Philips HD 8753 Service Manual Download Page 21

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INTELIA 04 OPERATING LOGIC

Saeco International Group

Rev. 01 / September 2011

Page / 08

Steam pipe

Compensation v

alv

e w

ater outlet

Flow

-meter

1900 W boiler

ater

Hot w

ater /steam

Two-

ay solenoid v

alv

Pompa

ater tank

Brewing unit

aditional w

ater system

•

Flow meter – Amount of cof

fee dis-

•

pensed into the cup Reciprocating piston t

ype pump

•

(13 - 15 bar) Compensation v

alv

•

(opening pressure 16 - 18 bar) Boiler – 1900 W

•

Two-

ay solenoid v

alv

•

Intelia Focus e Class

Summary of Contents for HD 8753

Page 1: ...gramming menu 1 3 2 Intelia Focus and Class customer and programming menu 2 3 3 Operation cleaning and maintenance 3 4 Operating logic 4 1 Water circuit 1 4 2 Coffee cycle 3 4 3 Single microswitch 4 4 4 Temperature sensor 4 4 5 Coffee grinder 5 4 6 Low bean level detection dose quantity adjustment coffee grinder blocked 5 2011 Sept 30 Table of contents Page 4 7 Dose self learning SAS 6 4 8 Water l...

Page 2: ...10 Flow meter 6 7 11 Power board 6 7 12 Water sensor control board 6 7 13 Gear motor 7 7 14 Boiler 9 7 15 Dispenser assembly 9 7 16 Valve disassembly 9 7 17 Control board and display 10 7 18 Fitting and removing Oetiker clamps 11 8 Notes 9 Water circuit diagram 10 Electrical diagram ...

Page 3: ...Saeco International Group Rev 01 September 2011 INTELIA CHAPTER 1 INTRODUCTION ...

Page 4: ...Center Programmer for programming and diagnostics mode 1 3 Material Description Notes Thermal paste Heating element 200 C Descaler Saeco descaler Grease solvent Personal choice Silicone grease 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 elect...

Page 5: ... x x x Milk carafe x Cappuccino maker x Pannarello frother x Automatic dosing SAS x x x Dispensed coffee memory capacity x x x Automatic shutdown after 30 inactivity x x x Automatic descaling cycle x x x Height adjustable dispenser x x x Cup stand x x x Removable dispenser x x x Automatic descaling cycle x x x Drip tray presence sensor x x x 02 CLASS FOCUS CAPPUCCINO ...

Page 6: ...h Grinding adjustment Control panel Milk carafe Water dispenser removable Intelia Cappuccino Pre ground coffee compartment Coffee dispenser Brewing unit Water tank Drip tray release button Display cappuccino button ON OFF button Espresso dispensing button Long espresso dispensing button Hot water steam selection button MENU button Aroma Pre ground button Drip tray grille Service hatch ...

Page 7: ...cus Cappuccino valve Intelia Class Dreg drawer Power cable socket and main switch Control panel Pre ground coffee compartment Coffee dispenser Service hatch Brewing unit Water tank Display ON OFF button Espresso dispensing button Long espresso dispensing button Hot water steam selection button MENU button Descaling button Intelia Focus Aroma Pre ground button Intelia Class e Focus ...

Page 8: ...Rev 01 September 2011 Page 05 1 6 2 Internal machine parts 05 Boiler pin Pump Flow meter Power cable connector Safety valve Boiler cover and boiler Power board Grinding adjustment insert Steam pipe KYB Interface card 2 way solenoid valve Coffee grinder ...

Page 9: ...Saeco International Group Rev 01 September 2011 INTELIA CHAPTER 2 TECHNICAL SPECIFICATIONS ...

Page 10: ...pprox 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 W x H x D in mm 256x340x...

Page 11: ...y manually or auto matically after 30 if at least one coffee has been dispensed 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...

Page 12: ...fiable by Production Service 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 durin...

Page 13: ...Saeco International Group Rev 01 September 2011 INTELIA CHAPTER 3 USER INSTRUCTIONS ...

Page 14: ...emachineisbeingprogrammed with the coffee cup fill level Machine in pre heating phase for coffee hot water and steam dispensing The appliance is rinsing wait until end of operation The machine signals that the INTENZA filter must be replaced Brewing unit resetting during appliance reset Fill the coffee bean container and start the dispensing cycle Proceed to load the circuit ON OFF button espresso...

Page 15: ... function lets you adjust the time for switching to Stand By after the last dispensing Contrast This function lets you adjust the display contrast for better viewing of the messages INTENZA water filter This function lets you manage the INTENZA water filter For details see the paragraph concerning the filter management Descaling Cycle This function lets you execute a descaling cycle Factory settin...

Page 16: ...dispensing for hot water dispensing Machine at correct temperature for pre ground coffee dispensing Hot water steam selection Water dispense pipe spout Steam water dispensing Machine in phase for dispensing 1 cup of espresso Machine in phase for dispensing 2 cups of espresso Machine in phase for dispensing 1 cup of espresso Machine in phase for dispensing 2 cups of espresso Themachineisbeingprogra...

Page 17: ...ne is switched on Press the menu button to access the programming menu Coffee temperature only Class This function allows the coffee dispensing temperature to be adjusted Timer stand by only Class This function lets you adjust the time for switching to Stand By after the last dispensing Contrast only Class This function lets you adjust the display contrast for better viewing of the messages INTENZ...

Page 18: ...ter 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 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 3 Each litre of water corresponds ...

Page 19: ...Saeco International Group Rev 01 September 2011 INTELIA CHAPTER 4 OPERATING LOGIC ...

Page 20: ...0 W boiler Water Hot water steam Compensation valve water outlet Pump Water tank Traditional water system Flow meter Amount of coffee dispensed into the cup Reciprocating piston type pump 13 15 bar Compensation valve opening pressure 16 18 bar Boiler 1900 W Two way solenoid valve Three way solenoid valve Intelia Cappuccino Brewin g unit Three way solenoid valve ...

Page 21: ... Flow meter 1900 W boiler Water Hot water steam Two way solenoid valve Pompa Water tank Brewin g unit Traditional water system Flow meter Amount of coffee dis pensed into the cup Reciprocating piston type pump 13 15 bar Compensation valve opening pressure 16 18 bar Boiler 1900 W Two way solenoid valve Intelia Focus e Class 02 ...

Page 22: ...onstant level Coffee cycle The coffee grinder starts the grinding process controlled by pulses generated by a sensor 1 The gear motor brewing unit moves to the brewing position 2 Preliminary dispensing phase short pump activity short pause 3 Product dispensing the pump operation period is defined by the amount of product dis 4 pensed The gear motor moves to its home position the dregs are expelled...

Page 23: ...res see table 4 4 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 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 ...

Page 24: ...system 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 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...

Page 25: ...he 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 Important For perfect o...

Page 26: ...y Water low continues to be displayed during the following dispensing cycle 200 puls Sensor Water tank 07 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...

Page 27: ...g a 3 stage bypass A B C depending on the degree of hardness See small image Bypass 4 10 Water filter 08 1 Steam input 2 Cappuccino maker 3 Bring the cappuccino maker into dispensing position before inserting the carafe in its seat 4 Milk tank 4 11 Intelia Cappuccino milk carafe The steam passes through the pipe creating a sucking effect that pulls the milk upwards The milk is heated by the steam ...

Page 28: ...Saeco International Group Rev 01 September 2011 INTELIA CHAPTER 5 TROUBLESHOOTING ...

Page 29: ...s on to Button 4 must be pressed at the end only once since pressing it moves on to the next page the next page ERROR condition ERROR condition The letters do not change from N to Y or are always Y in this case check the flat communication The letters do not change from N to Y or are always Y in this case check the flat communication cable with the Control Board Power Board if it does not change c...

Page 30: ...ange from N to Y ERROR Condition ERROR Condition If the indication does not change check the brewing unit microswitch and If the indication does not change check the brewing unit microswitch and relative wiring JP4 relative wiring JP4 Insert the Carafe Insert the Carafe The CARAFE indicator must change from N to Y The CARAFE indicator must change from N to Y ERROR Condition ERROR Condition If the ...

Page 31: ...rs on the motor and the motor housing in its seat brewing unit the gears on the motor and the motor housing in its seat Press the COFFEE button to shift the unit into Home position When the Press the COFFEE button to shift the unit into Home position When the unit reaches HOME position the indication changes from N to Y the unit reaches HOME position the indication changes from N to Y the absorpti...

Page 32: ... 3 way normally Press the AROMA button to activate solenoid valve EV2 3 way normally open open The water is dispensed from the steam pipe IMP indicates an increasing The water is dispensed from the steam pipe IMP indicates an increasing number of pulses L H must be between 10 and 18 number of pulses L H must be between 10 and 18 ERROR ERROR The pulses remain at 0 the display turns red this means t...

Page 33: ...nnected the display turns from green NTC temperature sensor is disconnected the display turns from green to red to red In this case check the continuity of the NTC wiring and check the con In this case check the continuity of the NTC wiring and check the con nection to the Control Board Power Board JP13 nection to the Control Board Power Board JP13 Press the COFFEE button to activate the Boiler Pr...

Page 34: ... 6 the display color changes from GREEN to RED By pressing buttons 2 5 the display color changes from GREEN to YELLOW By pressing buttons 2 5 the display color changes from GREEN to YELLOW Button 4 must be pressed at the end only once as when pressed it moves to Button 4 must be pressed at the end only once as when pressed it moves to the next page the next page ERROR condition ERROR condition The...

Page 35: ...must be less than 200mA without the brewing unit on and less than 300mA with the brewing unit on on and less than 300mA with the brewing unit on ERROR condition ERROR condition The WORK indicator always stays on N The WORK indicator always stays on N ERROR ERROR The WORK indicator changes and remains permanently on N while the The WORK indicator changes and remains permanently on N while the displ...

Page 36: ... check the If the absorbed current exceeds 300 mA the display turns red check the brewing unit the gears on the gear motor and the motor housing in its seat brewing unit the gears on the gear motor and the motor housing in its seat If the dreg drawer is in position and the side hatch closed the EV cannot be If the dreg drawer is in position and the side hatch closed the EV cannot be done If it is ...

Page 37: ...n this case check the wiring on the NTC or the CPU POWER inlet JP13 in this case check the wiring on the NTC or the CPU POWER inlet JP13 ERROR ERROR If the HEATER indicator displays the word OPEN this means that the NTC If the HEATER indicator displays the word OPEN this means that the NTC temperature sensor is disconnected the display changes from green to red temperature sensor is disconnected t...

Page 38: ...e procedure the 2 way solenoid valve remains open and the steam is discharged steam is discharged Caution Caution If the dreg drawer is not fully in the machine will ask you to insert it this If the dreg drawer is not fully in the machine will ask you to insert it this must be done otherwise the 2 and 3 way solenoid valves are not powered must be done otherwise the 2 and 3 way solenoid valves are ...

Page 39: ...me position microswitch not released in down position after 3 torque error trying to move up ascent time out exceeded 05 05 Water circuit flow meter problems water circuit blocked or no flow meter signal 10 10 Boiler temperature sensor short circuited 11 11 Boiler temperature sensor open circuit 14 14 The boiler temperature has exceeded the maximum allowed value 165 c 15 15 The boiler temperature ...

Page 40: ...Saeco International Group Rev 01 September 2011 INTELIA CHAPTER 6 STANDARD CHECKS ...

Page 41: ...al test while the appliance is open 12 Assembly 13 Final inspection test 14 Draining the circuit in winter 15 External cleaning 16 Lubricating the brewing unit with suitable grease 17 Insulation test HG 701 dielectric 18 Documentation S Replacement P Cleaning ES Visual inspection TR Noise test D Descaling R Adjustment Component Action Support tool Water filter P S Water tank lip seal S Boiler pin ...

Page 42: ...eam Blow into the cup until the cream separates The cream should come together again to form a complete layer Cream colour Hazel brown Temperature Reading taken while dispensing Thermometer 84 C 4 C Grinding level Check the grain size of the ground coffee Hot water Dispense water Steam Dispense steam Dreg drawer missing indication Remove the dreg drawer Dreg drawer missing indication Low bean leve...

Page 43: ...Saeco International Group Rev 01 September 2011 INTELIA CHAPTER 7 DISASSEMBLY ...

Page 44: ...n tainer cover drip tray dreg drawer brewing unit carafe or hot water dispenser Unscrew the screws shown and remove the finger protection Lift the top cover Unscrew the screws shown and slide out the left side body Loosen the screws as illustrated slide out the rear body and the sound insulating cover of the coffee grinder 01 Slide out the hatch ...

Page 45: ...he finger protection Raise the top cover Loosen the screws as illustrated and remove the left side body Loosen the screws as illustrated slide out the rear body and the sound insulating cover of the coffee grinder 7 3 Coffee grinder Loosen the screws as illustrated and remove the sound insulating cover Raise the coffee grinder and remove the connections When reassembling the coffee grinder make su...

Page 46: ... 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 For a standard adjustment both markings must be aligned 7 4 Grinder blades A B ...

Page 47: ...4 Loosen the screws holding the solenoid valve to the upper plate 5 Disconnect all electrical and water circuit connections Adjustment by a service center 7 5 Coffee grinder adjustment 7 6 Intelia Cappuccino three way solenoid valve C 1 2 3 4 4 5 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 pa...

Page 48: ...enoid valve to the upper plate 4 Disconnect all electrical and water circuit connections 7 7 Intelia Class and Focus two way solenoid valve 2 3 4 1 1 Loosen the screws holding the front cover of the carafe fitting body and release it from its seat 2 Loosen the screws as illustrated 3 Remove carafe presence sensors 4 Remove carafe fitting Teflon pipe 7 8 Intelia Cappuccino carafe fitting body 05 1 ...

Page 49: ...n and remove the card guard Slide the card off the support and disconnect the electrical connections Disconnect the water circuit connections A and electrical connections B loosen the safety valve C and slide the pump off the brackets D 06 7 11 Control board A B D D C A A 7 12 Water sensor control board Slide the card off the support Slide out the pipe connecting the flow meter to the pump Loosen ...

Page 50: ...ilk jug plug body assembly Unscrew the screws in the front cover and lift it off the milk jug plug body from the place 07 Unscrew the screws as illustrated and remove the front panel to access the screws which fix the dispenser cover into place Slide out the fork as illustrated Unscrew the screws shown and remove the finger protection Lift the top cover Unscrew the screws shown and slide out the l...

Page 51: ...microswitch E Microswitch F 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 Loosen the screws as illustrated and remove the boiler pin A Replace the gear B making sure that the imprint of the arrow is aligned with the opening containing the pin P When replacing...

Page 52: ...screws as illustrated and remove the front panel to access the screws which fix the dispenser cover into place Press the hooks as illustrated and slide out the dispenser assembly Slide out the fork as illustrated Release the boiler cover and take it off Loosen the screws as illustrated and remove the front panel to access the screws which fix the dispenser cover into place Loosen the screws as ill...

Page 53: ...Loosen the screws as illustrated Remove the frame from the keypad and the display Remove the electrical connections between the card and the display and release the card from the support Loosen the screws as illustrated 10 Loosen the screws as illustrated and release the insert in the bottom of the body to obtain easy access for valve disassembly Loosen the screws as illustrated remove the hydraul...

Page 54: ...International Group Rev 01 September 2011 Page 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 18 Fitting and removing Oetiker clamps 11 ...

Page 55: ...Saeco International Group Rev 01 September 2011 INTELIA CHAPTER 8 NOTES ...

Page 56: ...INTELIA 08 NOTES Saeco International Group Rev 01 September 2011 Page 01 01 ...

Page 57: ...Saeco International Group Rev 01 September 2011 INTELIA CHAPTER 9 WATER CIRCUIT DIAGRAM ...

Page 58: ...bo silicone Assy Solenoid valve Assieme Elettrovalvole 4 bar Valve Valvola 4 bar Water drain Scarico acqua Water drain Scarico acqua Pump Pompa Boiler Caldaia Jug connection Safety valve Valvola di sicurezza Intelia Cappuccino Silicone tube Tubo silicone Silicone tube Tubo silicone Tefl on tube Tubo Tefl on Silicone tube Tubo silicone Silicone tube Tubo silicone Silicone tube Tubo silicone Brew un...

Page 59: ...e 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 Intelia Focus and Class ...

Page 60: ...Saeco International Group Rev 01 September 2011 INTELIA CHAPTER 10 ELECTRICAL DIAGRAM ...

Page 61: ...INTELIA 10 WIRING DIAGRAM Saeco International Group Rev 01 September 2011 Page 01 01 Intelia Focus and Class ...

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Philips HD 8753, Service Manual

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