ServiceManual - Expert-CM
Contents
1. NOIS43A AOZL 303 ANO 3NOISH3A Hd 0105 Q4vO8 SYOSNIS 3 V3831NI Q3VO8A3PI VIDIVAYSLNI VW31LSVL VO3HIS IHOSN3S VO3HIS Edf df bar 79 L80H E9 80H 29 80H 19 80H NOIS43A dOL ONY 304 SL L80H ELL80H 2LL80H 79L80H 9480H 29480H 19480H d01 3 GIA 3NOISH3A Yad ANI 32V383LNI VIDDVAYSLNI An AW1dSIG Page 01 012. Page 03 04 MINUTO 01 INTRODUCTION 1 6 2 Internal machine parts Thermostat Boiler Grinding adjustment insert Flow meter ALE Ar 2 Way 5 solenoid valve Safety valve KE Steam pipe Coffee dispenser Page 04 04 CHAPTER 2 TECHNICAL SPECIFICATIONS MINUTO MINUTO 02 TECHNICAL SPECIFICATIONS 2 1 Technical specifications Power supply and output 240 V 50 Hz 1850 W 230 V 50 60 Hz 1850 W 120 V 60 Hz 1500 W Temperature monitoring NTC variable resistor sensor transmits the value to the electronic card Safety system 2 thermostats at 190 C one shot Coffee heat exchanger output 230 V 1900 W 120 V 1300 W 100 V 1100 W Stainless steel for coffee hot water and steam dispensing Gear motor 1 rotation directions power supply 24VC Ulka Type EP5 S GW approx 13 15 bar with reciprocating piston and thermal switch 1009C 48 W 230V 50 Hz 120V 60Hz 100V 50 60 Hz Overpressure valve lOpeninc at approx 16 18 bar Power consumption During heating phase approx 5 6 A Dimensions W x H x D in mm 215 x 330 x 429 mm drawer capacity Grinding time JApprox 8 10 sec Page 01 05 MINUTO 02 TECHNICAL SPECIFICATIONS 2 2 1 Specification for the measurement of the coffee products temperature The temperature is influenced by the flow from the dispenser and stratification of temperatures in the glass In order to consider these phenomen
3. enboe HUE JoJeM odid weas O E F 14 E E E E L 14 g 9 OA PAO H 9 3 DUISISSY SALA pious os ssy Jo3eul MOJ J Page 01 01 CHAPTER LO ELECTRICAL DIAGRAM MINUTO 10 WIRING DIAGRAM MINUTO Minuto Focus and Class YOLOW Y30N4D dddvJVNIDVW SYOLOW H31VM VdWOd 32V 18 OJ3N DV 18 0NAN 431109 33440 33343 VIVA 040 U3MOd ANOIZV LNAWTV OAV s 80123NNO2 23l SYOLLANNOD ADV 18 ON3N D A A D zV 18 033N 3178 0718 N33Y9MO0T13A4 30Y3A0 32V 18 033N ADV 18 0H3N 97A A 9 32V Ig OH3N 318 18 e B 9 19 H Eu EP zar N3399 3043A N33899 30U3A 3018 7718 32V 18 0J3N HILIMS NIV 3 1VW3N3D JYOL LNYYSLNI 379 18 A2V 19 OY3N 1V130 33S 3183 1 GYVOE 40 NOILI3NNO N3385M0OT13A 30 GVALSNI N3389 540100 7147 HYLVI 404 NOISH3A AOEZ SHL 433410 SNOISH3A AOZL ONY AOL S310N 015v1130 IG3A VOSHIS Y11130 Veg31 v VSSAW V1130 OIN34Vv93T102 11 08310 130 01504 30831 Ves31 10 LLESAVO 130 380102 1 Hd A0EZ ONOISIYSSSIG AOZL 3 AOOL INOISH3A 31 310N AV 19 0Y3N 32V 18 0J3N 32V 18 OJ3N El 6bdf 2 z ZZ ZZZ z m mm mem 2 aw DUD Q SS zB EP BRE I gt gt gt DDD ON CY m X AN
4. NB To verify more accurately the height of the cream a practical expedient dictated by expe rience is to add to the product just delivered a small amount of coffee The addition of coffee immediately put in evidence the surface of separation between liquid and cream Page 04 05 MINUTO 02 TECHNICAL SPECIFICATIONS 2 3 Machine parameters and performance Minimum Default Maximum Programm by L uud quantity quantity quantity User Production mcs e o 9 Hot water _ Continues until the water supply has been exhausted capacitive sensor Steam pannarello Continues until the water supply has been exhausted capacitive sensor frother Descaling cycle frequency med Water hardness Without water filter With water filter 1 Soft to 7 dH 240 litres 480 000 pulses 480 litres 960 000 pulses _ 2 Medium 7 14 dH 120 litres 240 000 pulses 240 litres 480 000 pulses _ L3 Hard 15 219dH 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 DREG DRAWER Description and values Time out for dreg drawer Reset dreg counter Dreg emptying alarm if the dreg drawer is removed for more than 5 seconds STANDBY Description and values Inlet time default
5. J A AJ A Hoses attachments and Oetiker damps 4 ES Pump 11 STR ws Water circuit D Saeco descaler Hot water steam valve ES S Page 01 02 MINUTO 6 3 Test Espresso Coffee Noise Amount of cream Cream colour Temperature Grinding level Hot water Steam Dreg drawer missing indication Low bean level indication 06 STANDARD CHECKS Final test tool adjustment purposes SCOOD 2 3 Coffees for Measuring adjustment purposes SCOOD Blow into the cup until the cream separates Same amount Standard The cream should come together again to form a complete layer reta Thermometer Reading taken while dispensing the ground coffee E EEE Remove the dreg drawer Died Ara Wer missing indication Start brewing a coffee Bow bean level indication while the coffee bean hopper is empty Page 02 02 CHAPTER 7 DISASSEMBLY MINUTO MINUTO 07 DISASSEMBLY 7 1 Outer Shell Remove the water tank coffee con tainer cover drip tray dreg drawer brewing unit e Remove the dispenser Unscrew the screws shown and remove the Unscrew the screws COVer dispenser shown Remove the steam pipe cover as pic ep X Unscrew the screws shown raise the ture and unscrew the screw shown top cover and remove the electrical and water circuit connections 7 2 Coffee grinder When reassembl
6. Inlet time programmed by Production Serv ice Boiler temperature during Standby Boiler OFF WATER TANK Water reserve pulses with water filter Water reserve pulses with no water filter Water reserve modifiable by Production Service departments Fill tank alarm No tray alarm Yes Fill tank Page 05 05 CHAPTER 3 USER ENSTIRUCIMONS MINUTO MINUTO 03 USER INSTRUCTIONS 3 1 Customer menu in the Minuto Class and Focus FOCUS ESPRESSO COFFEE AROMA CALC CLEAN op Pre ground coffee button Coffee brew button Hot water button Espresso brew button Steam button Descaling button Hot water button Steam button This machine is equipped with a colour coded system to make your understanding of the display signals easier The icons are colour coded according to the traffi c light principle Machine ready signals GREEN colour amp The machine is ready to brew 4 The machine is brewing one cup 35 products of Coffee C The machine is ready to brew pre ground coffee The machine is brewing two cups of espresso 1 U STOP The machine is brewing two cups of Coffee Hot water dispensing S STOP The machine is programming the amount of coffee to be brewed Steam dispensing ES STOP _D lt The machine is brewing one cup op Coffee brewing using pre ground espresso E coffee in progress
7. 7 4 7 5 7 6 7 7 7 8 7 9 7 10 7 11 7 12 Dose self learning SAS Water level detection water tank Descaling request Water filter Troubleshooting Minuto test mode SteamOut Error messages Standard checks Repair schedule Service schedule Final test Disassembly Outer Shell Coffee grinder Grinder blades Coffee grinder adjustment Two way solenoid valve Pin boiler Gear motor Central plate Pump Flow meter Boiler CPU board Minuto Page A ON UI JO ON Ui BP HU DN HR EN 4219 400 00020 2013 April 30 PHILIPS Saeco Table of contents 7 13 7 14 7 15 10 Programming access for SSC Saeco Service Center KYB interface and display Fitting and removing Oetiker clamps Notes Water circuit diagram Electrical diagram Page MINUTO CHAPTER 2 INTRODUCTION MINUTO MINUTO 01 INTRODUCTION 1 1 Documentation required The following documentation is needed for repair procedures e Instruction booklet for specific model e Technical documentation for specific model diagrams exploded view sympton cure and service manual 1 2 Tools and equipment required As well as the standard equipment the following is required Qty Description Notes 1 Screwdriver oo Pliers for Oetiker clamps pM CC A Vdc tester BEEN UO Digital thermometer Scale limit gt 150 1 SSC Saeco Service Center Programmer for programming and diagnostics mode 1
8. Machine ready signals YELLOW colour The machine is heating up to E p The machine needs the brew beverages or dispense hot 1E INTENZA water filter to be E water replaced a r The machine performs the rinsing cycle Wait until the machine has The brew group is being reset completed the cycle 2 due to machine reset di Page 01 03 MINUTO 03 USER INSTRUCTIONS E Refill the coffee bean hopper o with coffee beans and restart the n Prime the circuit _ cycle The machine needs to be descaled Press the button to enter the descaling menu If you want to descale later press the E 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 Machine ready signals RED colour lt The brew group must be inserted 55 into the machine Insert the drip tray with the coffee grounds drawer into the machine and close the service door ss Empty the coffee grounds drawer Fill the coffee bean hopper N Fill the water tank Turn off the machine After 30 seconds turn it on again Try this 2 or 3 times If the machine does not start contact the Philips SAECO hotline in your C country and communicate the the Error code which you see on the display bx You can find its contact details in the warranty booklet by packed separately or on www philips com sup
9. 2nd product 72 lt 85 C Picture 2 Page 02 05 MINUTO 02 TECHNICAL SPECIFICATIONS 2 2 2 Specification 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 must be used The milk product must be checked on a beaker of 250 ml of capability and with an inner diameter of 70mm brewing 100gr of product Parameters to be respected The parameters to be respected are milk temperature and height of the cream Each of these parameters however must be evaluated depending on the type of system used for the production of hot milk Actually three types of devices are present on the appliances Manual system pannarello Semi Automatic system cappuccinatore Automatic system carafe Pinless wonder system etc Milk temperature in the beaker System without Pinless Wonder e g Xelsis Exprelia Syntia Intelia With milk at Trefr about 4 10 A gt 36 System with Pinless Wonder New royal Energica Pure Intelia EVO Latte With milk at Trefr about 4 10 9C A gt 45 Height of the milk cream in the beaker Manual system pannarello 2 15mm on 100gr of brewed product Semi automatic system cappuccinatore 2 20mm on 100gr of brewed product Automatic system carafe cappuccinatore Pinless wonder New Royal Energica Pure Inteli
10. 3 Material Description Note Thermal paste Heating element gt 200 C Safe to use with food 1 4 Safety 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 Simply turning off the main machine power switch is not an adequate safety precaution This domestic appliance is rated as insulation class I On completion of the repair work insulation and dielectric rigidity tests must be performed Page 01 04 MINUTO 01 INTRODUCTION 1 5 Service POLICY grid as used for coffee machine For IN WARRANTY repairs is mandatory to use the single components not the assembly avail able in the exploded views of the coffee machines or of the specific components If you find the information SEE THE EXPLODED VIEW E in the assembly description field it means that the single components of the assembly are available in the other pages of the exploded view It s possible to use the assembly only if there is a specific Symptom Cure that include this possibility or when the single components are not available for the order List of principal assembly present in all our coffee machines Assembly use Single components available COFFEE YES to consult the specific exploded view of the GRIND
11. J 15 1972M 10H sal 1938 ERI Page 01 07 MINUTO 04 OPERATING LOGIC 4 2 Coffee cycle Main switch ON START STOP me Brewing unit gear motor Notes Only with Pre brewing Single microswitch gear motor 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 again by approx 1 2 mm The boiler begins to heat the water for approx 45 sec at full power in order to reach the optimal temperature The temperature will then remain at a constant level Coffee cycle The coffee grinder starts the grinding process controlled by pulses generated by a sensor The gear motor brewing unit moves to the brewing position Preliminary dispensing phase short pump activity short pause Product dispensing the pump operation period is defined by the amount of product dis pensed The gear motor moves to its home position the dregs are expelled automatically oe AS EH Page 02 07 MINUTO 04 OPERATING LOGIC 4 3 Single microswitch pl The gear motor is powered by a direct cur m 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 moves from the standby position to the dis pensing position and then back to the stand by posi
12. can occur during preliminary operation or after a service Page 05 07 MINUTO 04 OPERATING LOGIC 4 8 Water level detection water tank Water tank Water low message water reserve Function The water level is monitored by a capacitative sensor located one third of the way up the water tank wall If the electronics assembly detects by means of the sensor that the amount of water in the tank has dropped below the above mentioned level a water reserve remains available for the dispensing process underway this will cover 200 flow meter pulses The product dispensing process will then come to an end If a dispensing cycle ends after the sensor has been triggered in the reserve then the display Water low continues to be displayed during the following dispensing cycle 4 9 Descaling request Filter off Flow meter pulses 360 1 rev Descaling message with water filter inserted appliances with display only The water hardness is set on the basis of the x x regional water hardness analysis x 1 2 3 4 Filter off If the function is turned off the electronics assembly monitors the flow meter pulses Filter on If the function is turned on the electronics assembly monitors the flow meter pulses recording one pulse every two turns j recording one pulse each turn Number of pulses Change water filter message The electronics assembly uses the flow
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14. Coffee Machine Service ervice Service Table of contents 1 1 1 1 2 1 3 1 4 1 5 1 6 1 1 6 2 2 1 2 2 1 2 22 2 9 3 1 3 2 4 1 4 2 4 3 4 4 4 5 4 6 Introduction Documentation required Tools and equipment required Material Safety warnings Service Policy External machine parts Internal machine parts Technical specifications Technical specifications Specification for the measurement of the coffee products temperature Specification for the measurement of the milk products temperature Machine parameters and performance User instructions Customer menu in the Minuto Class and Focus Operation cleaning and maintenance Operating logic Water circuit Coffee cycle Single microswitch Temperature sensor Coffee grinder Low bean level detection dose quantity adjustment coffee grinder blocked 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 express authorisation has been provided in writing or through a contractual agreement Published by Saeco International Group Page WO N bh PB N Ln Subject to modification Table of contents 4 7 4 8 4 9 4 10 5 1 1 5 1 2 5 2 6 1 6 2 6 3 7 1 7 2 7 3
15. ER only TOF OOW repars machine or of the Coffee Grinder on website BREWING YES to consult the specific exploded view of the UNIT only Tor CON repairs machine or of the Brewing unit on website BOILER Only for OOW repairs YES to consult the specific exploded view of the machine on website GEAR YES to consult the specific exploded view of the MOTOR Only for OOW repairs machine on website FILTER YES to consult the specific exploded view of the HOLDER Only for OOW repairs machine on website Only for OOW repairs YES to consult the specific exploded view of the nn machine on website THERMAL i YES to consult the specific exploded view of the CARAFE Tor OOW repairs Thermal Carafe on website YES to consult the specific exploded view of the MILK ISLAND Toro repas Milk Island on website Page 02 04 MINUTO 01 INTRODUCTION 1 6 1 External machine parts Coffee bean _ hopper with lid Pre ground coffee ES Pannarello Focus Cappuccino vs Class ge Drip Power cable socket and main switch ON OFF button Aroma MENU Pre ground coffee button Coffee brew button Espresso brew button Steam button Y ESPRESSO STEAM x FOCUS MEMO C cm ON OFF button we g q 0 AROMA CALC CLEAN Hill Du EE Aroma Descaling button Pre ground coffee button Hot water bution Coffee brew button b Espresso brew button un Hot water button
16. Two way solenoid valve l Ph x ri K Hs j S gt L s y i eT y7 L a Remove the board support Loosen the screws holding seo all electrical and water assembly and disconnect the solenoid valve to the circuit connections the electric connection upper plate Page 03 11 MINUTO 07 DISASSEMBLY 7 6 Pin boiler Loosen the screws as illustrated and remove the boiler pin A Loosen the screws as illustrated and remove the gear motor cover The following are located inside the compartment pro tected by the casing Electric motor A with gears B and C for trans mission and timing of the dispenser Brewing unit present microswitch 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 in the right position Grease the shaft thoroughly and evenly Page 04 11 MINUTO 07 DISASSEMBLY 7 8 Central plate PPT AA ee unscrew the screws shown 7 9 Pump Unhook the pump Disconnect the water circuit connections A and from the supports electrical connections B loosen the s
17. a EVO latte 2 20mm on 100gr of brewed product How to measure the temperature of the milk 1 The measurement is carried out in the beaker immediately after the end of milk brew positioned on a non metallic surface using a thermocouple thermometer eg Type K Stop the preparation of mixed product at the end of milk brewing where One Touch product function is present 2 The temperature is measured by immersing the probe of the thermometer positioning the probe inside the beaker at about 10mm from the bottom of the container then the probe moves in a circular motion for 3 5 turns stopping at the end at the center of the beaker It detects the maximum temperature reached in a time of relief between 3 to 5 seconds It is important the mixing of milk before the measurement at 10mm from the bottom of the beaker If the mixing is correct temperature for a few fractions of a second during the measurement should not oscillate Page 03 05 MINUTO 02 TECHNICAL SPECIFICATIONS 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 Pour 100cc of milk at Trefr in a beaker of 250 ml of capacity and with a inner diameter of 70 mm with machine in steam mode 1 Open the steam knob to discharger water circuit for 4 sec then close the knob 2 P
18. a and to introduce measures that allow compari sons in controlled conditions below guidelines must be followed Conditions a Water temperature in tank 23 C 2 C b It must be used a plastic cup see picture N 1 C It must be used a thermocouple thermometer e g type K see picture N 2 d The coffee machine is tested without any change of parameters or calibrations which may affect the temperature of products so the measurement of temperature must be done with machine in default factory setting Procedure 1 The temperature must be measured in the cup immediately after dispensing Cup has to be placed on a non metal surface using a thermocouple thermometer 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 rotations stop in the center of the cup 3 The highest temperature measured during the rotations is the value we are searching for and that must be reported 4 Test measurement from end of dispensing to the end of rotations must be completed within 12 seconds Limits of acceptability The acceptance limits are divided by features and products and are the following Espresso Coffee Italy Q ty 25 40 gr Temperature of 1st product 69 x 85 C Temperature of 2nd product 72 lt 85 C Coffee Q ty 70 120 gr Temperature of 1st product 69 x 85 Temperature of
19. afety valve C and slide the pump off the brackets D Page 05 11 MINUTO 07 DISASSEMBLY 7 10 Flow meter EM NV J GT Lift the flow meter out of the casing assembly and remove the electrical and water circuit connections 7 11 Boiler Unscrew the screw shown and remove the electrical and water circuit connections Unscrew the screw shown at unthread the support boiler Page 06 11 MINUTO 07 DISASSEMBLY 7 12 CPU board T Loosen the screws slide the card off the support and disconnect the electrical connections Loosen the screw for remove the cover E m dii Disconnect the electrical connections Press to right and left and lift the assembly KYB Loosen the screws for remove the cover Disconnect the electrical connections Page 07 11 MINUTO 07 DISASSEMBLY 7 15 Fitting and removing Oetiker clamps 1 Boiler connection 2 Other connections Use a suitable pair of pliers to remove the Tighten the clamp as illustrated clamp as illustrated Page 08 11 CHAPTER NOTES MINUTO CHAPTER 9 WATER CIRCUIT DIAGRAM MINUTO 09 WATER CIRCUIT DIAGRAM MINUTO Minuto Focus and Class eZZaJhnoIs IP eJOAJeA 9AJLA A19JeS enboe 0911895 t uepiew 8 MB J 2 AAA NEN 1 E PIEPIEI ouJad uid 19 10g edwod dund
20. an button in FOCUS version f Aroma button g Stand by button h Backlight colors Page 2 Input signals test a Water level sensor b Microswitch door closed opened C Microswitch presence of the Brew Unit d Lever position on Espresso e Lever position on Drip Page 3 Low voltage loads test a Brew Unit movement upward and downward 24V DC Page 4 High Low voltage loads test Pump E Valve a Pump 120 230V AC b Electro Valve 24Vdc The door must be closed Page 5 High voltage loads test Heater Grinder a Heater 120 230V AC b Grinder 170 320V DC Page 01 08 MINUTO 05 TROUBLESHOOTING Firmware Software version ERROR If machine model is different from CLASS or FOCUS change the interface Firmware version on the display The machine model is shown FOCUS or CLASS The voltage of the main supply 230V 120V The frequency of the main supply is shown 50 or 60 Hz Press STAND BY 5 to move to the next screen Operational check keys a B Only when a button is pressed a O appears on the relative position of but ton pressed In the middle of display appears the name of the button pressed Pressing buttons on the left the backlight color changes from GREEN to KEYB YELLOW C Pressing button on the right the backlight color changes from GREEN to ESPRESSO RED When a button is pressed also the Stand By led RED turn ON Note Press button STANDBY as the last once since it makes c
21. ans n 100 p ER 1 no coffee indication Without beans n 100 If however there are coffee beans the number of rotations will be lower due to the force created by the grinding t3 Without beans n 50 t2 no indication t3 and t4 this measurement is performed at the end of each grinding process Dose quantity adjustment With beans n 50 The dose quantity is adjusted in accordance with the pulses detected number of rotations proportional to the selected flavor mild medium or strong Coffee grinder blockage If the coffee grinder becomes blocked for any reason t pulses will no longer be transmitted to the electronic system and the grinder will come to a stop Page 04 07 MINUTO 04 OPERATING LOGIC 4 7 Dose self learning SAS The aim of this function is to automatically regulate the average dose of ground coffee SELF LEARNING this takes place with an algorithm based on three pieces of data that the machine receives via the card 1 Number of coffee grinder pulses during the grinding cycle 2 Max average value of the power consumed by the gear motor during the coffee brewing cycle 3 Aroma selected by the user The algorithm compares the maximum average value of the power consumed by the gear motor with the value listed in the table for the selected aroma in order to calculate the new grinding pulse value for the next coffee produced If the power consumption value is less than the minimum curr
22. cklight changes from green to red check the BU and the motor Press the AROMA button to move the BU to Home When the BU reaches the home position the indication HOME changes from N to Y the number of the current is minus than 200mA without BU or 300mA with BU ERROR The indication HOME doesn t change and remain N the display backlight changes from green to red Check the work microswitch is broken the BU motor is blocked and the wiring JP16 ERROR Without BU The absorbed current is higher than 200mA the display backlight changes from green to red check 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 Press STAND BY 5 to move to the next screen Page 04 08 MINUTO 05 TROUBLESHOOTING Operational check solenoid valves and pump Start condition Press the ESPRESSO button to open the Electro Valve IMPORTANT NOTE If the DREGDRAWER is not inserted or the DOOR is not ss Oe UN closed the EV test cannot be performed If these 2 inputs are not in the CHECK DREG DOOR right position a warning message will be shown and the display turns to yellow It is possible to hear the click from Electro Valve The indication beside the EV1 changes from OFF to ON Press the STEAM button to switch on the pump The water goes out from the pipe and the indication IMP shows increasing numbers Th
23. e Lever in DRIP position 120V only wi The indications DRIP changes from N to Y 120V only Move Pressure Lever in ESPRESSO position 120V only The indication ESP change from N to Y 120V only IMPORTANT NOTE If the Pressure Lever is not inserted on 120V version a warning message will be shown and the display turns to yellow Check JP4 on interface board Press the STAND BY button The machine passes to the Page 3 BU PAGE Press STAND BY b to move to the next screen Page 03 08 MINUTO 05 TROUBLESHOOTING Operational check brewing unit Start condition Press the ESPRESSO button to move the BU to Work IMPORTANT NOTE If the DREGDRAWER is not inserted or the DOOR is not closed the BU 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 When the BU reaches the work position the indication WORK changes 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 motor ERROR With BU The absorbed current is more than 300mA the display ba
24. e indication L H must be within the range 10 18 ERROR The display backlight changes from green to red and the impulse remains 0 If water comes out the pipe check the wiring from the flowmeter to the CPU POWER board JP5 If no water comes out the pipe check the pump and the wiring from the pump to the CPU POWER board JP24 ERROR The L H is zero or very low the Electro Valve does not open Check the wiring from the Electro Valve to the CPU POWER board JP3 and the Electro Valve Press STAND BY 1 to move to the next screen Operational check coffee grinder and boiler Initial status Press the STEAM button to switch on the grinder The grinder rotates and in the indication GRINDER the number increasing up to 40 The other numbers inside the GRINDER box are not important for this test ERROR The number remains 0 or the grinder does not run the display backlight changes from green to red check the Hall sensor board of the Grinder the Grinder the wiring from the Hall sensor board to the CPU POWER board JP2 and the wiring from the Grinder to the CPU POWER board JP8 Page 05 08 MINUTO 05 TROUBLESHOOTING Check the temperature The number shows the heater temperature ERROR In the indication HEATER appears SHORT the NTC temperature sensor is shorted the display backlight changes from green to red check the wiring from the NTC temperature sensor to the CPU POWER board JP13 ERROR In t
25. ent value the grinding pulses will be increased by 2 If the power consumption value is greater than the maximum current value the grinding pulses will be decreased by 4 If the power consumption value falls within the over torque interval the product will be dis pensed and the grinding pulses will be decreased by 10 If the power consumption value falls within the abort cycle interval the dreg will be expelled and the grinding pulses will be decreased by 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 Pulses corrected in the next grinding process Settina Stat Power consumption etting Status in mA In the event of absorp In the event of absorp tion above the range tion below the range 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 changed there may be variations in the size of the beans and their stickiness or roasting level This leads to variations in power consumption mA with resulting excessive or insufficient doses until the necessary adjustments have been made to compensate for this change Caution In the case of excessive dosage powder may be expelled into the dreg drawer This is not a fault but
26. hange the test page Note If 2 or more buttons are pressed the name that appears on display could be wrong ERROR If nothing appears on display check the interface board and the flat cable JP21 If during the movement the backlight remain green check the wiring JP1 from the interface board and the display The name displayed is wrong check the position of jumper in interface It must be the same of machine model Jumper on JP5 for Focus machine model Jumper on JP6 for Class machine model Press STAND BY D to move to the next screen Page 02 08 MINUTO 05 TROUBLESHOOTING Operational check microswitches and sensors Start condition Insert a full Water Tank The indication H20 changes from N to Y NOTE the switching from N to Y requires about 1 2 seconds ERROR The indication TANK H20 doesn t change check the capacitive sensor fixing and the wiring JP23 Insert the BrewUnit The indications BU P changes from N to Y MI NOTE removing the BrewUnit the indication from Y to N requires about 2 3 seconds to switch ERROR Check the BU presence Microswitch and the wiring JP16 Close the Door and Dreg Drawer g The indication DOOR change from N to Y ZEE ERROR The indication DOOR does not change check the Microswitch for the door and the wiring JP14 NOTE without the Dreg Drawer correctly inserted the DOOR indication cannot change zl Move Pressur
27. he indication HEATER appears OPEN the NTC temperature sensor is detached or broken the display backlight changes from green to red check the wiring from the NTC temperature sensor to the CPU POWER board JP13 Press the ESPRESSO button to switch on the Heater 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 heater to the CPU POWER board JP19 and the wiring of the NTC temperature sensor JP13 Page 06 08 MINUTO 05 TROUBLESHOOTING 5 1 2 SteamOut ON OFF button To enter in SteamOut The machine enters SteamOut mode by holding pressed together the CAFE CREME button and the MENU CALC CLEAN button while switching on the machine Once entered the Steam Out mode the display shows the STEAM OUT indication Buttons can be released IMPORTANT NOTE to execute the Steam Out procedure the DREGDRAWER must be in place and the DOOR must be closed If these 2 conditions are not respected a warning message is shown on the display and the Steam Out is interrupted The machine starts the Steam Out and the display change the ETT backlight yellow and ap
28. ing the coffee grinder make sure the spring is repositioned correctly see photo Raise the coffee grinder and remove the connections Page 01 11 MINUTO 07 DISASSEMBLY 7 3 Grinder blades To extract the top support of the appliance press on the grinding adjustment spindle A and turn the support anticlockwise until it unhooks Turn the grinder blades anticlockwise out of the support Turn the grinder blades clockwise out of the support The bayonet connections can be accessed from the rear lm Oenl d B a i For a standard adjustment both markings must be aligned Page 02 11 MINUTO 07 DISASSEMBLY 7 4 Coffee grinder adjustment The grinding adjustment can be set by the user only with the cof fee grinder in operation by pressing and turning only by one click at a time the insert inside the coffee bean hopper with the aid of the wrench supplied To adjust grinding further the engineer 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 arrow A on the adjustment knob to the center of the adjustment dots on the cover B 7 5
29. lace the beaker with the frother dipped in milk open the steam knob to maximum and start the chronometer 3 After about 30 to 60 seconds close the knob and check the result on milk Semi automatic systems cappuccino Pours milk at Trefr in a container with the machine in steam mode 1 Open the steam knob to discharge water circuit for 4 sec then close the knob 2 Insert the silicone tube in the milk container placing a beaker of 250 ml capacity and with an inner diameter of 70 mm under the cappuccino maker and open the steam 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 function 2 Collect the product a beaker with a 250ml of capacity and with an inner diameter of 70 mm and verify the result obtained on milk Carry out the test using milk at a Trefr In case the machine allows modify of the emulsion through the menu use the machine with the emulsion set to the default value Related to the above testing procedure derives the following table of acceptability Manual Semi Automatic and Automatic s Milk System Grams of Product Minimun Height of the milk cream
30. meter impulses to keep track of the amount of water which has flowed through after the specified amount set in accordance with the water hardness level the Replace filter message appears Page 06 07 MINUTO 4 10 Water filter 4 04 OPERATING LOGIC Function e Reduced limescale deposits which take longer to form e Improved water quality e Improved taste due to the ideal water hardness Life span descaling performance e 10 dH e 60 litres e 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 07 07 CHAPTER 5 TROUBLESHOOTING MINUTO MINUTO 05 TROUBLESHOOTING 5 1 1 Minuto test mode To enter Test Mode The machine enters Test Mode by holding pressed together Espresso and Menu buttons or Calc Clean button in Focus version while switching on the machine by mean of the main switch on the backside of the CA Once entered in Test Mode the display shows the firmware version The Test Mode is organized into 5 different pages Page 0 The display shows a Firmware version b CLASS or FOCUS type C 120 if the machine is a 120V model d Main supply frequency 50 or 60 Hz Page 1 Keyboard and display s colour test a Espresso button b Caf Cr me button C Steam button d Water button e Menu button or CalcCle
31. pears the indication ON ON While the Steam Out runs the Electrovalve is opened and water i comes out the Water Steam pipe When the Steam Out is complete the message COMPLETE is shown on the Display The Electrovalve automatically closes and the machine can be switched off When the Steam Out is complete the following parameters are reset to their default values Count Coffee Aroma Length Espresso product Length Coffee product Filter Presence Filter Pulses Aroma Impulses Dynamic threshold History of grindings for Beans Presence detection StandBy Time The request for Priming the Circuit at the first switch on is set Page 07 08 MINUTO 05 TROUBLESHOOTING 5 2 Error codes ERROR CODES DESCRIPTION The coffee grinder is blocked grinder blades jammed or sensor not reading properly The brewing unit is blocked in work position microswitch not released in up position after 3 torque error trying to move down descent time out exceeded The brewing unit is blocked in home position microswitch not released in down position after 3 torque error trying to move up ascent time out exceeded Water circuit flow meter problems water circuit blocked or no flow meter signal 10 Boiler temperature sensor short circuited 11 Boiler temperature sensor open circuit The boiler temperature has exceeded the maximum allowed value 165 c The boiler temperature has not increased by x C in y sec boiler
32. port Page 02 03 MINUTO 03 USER INSTRUCTIONS 3 2 Operation cleaning and maintenance E Fill the coffee bean hopper Press the button to start the D appliance When the heating phase begins wait for it to finish Carry out a rinse cycle for the internal circuits Machine ready The machine is ready to dispense beverages CLEANING AND TECHNICAL SERVICING Empythedriptray Asnecessary III D Clean the coffee bean hopper AS necessary o pee E F Lubricate the brewing unit After 500 dispensing cycles or when the grease is no longer present on the brewing unit Clean the unit housing Weekly When indicated Descaling cycle frequency Hardness Water hardness Without water filter With water filter 1 Soft up to 7 dH 240 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 219dH 30 litres 60 000 pulses 60 litres 120 000 pulses The default water hardness level is 3 Each litre of water corresponds to approximately 2 000 pulses Page 03 03 CHAPTER 4 OPERATING LOGIC MINUTO 04 OPERATING LOGIC MINUTO Water circuit 4 1 plOU OS AeM OM obJeupsip un buimaig edid 1 Ajajes jue Jaze 5 Q S 2 19 9UJMO
33. power supply disconnected incorrect boiler fitted must be a 1300W boiler par tial power supply to boiler cut out thermostat tripped Mains voltage trouble interface missing or unknown Page 08 08 CHAPTER STANDARD CHECKS MINUTO MINUTO 06 STANDARD CHECKS 6 1 Repair schedule 1 Visual inspection transport damage 2 Machinedatacheck ratingplate Y 11 3 JOperetionalcheck problemanalysis 1 11 4 Opening machine 5 Visual inspection 6 Operationaltests 8 Checking any modifications view Symptom Cure new software etc 1 9 Service activities in accordance with the operating schedule o o 10 Internal 11 Operational test while the appliance is open o 1 13 Findinspetiontet 10 0 14 Draining the circuit in winter x 0 0 15 External cleaning 16 Lubricating the brewing unit with suitable Documentation O 18 Documentation 6 2 Service schedule S Replacement P Cleaning ES Visual inspection TR Noise test D Descaling R Adjustment Component Action 9 jSupport tol Water filter 1 1 1 P S AJ Wetertanklipsal S 3 Boiler pin O ring 1 1 S
34. tion again Standby position 1 Dispensing position 2 4 4 Temperature sensor adjustment 20 61465 86 J 50 17 599 59 75 7 214 141 gt 80 6121 85 523 34 J 90 4459 31 120 0 25 0 125 1 653 3 9 150 0 893 51 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 values and corresponding temperatures see table Page 03 07 MINUTO 04 OPERATING LOGIC 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 There are two magnets 6 in the gear wheel at every rotation these induce two pulses to a Hall sensor which in turn transmits them to the electronic system 4 6 Low bean level detection dose quantity adjustment coffee grinder blocked No coffee A low coffee 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 ulses will be greater With be
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