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Saeco GranBaristo Service Manual
All parts of this document are the property of Saeco International Group.
All rights reserved. Th
is 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 express authorisation has been provided in writing or through a contractual agreement.
Published by Saeco International Group
Subject to modifi cation
EN 4219 400 00022
Service
Service
Service
Service
Coff ee Machine
GranBaristo
GranBaristo Avanti
2013-Sept.-02
Service
Service
Manual
Manual
Rev. 02 July 2014
TECHNICAL INFORMATION
Power supply and output:
240 V~ 50 Hz 1900W - 230 V~ 50/60 Hz 1900 W 120 V~ 60 Hz 1300 W
Temperature monitoring:
(NTC) variable resistor sensor - transmits the value to the electronic card
Safety system:
2 thermostats at 190°C one shot
Coff ee heat exchanger output: Stainless steel
for coff ee, hot water and steam dispensing
(230 V~) 1900 W - (120 V~) 1300 W - (100 V~) 1100 W
Dimensions: W x H x D in mm:
210 x 360 x 460 mm
Stand-by power consumption
< 0,5W
Weight:
13 kg
Water tank capacity:
1.7 l
Coff ee bean hopper capacity:
270 g. of coff ee beans
Dreg drawer capacity:
20
Heating time:
Approx. 45 sec.
Water circuit fi lling time:
Approx. 15 sec Max. on fi rst fi lling cycle
Power consumption:
During heating phase- approx. 5.6 A
Automatic dosage:
Dose adjustment controlled by the electronic system
Material
Housing
ABS/ABS+PMMA/METAL
Beans container
ABS
Water tank
SAN
Dreg drawer
ABS
Summary of GranBaristo
Page 1
All parts of this document are the property of saeco international group. All rights reserved. Th is 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 express authorisat...
Page 2
Gran baristo modifications to service manual from rev. To rev. Chapter inserted modifi ed rev.00 rev.01 02 par.2.4 how to check for oil leaka- ge in piston assembly. 05 par. 5.1.1. Test mode granbaristo rev.01 rev.02 01 par. 1.6.1. External machine parts par. 1.6.2.Internal machine parts 02 par. 2.1...
Page 3: Chapter 1
Gran baristo chapter 1 introduction.
Page 4
Gran baristo 01 introduction page / 04 1.1 documentation required the following documentation is needed for repair procedures: • instruction booklet for specifi c model • technical documentation for specifi c model (diagrams, exploded view, sympton cure and service manual) 1.2 tools and equipment re...
Page 5
Gran baristo 01 introduction page / 04 02 1.5 service policy grid as used for coffee machine components assembly use single components available coffee grinder only for oow repairs yes, to consult the specifi c exploded-view of the machine or of the coffee grinder on website brewing unit only for oo...
Page 6
Gran baristo 01 introduction page / 04 1.6.1 external machine parts pre-ground coffee compartment coffee bean hopper locking/removal selector switch (depending on the model) removable coffee bean hopper lid (depending on the model) water tank + lid power cable socket and main switch milk carafe atta...
Page 7
Gran baristo 01 introduction page / 04 “espresso” button “coffee” button “american coffee” button “cafè crème” button “aroma” pre-ground coffee button “espresso macchiato” button “cappuccino” button “latte macchiato” button “hot milk” button “esc” button “ok” button “menu” button “special beverages”...
Page 8: Chapter 2
Gran baristo chapter 2 technical specifications.
Page 9
Gran baristo 02 technical specifications page / 06 2.1. Technical specifi cations power supply and output: 240 v~ 50 hz 1900w - 230 v~ 50/60 hz 1900 w 120 v~ 60 hz 1300 w temperature monitoring: (ntc) variable resistor sensor - transmits the value to the electronic card safety system: 2 thermostats ...
Page 10
Gran baristo 02 technical specifications page / 06 02 2.2.1. Specifi cation for the measurement of the coffee products temperature. The temperature is infl uenced by the fl ow from the dispenser and stratifi cation of temperatures in the glass. In order to consider these phenomena and to introduce m...
Page 11
Gran baristo 02 technical specifications page / 06 03 2.2.2. Specifi cation for the measurement of the milk products temperature. Milk evaluation to carry out the test, a partially skimmed uht milk with a percentage of grease between 1.5- 1.8% at a refrigerator temperature trefr. (between 4 to 10°c)...
Page 12
Gran baristo 02 technical specifications page / 06 how to measure the milk cream. The temperature (trefr or tamb) of the milk doesn’t affect as much the test result on measuring the milk cream; by convection is assumed to always use milk at refrigerator temperature trefr. Manual systems (pannarello)...
Page 13
Gran baristo 02 technical specifications page / 06 2.3. Machine parameters and performance product quantity minimum water quantity (ml) maximum water quantity (ml) default water quantity (ita) (ml) default water quantity (eng) (ml) milk length (sec) aroma americancoffee 110 320 170 170 3 = regular e...
Page 14
Gran baristo 02 technical specifications page / 06 in case of return because the machine indicates no coffee one of the causes could be the loss of oil from the piston assembly. To check this, proceed as follows: to enter test mode when the display is turning on, press the key- board buttons in the ...
Page 15: Chapter 3
Gran baristo chapter 3 user instructions.
Page 16
Gran baristo 03 user instructions page / 05 3.1.1. Customer menu in the gran baristo avanti 01 display messages “espresso” button “long espresso ” button “coffee” button “aroma” pre-ground coffee button “espresso macchiato” button “cappuccino” button “latte macchiato” button “hot milk” button “esc” ...
Page 17
Gran baristo 03 user instructions page / 05 02 water circuit priming restart to solve change filter the machine needs the “intenza+” water fi lter to be replaced. The machine is priming the water circuit. Wait for this operation to be over. Download the application on your mobile device to access th...
Page 18
Gran baristo 03 user instructions page / 05 bluetooth enable bluetooth pin code address enable bluetooth off on enable bluetooth off on bluetooth enable bluetooth pin code address note: to exit the menu, press the “ ” button. Press “ ” to confi rm. The bluetooth device is now active. Write down the ...
Page 19
Gran baristo 03 user instructions page / 05 3.1.2. Customer menu in the gran baristo. Display messages “espresso” button “coffee” button “american coffee” button “cafè crème” button “aroma” pre-ground coffee button “espresso macchiato” button “cappuccino” button “latte macchiato” button “hot milk” b...
Page 20
Gran baristo 03 user instructions page / 05 cleaning and technical servicing a empty the dregs drawer when indicated b empty the drip tray as necessary c clean the water tank weekly d clean the coffee bean hopper as necessary e clean the casing as necessary f clean the brewing unit every time the co...
Page 21: Chapter 4
Gran baristo chapter 4 operating logic.
Page 22
Gran baristo 04 operating logic page / 06 01 steam compensation valv e water outlet flow -meter boiler w ater hot w ater /steam compensation v alv e w ater outlet pump brewing unit 4.1.1. Water circuit granbaristo w ater tank.
Page 23
Gran baristo 04 operating logic page / 06 02 4.1.2. Milk carafe 1) steam input 2)bring the cappuccino maker into dispensing position 3) milk tank 1 2 the milk is heated by the steam and taken towards the emulsion chamber where it is mixed with air and transformed into foam the steam passes through t...
Page 24
Gran baristo 04 operating logic page / 06 notes: * only with pre-brewing 4.2. Coffee cycle switching on when the machine is switched on, the gear motor repositions itself as follows: - it acts on microswitch 1 (see following chapter). - the gear motor changes its rotation direction and moves upwards...
Page 25
Gran baristo 04 operating logic page / 06 an ntc is used as a temperature sensor; in the event of overheating this reduces boiler element power consumption. The electronic system detects the current boiler temperature from the drop in voltage of the sensor and adjusts it accordingly. Heating element...
Page 26
Gran baristo 04 operating logic page / 06 4.5. Coffee grinder the coffee grinder is driven by a direct current motor (1) using a worm screw helicoidal wheel transmission (2). The worm screw (2) drives a plastic gear wheel (3), which turns the lower grinder (4) and the increment pin (5) 05 4.6. Water...
Page 27
Gran baristo 04 operating logic page / 06 06 “descaling” – message with water fi lter inserted (appliances with display only) the water hardness is set on the basis of the regional water hardness analysis (1, 2, 3, 4). Filter off: if the function is turned off the electronics assembly monitors the f...
Page 28: Chapter 5
Gran baristo chapter 5 troubleshooting.
Page 29
Gran baristo 05 troubleshooting page / 18 5.1.1. Test mode gran baristo avanti 4 3 2 1 to enter test mode when the display turns on, press the keyboard buttons in the order described below: description when the machine is in factory test mode appears a windows divided in several sectors: the fi rst ...
Page 30
Gran baristo 05 troubleshooting page / 18 activation of loads in test mode all loads are initially disabled. To activate a load press the corresponding button on keyboard, to deactivate press again the same button. Other conditions for which a load may be switched off automatically without key press...
Page 31
Gran baristo 05 troubleshooting page / 18 brew unit work home ma: 0 0 ev oil rst 4000 ddr h/w door pres encoder pulses home-work max brew unit current dreg counter 4000 = empty 0 = full keyboard brew unit keyboard xx.Yy.Zz key 1 key 2 key 5 key 6 key 3 key 4 key 7 key 8 s1 s2 s3 s4 this page allow t...
Page 32
Gran baristo 05 troubleshooting page / 18 hydr circuit boiler ev s p/s 0 pump ev d ^ ^ 25 tank dtray 50 hz boliler temperature (°c) mains voltage supply frequency hydaulic circuit this page allow to test the functionality of hydraulic circuit: info: ma: indicates the maximum current (in ma) absorbed...
Page 33
Gran baristo 05 troubleshooting page / 18 05 grinder display this page allow to test the functionality of grinder: this page allow to change display settings (brightness and contrast): the meaning of the sectors are the following: command: a1: selected coffee strength. If pressed change the current ...
Page 34
Gran baristo 05 troubleshooting page / 18 bluetooth press up ( ): go to next page bluetooth xxxxxxxxxxxxx i/o on vx.X conn ^ ^ ^ ^ data exchange with remote device in progress bluetooth status (on/off) bluetooth mac address bluetooth module fw version this page allow to check the bt module the meani...
Page 35
Gran baristo 05 troubleshooting page / 18 steam out this page allow to execute the steam out process: the meaning of the sectors are the following: command: start: start the steamout process. At the end of process appears: switch off at the bottom of the display (so it’s possible to restart the mach...
Page 36
Gran baristo 05 troubleshooting page / 18 5.1.2. Test mode gran baristo 08 to enter test mode when the display turns on, press the keyboard buttons in the order described below: description when the machine is in factory test mode appears a windows divided in several sectors: the fi rst row of each ...
Page 37
Gran baristo 05 troubleshooting page / 18 09 activation of loads in test mode all loads are initially disabled. To activate a load press the corresponding button on keyboard, to deactivate press again the same button. Other conditions for which a load may be switched off automatically without key pr...
Page 38
Gran baristo 05 troubleshooting page / 18 10 brew unit work home ma: 0 0 ev oil rst 4000 ddr h/w door pres encoder pulses home-work max brew unit current dreg counter 4000 = empty 0 = full keyboard brew unit keyboard xx.Yy.Zz key 1 key 2 key 5 key 6 key 3 key 4 key 7 key 8 s1 s2 s3 s4 this page allo...
Page 39
Gran baristo 05 troubleshooting page / 18 11 hydr circuit boiler ev s p/s 0 pump ev d ^ ^ 25 tank dtray 50 hz boliler temperature (°c) mains voltage supply frequency hydaulic circuit this page allow to test the functionality of hydraulic circuit: info: ma: indicates the maximum current (in ma) absor...
Page 40
Gran baristo 05 troubleshooting page / 18 12 grinder display this page allow to test the functionality of grinder: this page allow to change display settings (brightness and contrast): the meaning of the sectors are the following: command: a1: selected coffee strength. If pressed change the current ...
Page 41
Gran baristo 05 troubleshooting page / 18 13 steam out this page allow to execute the steam out process: the meaning of the sectors are the following: command: start: start the steamout process. At the end of process appears: switch off at the bottom of the display (so it’s possible to restart the m...
Page 42
Gran baristo 05 troubleshooting page / 18 14 5.1.3. Diagnostic mode gran baristo/gran baristo avanti to enter diagnostic mode when the display turns on, press the keyboard buttons in the order described below: menu structure 4 3 2 1 diagnostic mode 1. Product counters (default values 0) espresso caf...
Page 43
Gran baristo 05 troubleshooting page / 18 detailed description of the diagnosis menu 1. Product counters “product counters” represents the total number of deliveries performed by the machine for each product from the production. 2. Error counters “error counters” displays the total number of errors ...
Page 44
Gran baristo 05 troubleshooting page / 18 coffee temp. Sensor short circuit (e10): occurs when the temperature of the coffee boiler sensor is short-circuited. This error causes a total shutdown of the machine to start up. Coffee temp. Sensor open circuit (e11): occurs when the temperature of the cof...
Page 45
Gran baristo 05 troubleshooting page / 18 number of execution: represents the number of cleaning cycles performed on the machine group. Liters since last clean: represents the total number of gallons of water consumed since the last cleaning cycle group. It is reset after the execution of a complete...
Page 46
Gran baristo 05 troubleshooting page / 18 error error codes codes description description 01 01 grinder blocked 03 03 brewing unit blocked work 04 04 brewing unit blocked home 05 05 water circuit interrupted 06 06 dc valve short circuit 10 10 coffee temp. Sensor short circuit 11 11 coffee temp. Sens...
Page 47: Chapter 6
Gran baristo chapter 6 standard checks.
Page 48
Gran baristo 06 standard checks page / 02 01 action 1 visual inspection (transport damage) 2 machine data check (rating plate) 3 operational check / problem analysis 4 opening machine 5 visual inspection 6 operational tests 7 repairing the faults encountered 8 checking any modifi cations (view sympt...
Page 49
Gran baristo 06 standard checks page / 02 02 test procedure support/ tool standard tolerance espresso 2-3 espressos for adjustment purposes measuring scoop same amount 15% coffee 2-3 coffees for adjustment purposes measuring scoop same amount 15% noise standard amount of cream blow into the cup unti...
Page 50: Chapter 7
Gran baristo chapter 7 disassembly.
Page 51
Gran baristo 07 disassembly page / 09 remove the water tank, coffee container and cover, drip tray, dreg drawer, brewing unit, hot water dispenser, milk carafe. Remove the cover. Remove the cover. Lateral panels top cover unscrew the screws shown. Unscrew the screws shown. Unscrew the screw shown. U...
Page 52
Gran baristo 07 disassembly page / 09 02 7.2. Service door graft milk carafe and hot water dispenser assembly unscrew the screws shown. Unscrew the screws indicated and remove the cover. Unscrew the screws indicated. Unscrew the screws indicated. To remove the cover slide downwards and after to the ...
Page 53
Gran baristo 07 disassembly page / 09 7.3. Coffee grinder raise the coffee grinder and remove the connections. When reassembling the coffee grinder, make sure the spring is repositioned correctly (see photo). 7.4. Grinder blades to extract the top support of the appliance, press on the grinding ad- ...
Page 54
Gran baristo 07 disassembly page / 09 04 7.5. Coffee grinder adjustment the grinding adjustment can be set by the user (only with the coffee grinder in opera- tion) by pressing and turning (only by one click at a time) the insert inside the coffee bean hopper with the aid of the wrench sup- plied. A...
Page 55
Gran baristo 07 disassembly page / 09 7.8. Pin boiler 7.9. Thermostats 7.7. The piston assembly . 05 remove the assembly and disconnect the electrical / idraulics connections. Piston assembly loosen the screws highlighted and dis- connect the silicone tube. Loosen the screws highlighted and slide ou...
Page 56
Gran baristo 07 disassembly page / 09 06 disconnect the electrical / idraulics connections. 7.10. Pump slip off the pump off the support. Remove the pump extension. 7.11. Flow-meter 7.12. Gearmotor and microswitch present brew unit. Lift the fl ow meter out of the casing assembly and remove the elec...
Page 57
Gran baristo 07 disassembly page / 09 the following are located inside the compartment protected by the casing: - electric motor (a) with gears (b) and (c) for trans- mission and timing of the dispenser. - microswitch (d) detecting brewing unit home and work positions. - remove the gear (c) that mes...
Page 58
Gran baristo 07 disassembly page / 09 08 7.13. Cpu board and kyb interface and display remove the cover. Remove the cover. Remove the kyb interface and display. Lateral panels unscrew the screws shown. Unscrew the screws and ex- tract the card off the support and disconnect the electrical connection...
Page 59
Gran baristo 07 disassembly page / 09 unscrew the screw shown and remove the cover. Disconnect the electrical connections and remove the bluetooth board. Use a suitable pair of pliers to remove the clamp (as illustrated). Tighten the clamp as illustrated. 1) boiler connection. 2) other connections. ...
Page 60: Chapter 8
Gran baristo chapter 8 notes.
Page 61
Gran baristo 08 notes page / 01 01.
Page 62: Chapter 9
Gran baristo chapter 9 water circuit diagram.
Page 63
Gran baristo 09 water circuit diagram page / 01 01 gran baristo flow meter turbina w ater tank serbatoio acqua 2 w ay solenoid v alv e elet tro valv ola a due vie w ater dr ain scarico acqua w ater dr ain scarico acqua boiler pin perno caldaia brew unit gruppo caf fè pump pompa steam pipe tubo v apo...
Page 64: Chapter 10
Gran baristo chapter 10 electrical diagram.
Page 65
Gran baristo 10 wiring diagram page / 01 gran baristo avanti.
Page 66
Gran baristo 10 wiring diagram page / 01 01 gran baristo.