlighted) anchored to the structure and disconnect the electrical and water connections 7.6. Coffee pump 1) Loosen the screws as shown 2) Remove the connections from the component support. This process facilitates removing several components (coffee pump, boiler, etc.)

  • Page 51: Power Board

    ACCADEMIA 07 DISASSEMBLY 7.8. Power Board 1)Loosen the screws as shown and 2)Loosen the screws as shown and remove the board cover remove all the electrical connections 7.9. Steam boiler Remove the screws as shown Loosen the screw as shown and remove...

  • Page 52: Gearmotor

    ACCADEMIA 07 DISASSEMBLY 7.11 Gearmotor Loosen the screws as Loosen the screws as shown and Loosen the screws as shown and shown and remove the remove the boiler pin remove the frothing valve protection boiler pin Loosen the screws as shown and...

  • Page 53: Frother Valve Assembly

    ACCADEMIA 07 DISASSEMBLY 7.12. Frother valve assembly Loosen the screws as shown Loosen the screws as shown, making sure that the frothing valve does and remove the frothing valve not fall and damage the connections protection Disconnect the electrical and water connections 7.13.

  • Page 54: Steam Pipe Assembly

    ACCADEMIA 07 DISASSEMBLY 7.14 Steam pipe assembly Remove the fork spring and the steam pipe washer and disconnect the Loosen the screws as shown to remove the inner cover of the front panel Loosen the screws shown and Loosen the screws as shown...

  • Page 55: Carafe Board General Assembly

    ACCADEMIA 07 DISASSEMBLY 7.16 Carafe board general assembly Loosen the screw as shown 1) Magnet to improve carafe adherence to the door 2,3,4) Carafe presence and position sensors 5) Carafe board 7.17 CPU board, display and front panel Loosen the screws as shown to...
  • Page 56 ACCADEMIA 07 DISASSEMBLY Remove the Display board by unhooking it from the support Loosen the screws as shown to remove the KBD STAND-BY board Loosen the screws as shown to remove the KBD MENU board Exploded view of the front panel...

  • Page 57: Oetiker Clamps

    ACCADEMIA 07 DISASSEMBLY 7.18. Un/installing Oetiker clamps 1) Boiler connection 2) Other connections Replacing the pipes 1) Use a suitable pair of pliers to remove the clamp (as shown in the picture) 2) Tighten the clamp as shown in the...

  • Page 58: Notes

    CHAPTER 8 NOTES GAGGIA Rev. 00 / March 2010 ACCADEMIA...
  • Page 59 ACCADEMIA 08 NOTES GAGGIA Rev. 00 / March 2010 Page / 01...

  • Page 60: Water Circuit Diagram

    CHAPTER 9 WATER CIRCUIT DIAGRAM GAGGIA Rev. 00 / March 2010 ACCADEMIA...
  • Page 61 ACCADEMIA 09 WATER CIRCUIT DIAGRAM GAGGIA Rev. 00 / March 2010 Page / 01...

  • Page 62: Electrical Diagram

    CHAPTER 10 ELECTRICAL DIAGRAM GAGGIA Rev. 00 / March 2010 ACCADEMIA...
  • Page 63 ACCADEMIA 10 ELECTRICAL DIAGRAM GAGGIA Rev. 00 / March 2010 Page / 01...

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