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MOLTIO                                                                                               04 OPERATING LOGIC

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4.1.1. Water circuit in Moltio One Touch Milk Carafe

Summary of Contents for Saeco Moltio

Page 1: ...0 00021 Service Coffee Machine Moltio 2013 June 20 ServiceManual Rev 04 MAY 2016 General Information Description Value Housing material Thermoplastic type Size w x h x d 256 x 350 x 470 mm data may vary depending on the model Weight 8 5 kg Power cord length 800 1200 mm Control panel Front type Cup size Up to 152 mm Water tank 1 9 litres Removable type Coffee bean hopper capacity Anima OTC AMF CMF ...

Page 2: ...Policy 2 1 6 1 External machine parts 3 1 6 2 Internal machine parts 4 2 Technical specifications 2 1 Technical specifications 1 2 2 1 Specification for the measurement of the coffee products temperature 2 2 2 2 Specification for the measurement of the Milk products temperature 3 2 3 Machine parameters and performance 5 3 Brief instructions 3 1 1 Customer menu in the Moltio One Touch Milk Carafe 1...

Page 3: ...MOLTIO CHAPTER 1 INTRODUCTION ...

Page 4: ...warnings We recommend you consult the technical manual of the machine before performing any mainte nance work Observe all applicable standards relating to the repair of electrical appliances Always disconnect the power plug from the mains before beginning repair work Disassembling the machine the operator must pay attention to hot and under Pressure parts boiler pin boiler valves dispensing steam ...

Page 5: ...the Thermal Carafe on website MILK ISLAND Only for OOW repairs YES to consult the specific exploded view of the Milk Island on website List of principal assembly present in all our coffee machines For IN WARRANTY repairs is raccomanded to use when and where possible the single components available in the exploded views of the coffee machines or of the specific components If you find the informatio...

Page 6: ... tank ON OFF button MENU button Espresso brew button Coffee brew button Cappuccino hot water button Aroma Pre ground coffee button Automatic ON OFF button MENU button Espresso brew button Coffee brew button Steam hot wa ter button Aroma Pre ground coffee button Classic Coffee bean hopper lid Coffee bean hopper tray Coffee bean hopper ON OFF button Espresso brew button Cappuccino brew button Latte ...

Page 7: ...iler pin Pump Flow meter Safety valve Power board Thermostat Coffee grinder Coffee dispenser Hot water dispenser and insert milk carafe 3 way solenoid valve Milk Carafe Boiler Grinding adjustment insert KYB Interface 2 way solenoid valve Automatic and Classic ...

Page 8: ...MOLTIO CHAPTER 2 TECHNICAL SPECIFICATIONS ...

Page 9: ...ump Ulka Type EP5 S GW approx 13 15 bar with reciprocating piston and thermal switch 100 C 48 W 230V 50 Hz 120V 60Hz 100V 50 60 Hz Overpressure valve Opening at approx 16 18 bar Water filter In tank Coffee grinder Direct current motor with flat ceramic grinder blades Automatic dosage Dose adjustment controlled by the electronic system Power consumption During heating phase approx 5 6 A Dimensions ...

Page 10: ...surface using a thermocouple thermometer Picture 1 2 The temperature in the cup is measured by immersing the probe of the thermometer up to touch the bottom The probe then must be moved in a circular motion for 5 6 rotations At the of the rota tions stop in the center of the cup Picture 2 3 The highest temperature measured during the rotations is the value we are searching for and that must be rep...

Page 11: ...t chamber the typhoon effect perfects the milk texture by removing the large bubbles Height of the milk cream in the beaker Manual system pannarello 15mm on 100gr of brewed product Semi automatic system cappuccinatore 20mm on 100gr of brewed product Automatic system carafe cappuccinatore Pinless wonder e g New Royal Energica Pure Intelia EVO latte 20mm on 100gr of brewed product How to measure the...

Page 12: ...m knob 3 After having provided 100gr of product close the knob and check the result obtained on milk Note The same applies to machines which have a steam key on the user interface and a solenoid valve in place of the steam tap Automatic Carafe Cappuccino Pinless wonder New Royal Energica Pure Intelia EVO Latte etc After setting the machine to delivery of 100gr of product 1 Launch the hot milk func...

Page 13: ...ensed be fore switching off No of pulses 180 80 Stopping option Yes by pressing any key Yes by pressing any key User disable option No No Production Service de partment disable option No No No of pulses user adjust ment option No No No of pulses Production Service department ad justment option No No Pulse range Min Max No No Descaling cycle frequency Hard ness Water hardness Without water filter W...

Page 14: ...ice departments No Fill tank alarm Yes No tray alarm Yes Fill tank Water mains No DREG DRAWER Description and values Time out for dreg drawer 5 sec Reset dreg counter Dreg emptying alarm if the dreg drawer is removed for more than 5 seconds STANDBY Description and values Inlet time default 30 minutes Inlet time programmed by Production Serv ice Yes Boiler temperature during Standby Boiler OFF ...

Page 15: ...MOLTIO CHAPTER 3 BRIEF INSTRUCTIONS ...

Page 16: ...the programming menu or special beverages menu Hot milk or hot water selection Hot water dispensing The machine is brewing one cup of espresso The machine is brewing one cup of coffee The machine is brewing two cups of espresso The machine is brewing two cups of coffee Coff ee brewing using pre ground coffee in progress The machine is programming the amount of coffee to brew Hot milk brewing The m...

Page 17: ...achine needs to be descaled Press the button to start the descaling process Follow the steps described in the descaling chapter of this manual If you want to descale later press the button to continue using the machine Please note that not descaling your machine will ultimately make it stop working properly In this case repair is NOT covered under your warranty The machine is heating up to brew be...

Page 18: ... which you see on the display The machine is ready to brew coffee with Arabica coff ee beans The machine is ready to brew coffee with Robusta coffee beans The machine is ready to brew coffee with a mix of coffee beans The machine is ready to brew pre ground coffee 3 1 2 Customer menu in the Automatic and Classic ON OFF button MENU button Espresso brew button Coffee brew button Cappuccino hot water...

Page 19: ...top working properly In this case repair is NOT covered under your warranty The machine is heating up to brew beverages or dispense hot water The machine is performing the rinse cycle Wait until the machine has completed the cycle The machine needs the INTENZA water filter to be replaced Machine ready signals RED colour Close the service door Fully insert the coffee grounds drawer before turning t...

Page 20: ...0 litres 480 000 pulses 480 litres 960 000 pulses 2 Medium 7 14 dH 120 litres 240 000 pulses 240 litres 480 000 pulses 3 Hard 15 21 dH 60 litres 120 000 pulses 120 litres 240 000 pulses 4 Very hard over 21 dH 30 litres 60 000 pulses 60 litres 120 000 pulses The default water hardness level is 4 Each litre of water corresponds to approximately 2 000 pulses In the machines where is not possible chan...

Page 21: ...MOLTIO CHAPTER 4 OPERATING LOGIC ...

Page 22: ... Compensation valve water outlet Flow meter 1900 W boiler Water Hot water steam Compensation valve water outlet Pump Water tank Three way solenoid valve Brewi ng unit Three way solenoid valve 4 1 1 Water circuit in Moltio One Touch Milk Carafe ...

Page 23: ...PERATING LOGIC 2 9 Steam pipe Compensation valve water outlet Flow meter 1900 W boiler Water Hot water steam Two way solenoid valve Pump Water tank Brewi ng unit 4 1 2 Water circuit in Moltio Classic and Automatic ...

Page 24: ...appuccino maker into dispensing position 3 Milk tank 1 2 3 The steam passes through the pipe creating a sucking effect that pulls the milk upwards Steam The milk is heated by the steam and taken towards the emulsion chamber where it is mixed with air and transformed into foam ...

Page 25: ...e 1 The coffee grinder starts the grinding process controlled by pulses generated by a sensor 2 The gear motor brewing unit moves to the brewing position 3 Preliminary dispensing phase short pump activity short pause 4 Product dispensing the pump operation period is defined by the amount of product dis pensed 5 The gear motor moves to its home position the dregs are expelled automatically Main swi...

Page 26: ...ture sensor adjustment Temp C R nom kΩ ΔR 20 61 465 8 6 50 17 599 5 9 75 7 214 4 1 80 6 121 3 7 85 5 213 3 4 90 4 459 3 1 100 3 3 2 5 125 1 653 3 9 150 0 893 5 1 4 3 Single microswitch The gear motor is powered by a direct cur rent motor that engages with the smaller double toothed wheel using a worm screw The unit is mounted on the axle of the large gear wheel and when a coffee is requested it mo...

Page 27: ...ffee bean level is detected by the Hall sensor after variations in the pulse frequency with or without coffee If there are no coffee beans operation while empty the number of rotations and therefore the number of pulses will be greater t1 no coffee indication If however there are coffee beans the number of rotations will be lower due to the force created by the grinding t2 no indication t3 and t4 ...

Page 28: ...10 If the pre ground flavour is selected by the user no modification will be made This guarantees that regardless of the coffee type used the grinding level setting and the wear on the grinders the ground coffee dose always remains constant Important For perfect operation machine adjustment should take place in the area of the fields highlighted in green A B C When the type or brand of coffee is c...

Page 29: ...be displayed during the following dispensing cycle 200 puls Sensor Water tank Descaling message with water filter 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 flow meter pulses recording one pulse each turn Filter on If the function is turne...

Page 30: ...rm Improved water quality Improved taste due to the ideal water hardness Life span descaling performance 10 dH 60 litres 2 months To achieve the best possible operating mode consistency over the total life span the water is channelled using a 3 stage bypass A B C depending on the degree of hardness See small image ...

Page 31: ...MOLTIO CHAPTER 5 SERVICE MODE ...

Page 32: ... test a Espresso button b Coffe button c Aroma button d Cappuccino button e Latte Macchiato button g Stand by button h Menu button Page 2 Input signals test a Water level sensor b Microswitch door closed opened c Microswitch presence of the Brew Unit d Microswitch presence of the Dregdrawer e Select the COM port between USCP and Freemaster f Lever position on Drip Page 3 Low voltage loads test a B...

Page 33: ...always in this case need to check the flat cabe communication with the CPU Power but if it does not change color also need to check the wiring JP4 Start condition Start condition Operational check keys Press CAPPUCCINO to move to the next screen Press CAPPUCCINO to move to the next screen Insert a full Water Tank The indication TANK H20 changes from N to Y NOTE the switching from N to Y requires a...

Page 34: ...ctly inserted the DOOR indication cannot change Insert the Dreg Drawer The indication DREG change from N to Y ERROR The indication DREG does not change check the Microswitch for the DREG and the wiring JP16 Operational check brewing unit Press the ESPRESSO button to move the BU to Work When the BU reaches the work position the indication WORK changes from N to Y the number of the current is minus ...

Page 35: ...the BU and the motor ERROR With BU The absorbed current is higher than 300mA the display backlight changes from green to red check the BU and the motor If you submit the following screen means that there is the coffee grounds drawer is not correctly inserted or the side door is not completely closed Only after entering the drawer and closed the door the following screen will disappear Operational ...

Page 36: ...e the beans cover The signal changes from COVER ON to COVER OFF ERROR If the indication COVER ON OFF COVER does not match respectively the PRESENCE ABSENCE of the cover beans Check presence and alignment with magnente REED sensor Presence REED sensor and wiring to CPU JP25 Reposition the beans cover The grinder starts to spin and the number of pulses is marked in as circled in red the other number...

Page 37: ...er The absorbed current Amperometer on the main supply is OK the indication HEATER changes from OFF to ON and the temperature starts increasing If temperature is over 135 C the backlight change from GREEN to YELLOW This is a ALERT message to avoid heating the HEATER element over dangerous temperature ERROR the absorbed current is KO or the temperature does not increase check the wiring from the he...

Page 38: ...Espresso button b Coffe button c Cappuccino Water or Steam Water button d Aroma button e Menu button f Stand by button g Unused button h Backlight colors Page 2 Input signals test a Water level sensor b Microswitch door closed opened if the dregdrawer is not present the display indication is always N c Microswitch presence of the Brew Unit d Microswitch presence of the Dregdrawer Page 3 Low voltag...

Page 39: ...essing button 1 3 4 6 the backlight color changes from GREEN to RED Pressing buttons 2 5 the backlight color changes from GREEN to YELLOW Note Press button 4 as the last once since it makes change the test page Operational check keys Press AROMA to move to the next screen Press AROMA to move to the next screen Start condition Insert the Dreg Drawer The indication DREG change from N to Y ERROR The ...

Page 40: ...hanges from N to Y the number of the current is minus than 200mA without BU or 300mA with BU ERROR The indication WORK doesn t change and remain N the display backlight changes from green to red Check the work microswitch broken the BU motor blocked and the wiring JP16 ERROR Without BU The absorbed current is more than 200mA the display backlight changes from green to red check the BU and the moto...

Page 41: ...e absorbed current is higher than 300mA the display backlight changes from green to red check the BU and the motor Press the ESRESSO button to open the Electro Valve IMPORTANT NOTE If the DREGDRAWER is not inserted or the DOOR is not closed the EV test cannot be performed If these 2 inputs are not in the right position a warning message will be shown and the display turns to yellow It is possible ...

Page 42: ...VER OFF does not reflect the PRESENT NOT PRESENT status of the Bean Hopper Cover check the magnet presence on the cover the REED sensor on the Bean Hopper and the REED cable to the JP25 connector onto the CPU POWER board Replace the Bean Hopper Cover and press the MENU button to switch on the grinder The grinder rotates and in the indication GRINDER the number increasing up to 40 The other numbers...

Page 43: ...rrent Amperometer on the main supply is OK the indication HEATER changes from OFF to ON and the temperature starts increasing If temperature is over 135 C the backlight change from GREEN to YELLOW This is a ALERT message to avoid heating the HEATER element over dangerous temperature ERROR the absorbed current is KO or the temperature does not increase check the wiring from the heater to the CPU PO...

Page 44: ...erature has not increased by x C in y sec boiler power supply disconnected incorrect boiler fitted must be a 1300W boiler par tial power supply to boiler cut out thermostat tripped 19 Mains voltage trouble 5 2 Error codes 5 3 Saeco Service Center Quick Start Guide Saeco Service Center Quick Start Guide Press the icon to view the document To open the attached document is necessary to save the servi...

Page 45: ...MOLTIO CHAPTER 6 SERVICE AND MAINTENANCE ...

Page 46: ...n test Steam out before shipping out if temperature is below 0 to prevent any demaged due to frozenwater No need for those families Minuto family all platform Incanto family new Pico Baristo Gran Baristo Intelia V2 Philips 2000 2100 Incanto Executive Moltio family all platform Please also check for GDA_113455 Provide precise IRIS code according dedicated code table for Coffee products The location...

Page 47: ...e brewing unit with suitable grease Externalcleaning Safety check Earth leakage Isolation test resistor of earth wire grounding as requested in certain country s VDE ISO visueel Check the mains cord for damages Packing 18 Packing Checkcompleteness accessories accordingincomelog 19 Neatly pack the product Documentation NFF letter Descaling instruction with changed procedure S C Otherinstructions ac...

Page 48: ...MOLTIO CHAPTER 7 DISASSEMBLY ...

Page 49: ...awer brewing unit hot water dis penser Unscrew the screws shown Unhook the highlighted frame and press and lift the top cover Unscrew the screws shown Unscrew the screws shown Remuve the rear pannel Lateral panels 7 1 Outer Shell Unscrew the screw shown and remove the lateral panels Left Right ...

Page 50: ...es To extract the top support of the appliance press on the grinding adjustment spindle A and turn the support anticlockwise until it unhooks A B Turn the grinder blades anti clockwise out of the support Turn the grinder blades clockwise out of the support The bayonet connections can be accessed from the rear Unscrew the screws shown Remove the support the reed sensor Remove the support the coffee...

Page 51: ...djustment by a service center To adjust grinding further the tecnical service can work directly on the coffee grinder by pressing and turning the ring nut C shown clockwise to increase the particle size of the coffee and anticlockwise to decrease it If there are any remains of coffee powder between the two grinding blades it is recommended to tighten by max two marks at a time Lastly move the poin...

Page 52: ...Moltio Milk One Touch Carafe 7 5 Solenoid valve 7 6 Pin boiler Loosen the screws as illustrated and remove the boiler pin Loosen the screws 7 7 Steam pipe Loosen the screw Loosen the screws and remove the cover evidenced Moltio One Touch Milk Carafe Disconnect the electrical connections Press to right and left and lift the assembly KYB Disconnect the water circuit connection ...

Page 53: ...h Milk Carafe Loosen the screws and remove the assembly graft milk carafe Moltio One Touch Milk Carafe Loosen the screws Loosen the screws and remove the assembly dispenser coffee proceeding as in the picture Slide out the fork as illustrated Remove the cover loosen the screws and support teflon tube Unhook the dispenser cover Moltio Milk One Touch Carafe remove the assembly graft milk carafe ...

Page 54: ...lift the assembly KYB Loosen the screws and remove the cover evidenced Moltio One Touch Milk Carafe Loosen the screws and remove the assembly graft milk carafe Moltio One Touch Milk Carafe Loosen the screws and remove the assembly dispenser coffee proceeding as in the picture 7 9 Gear motor Unscrew the screws shown Unhook the highlighted frame and press and lift the top cover Left Right ...

Page 55: ...h E Microswitch D detecting brewing unit home and work positions Remove the gear C that meshes with the motor transmission shaft Remove the large gear B Remove the motor A complete with transmission shaft Replace the gear B making sure that the imprint of the arrow is aligned with the opening containing the pin P When replacing the motor and the transmission shaft make sure the guide runners L are...

Page 56: ...ety valve and slip off the pump off the upper support 7 11 Flow meter Lift the flow meter out of the casing assembly and remove the electrical and water circuit connections Unscrew the screw shown and remove the electrical and water circuit connections Remove the cover of the boiler by pressing the two sides with the help of a screwdriver 7 12 Boiler ...

Page 57: ... illustrated remove the hydraulic connections and take out the valve Loosen the screws as illustrated and release the insert in the bottom of the body to obtain easy access for valve disassembly 7 13 Flow selector faucet Loosen the screws and remove the assembly dispenser coffee proceeding as in the picture ...

Page 58: ...ide the card off the support and disconnect the electrical connections Loosen the screw for remove the cover 7 14 CPU board 7 15 Programming access for SSC Saeco Service Center Loosen the screw Loosen the screws and remove the cover evidenced Moltio One Touch Milk Carafe Remuve the covers and loosen the screws evidenced Disconnect the electrical connections evidenced ...

Page 59: ... 07 DISASSEMBLY 11 11 Use a suitable pair of pliers to remove the clamp as illustrated Tighten the clamp as illustrated 1 Boiler connection 2 Other connections 7 17 Fitting and removing Oetiker clamps 1 2 1 2 ...

Page 60: ...MOLTIO CHAPTER 8 NOTES ...

Page 61: ...MOLTIO 08 NOTES 1 1 ...

Page 62: ...MOLTIO CHAPTER 9 WATER CIRCUIT DIAGRAM ...

Page 63: ...Silicone tube Tubo silicone Silicone tube Tubo silicone Silicone tube Tubo silicone Silicone tube Tubo silicone 2 way Solenoid valve Elettrovalvola a due vie Silicone tube Tubo silicone 4 bar Valve Valvola 4 bar Water drain Scarico acqua Boiler pin Perno caldaia Brew unit Gruppo caffè Pump Pompa Boiler Caldaia Steam pipe Tubo vapore Safety valve Valvola di sicurezza ...

Page 64: ...er tank Serbatoio acqua Pump Pompa Brew unit Gruppo caffè Safety valve Valvola di sicurezza Water drain Scarico acqua Silicone tube Tubo silicone Silicone tube Tubo silicone Silicone tube Tubo silicone Silicone tube Tubo silicone Silicone tube Tubo silicone Silicone tube Tubo silicone Silicone tube Tubo silicone Silicone tube Tubo silicone Silicone tube Tubo silicone Silicone tube Tubo silicone ...

Page 65: ...MOLTIO CHAPTER 10 ELECTRICAL DIAGRAM ...

Page 66: ...MOLTIO 10 ELECTRICAL DIAGRAM 1 1 Moltio One Touch Milk Carafe Automatic and Classic ...

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