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CHAPTER 6 

                                     

SERVICING AND 

MAINTENANCE

Summary of Contents for PICO BARISTO AMF

Page 1: ...onal Group Subject to modification PICO BARISTO AMF OTC 10 09 2015 EN 4219 400 00035 General Information Description Value Housing material Thermoplastic material Size w x h x d 221 x 335 x 430 mm Weight OTC 8 9 kg AMF 8 5 kg data may vary depending on the model Power Cord length 0 8m 1 2m Control panel Front Cup size Up to 152 mm Water tank 1 8 litres Removable type Coffee bean hopper capacity 25...

Page 2: ...erformance 1 2 3 Specification for the measurement of the coffee products temperature 3 2 3 1 Specification for the measurement of the Milk products temperature 4 3 Brief instructions 3 1 Warning icons and error codes PICO BARISTO AMF OTC 1 3 2 Meaning of error codes 1 3 3 Troubleshooting 2 Table of contents Page History Modifications to service manual 7 Disassembly 7 1 Outer Shell 1 7 2 Coffee gr...

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

Page 4: ...erforming 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 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 ...

Page 5: ...n properly and has to meet the safety require ments and legal regulations as officially laid down at this moment Pump Safety valve Water discharge Steam pipe Water tank Two way solenoid valve Brewing Unit Flowmeter Boiler Water Hot water steam From this point circuit High temperaure From this point circuit in pressure Flowmeter Steam and hot water Two way solenoid valve Pump Brewing Unit Boiler Sa...

Page 6: ...c exploded view of the machine on website THERMAL CARAFE Only for OOW repairs YES to consult the specific exploded view of 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 1 5 Service POLICY grid as used for coffee machines For IN WARRANTY repairs is m...

Page 7: ... MENU SPECIAL DRINKS button 10 DOWN button 11 UP button 12 MILK FROTH button 13 HOT WATER button 14 AROMA STRENGTH button 15 Steam tube 16 Automatic milk frother 17 Adjustable removable cof fee dispensing spout 18 Lid of the water tank 19 Lid of the bean hopper 20 Lid of the pre ground cof fee compartment 21 Service door 22 Socket for cord 23 Main switch 24 Drip tray release button 25 Cord 26 Wate...

Page 8: ...on 15 Protection cover 16 Adjustable removable cof fee dispensing spout 17 Lid of the water tank 18 Lid of the bean hopper 19 Lid of the pre ground cof fee compartment 20 Main switch 21 Socket for cord 22 Service door 23 Drip tray release button 24 Milk froth dispensing spout 25 Lid of the milk carafe 26 Top of the milk carafe 27 Milk carafe 28 Cord 29 Water hardness tester 30 Cleaning brush 31 Gr...

Page 9: ...PICO BARISTO 01 INTRODUCTION 6 6 1 6 3 Internal machine parts Turbine Pump Safety valve PW CPU P C B Coffee grinder motor Grinding adjustment insert Boiler Coffee grinder Valve Boiler pin ...

Page 10: ...CHAPTER 2 TECHNICAL SPECIFICATIONS ...

Page 11: ...ater 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 the heating phase approx 5 6 A Dimensions W x H x D in mm 221 x 335 x 430 mm data may vary depending on the model Weight OTC 8 9 kg AMF 8 5 kg data may vary depending on the model Water tank capacity 1 8 l removable C...

Page 12: ... Soft up to 7 dH 240 litres 480 000 pulses 210 litres 420 000 pulses 2 Medium 7 14 dH 120 litres 240 000 pulses 105 litres 210 000 pulses 3 Hard 15 21 dH 60 litres 120 000 pulses 52 5 litres 105 000 pulses 4 Very hard over 21 dH 30 litres 60 000 pulses 26 25 litres 52 500 pulses The default water hardness level is 4 Each litre of water corresponds to approximately 2 000 pulses WATER TANK Descripti...

Page 13: ...rmocouple 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 reported 4 Test measur...

Page 14: ...let 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 t...

Page 15: ...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 sole noid valve in place of the steam tap Automatic Carafe Cappuccino Pinless wonder e g New Royal Energica Pure Intelia EVO Latte etc After setting the machine to delivery of 100gr of product 1 Launch the hot milk...

Page 16: ...CHAPTER 3 BRIEF INSTRUCTIONS ...

Page 17: ...error codes to see what the code on the display means and what you can do The mac hine cannot be used when this icon is on the display Meaning of error codes Error code Problem Cause Possible solution 1 Coffee grinder blocked Coffee exit duct clogged Clean the coffee exit duct thoroughly with the handle of the multifunctional tool or a spoon handle 36 English INSERT CARAFE The milk carafe is not i...

Page 18: ...e machine The drip tray is quickly filled This is normal The machine uses water to rinse the internal circuit and brew group Some water flows through the internal system directly into the drip tray Empty the drip tray when the drip tray full full indicator pops up through the drip tray cover Place a cup under the dispensing spout to collect rinsing water The coffee grounds container full icon rema...

Page 19: ...f the brew group is in the correct position Reset the machine by switching it on and off Place the drip tray and the coffee grounds container back Leave the brew group out Close the service door and switch the machine on and off Then try to reinsert the brew group The coffee has too little cream or is watery The grinder is set to a coarse setting Adjust the grinder to a finer setting The brew grou...

Page 20: ...poon handle The machine circuit is blocked by limescale Descale the machine The milk does not froth The milk carafe is dirty or not inserted correctly Clean the carafe and make sure that you position and insert it correctly The milk froth dispensing spout has not been opened fully Check that the milk froth dispensing spout has been set in the correct position The milk carafe is incompletely assemb...

Page 21: ...er having brewed approx 50 coffees based on 100ml cups The machine has to be completely limescale free before installing the AquaClean filter First descale the machine and then install a new AquaClean filter After descaling the filter counter is reset to 0 8 Always confirm filter activation in the machine menu also after filter replacement The AquaClean filter was not activated in the menu at firs...

Page 22: ...u install the filter You try to install another filter than the AquaClean filter Only the AquaClean filter will fit There is water under the machine The drip tray is too full and overflowed Empty the drip tray when the drip tray full indicator pops up through the drip tray Always empty the drip tray before you start descaling the machine The machine is not placed on a horizontal surface Place the ...

Page 23: ...CHAPTER 4 OPERATING LOGIC ...

Page 24: ... PICO BARISTO 04 OPERATING LOGIC 1 7 Water tank Boiler Pump Flowmeter Water discharge Safety valve Brewing Unit Steam and hot water or milk carafe Two way solenoid valve Water Hot water steam 4 1 PICOBARISTO AMF OTC ...

Page 25: ...ycle 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 ...

Page 26: ...ption 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 4 3 1 Temperature 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 The gear motor is powered by...

Page 27: ...s the lower grinder 4 and the increment pin 5 mA I0 I0 100 I0 55 I0 200 Aroma 4 5 Aroma 2 3 Aroma 1 Auto Zero 100 I0 300 I0 current when the BU is moving without load i e without coffee It occurs for example dur ing the rinsing phase of coffee spout Current targets Aroma 1 55mA Aroma 2 3 100mA Aroma 4 5 200mA 100 mA I0 300 mA If the BU current is the current target the grinding time If the BU curr...

Page 28: ...T2 T3 beside every grinding time is respectively 4 0s T3 10s 10000ms 3 5s T2 9s 9000ms 3 0s T1 8 1s 8100ms The machine uses an ALGORITHM that considers the current absorbed by the coffee grinder beside it considers if the grinder is old or new and if it is warm or cold DOSE ADJUSTMENT 5 levels Grinder Time Min Grinder Time Max Grinder Time Curret target Aroma of the grinded product Aroma1 Very Lig...

Page 29: ...s 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 200 puls Sensor Water tank 4 8 Milk Carafe 1 Steam input 2 Bring the cappuccino maker into dispensing position 3 Milk tank 1 2...

Page 30: ...ucts the TH is set to 30 liters 30 liter minus 1 8 is 26 25 liters The first filter expi res at 62 5liters the warning DESCALE should appear at 26 25 62 5 88 75 liters from start If the consumer is using the AquaClean filter and replaces it when indicated by the machine The machine needs to be descaled after 8 filter replacements When the 8th filter needs to be replaced the machine will inform you...

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

Page 32: ...Machine This ap plication is used in order to test the machine in its mechanics and electronic components To enter Test Mode The machine enters in Test mode by holding pressed together Espresso and Aroma Strength buttons while switching on the machine by the main switch on the backside of the CA Once entered in Test Mode the display shows the firmware version Page 0 The Test Mode is organized into...

Page 33: ...ower off mode at the start up all loads are turned off TEST MODE Page 0 Pressing button N TEST MODE Page 1 Pressing button N TEST MODE Page 2 Pressing button N TEST MODE Page 3 Pressing button N Pressing button N TEST MODE Page 4 Pressing button N TEST MODE Page 5 PICO BARISTO 05 SERVICE MODE 2 11 Page 2 Input signals testing a Water level sensor b Carafe sensor c Water Spout sensor d Bean s lid s...

Page 34: ...y in t he relative numbering of button pressed and a white led switchs on u nder the button pressed The backlight color remains WHITE ERROR If Y desn t appears on display check the interfac e board and the flat cable JP17 ERROR If Y appears on display but close to a different number check the interface board ERROR If more than one Y appears on display check the interface board ERROR If the white l...

Page 35: ...pressed a Y appears on the display close to the number 12 11 white leds switch on under the buttons for m A to M and 1 red led switch on under the button N The backlight color remains WHITE ERROR If Y desn t appears on display check the interfac e board and the flat cable JP17 ERROR If Y appears on display but close to a different number not 1 check the interface board ERROR If more than one Y app...

Page 36: ... INPUTS Start condition no water inside water tank no carafe or water spout inserted door open drip tray removed BU not inserted Insert a full Water Tank The indication TANK H20 changes from N to Y NOTE the switching from N to Y requires about 1 2 seconds ERROR The indication TANK H2O doesn t change check the capacitive sensor fixing and the wiring JP19 Insert the Carafe The indication CARAFE chan...

Page 37: ...klight changes from white to red check the BU and the motor Press the G 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 less than 200mA without BU or 300mA with BU Test Mode Incanto Filename 20150805_TestMode_PicoBaristo_v01 doc ERROR Without BU The absorbed current is higher than 200mA the display backlight c...

Page 38: ... out the pipe check the wi ring from the flowmeter to the CPU POWER board JP5 If no wat er comes out the pipe check the pump and the wiring from th e pump to the CPU POWER board JP9 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 the N button Test Mode Incanto Filename 20150805_TestMode...

Page 39: ... to red check the wiring from the NTC temperature sensor to the CPU POWER board JP3 Press the A button to switch on the Heater Test Mode Incanto Filename 20150805_TestMode_PicoBaristo_v01 doc 02 Nicola Laffi philips com 06 08 2015 14 16 revNum Author Verified Approved SaveDate P PP The absorbed current Amperometer on the main supply is OK the indication HEATER changes from OFF to ON and the temper...

Page 40: ...cument describes the Steam Out procedure the appli cation is used in order to empty the heater 1 Steam Out The machine enters in Steam Out mode by holding pressed to gether the B button and the L button while switching on the machine by main switch behind it Once entered the Steam Out mode the display shows the STEAM OUT indication Buttons can be released IMPORTANT NOTE to execute the Steam out pr...

Page 41: ...LISH Set the default language to English aroma 3 Beans Aroma for coffee time_sleep 15 minutes Timer for enter in stand by from normal mode last_error_logged 0 Last error saved in machine gr bu_uc_arr jj 150 Array of last 4 brew unit effort during rinsing cycle in milliamperes Autozero for new autodose system gr bu_uc_arr_ptr 0 Pointer in the previuous array resetted gr time_aroma 0 5500 Grinding t...

Page 42: ...o activate a new filter 5 3 Error Codes for Out of Order alarm CODE Description NOTES 01 The grinder is blocked 02 The grinder is disconnected 03 The BrewUnit is blocked in work position 04 The BrewUnit is blocked in home position 05 The hydraulic circuit is clogged 10 The temperature sensor is in short circuit 11 The temperature sensor is opened 14 The temperature was up to 170 15 The machine doe...

Page 43: ...CHAPTER 6 SERVICING AND MAINTENANCE ...

Page 44: ...r not the Britta filter Check Replace Water tank lip seal Check Replace Boiler pin O ring Clean align Coffee grinder Vacuum cleaner brush Descale the water Circuit Check Replace Hot water steam valve 10 Internal check cleaning Check Clean Grease Brewing unit 11 Operational test while the appliance is open Check Hoses attachments and Oetiker clamps Check Pump for operation noise Check Gear motor fo...

Page 45: ...chamber and conveyor 16 Clean and dry brew unit coffee bin and drip tray Lubricating the brewing unit with suitable grease External cleaning 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 Check completeness accessories according income log 19 Neatly pack the product Doc...

Page 46: ...CHAPTER 7 DISASSEMBLY ...

Page 47: ...l connection remove the display end the block support KYB Cover a screwdriver with adhesive paper to prevent scratching the chromed shell Remove the frame top cover and the front pa nel controls PICO BARISTO 07 DISASSEMBLY 1 6 7 1 Outer shell PICOBARISTO OTC PICOBARISTO AMF Remove the water tank coffee dispens er drip tray dump box brewing unit carafe or hot water dispenser ...

Page 48: ... the coffee bean hopper with the aid of the wrench supplied C A B 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...

Page 49: ...embling the assembly to be careful to cor rectly position the spring hot water dispenser Removes the covers shown Unscrew the screws highlighted and remove the steam tube Unscrew the screws highlighted and remove the insert panel coffee di spenser right door and the central plate Unscrew the screws highlighted and re move the boiler pin A 7 6 Central plate 7 7 Pin boiler A PICO BARISTO 07 DISASSEM...

Page 50: ...ns 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 51: ...f the brackets D Unhook the pump from the supports C D D A A A B B B 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 Unscrew the screw shown at un thread the support boiler Loosen the screws slide the card off the support and disconnect the electrical connections L...

Page 52: ...al connections PICO BARISTO 07 DISASSEMBLY 6 6 7 14 KYB interface and display Use a suitable pair of pliers to remove the clamp as illustrated Tighten the clamp as illustrated 1 Boiler connection 2 Other connections 7 15 Fitting and removing Oetiker clamps 1 2 1 2 ...

Page 53: ...CHAPTER 8 NOTES ...

Page 54: ...PICO BARISTO 08 NOTES 1 1 ...

Page 55: ...CHAPTER 9 WATER CIRCUIT DIAGRAM ...

Page 56: ...PICO BARISTO 09 WATER CIRCUIT DIAGRAM 1 1 9 1 Water circuit diagram Flow meter Water tank Assy Solenoid valve Water drain Pump Boiler Safety valve Boiler pin Steam and hot water ...

Page 57: ...CHAPTER 10 ELECTRICAL DIAGRAM ...

Page 58: ...PICO BARISTO 10 ELECTRICAL DIAGRAM 1 1 10 1 Electrical diagram ...

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