Philips HD 8930 Service Manual Download Page 21 | Manualshive

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NEW ROYAL 04 OPERATING LOGIC

Saeco International Group

Rev. 00 / July 2011

Page / 07

4.1. Water circuit

01

Acqua

calda

Acqua

Vapor

e

Acqua

calda

o

vapor

e

EROGAZIONE ACQUA

CALDA

AL

CAPPUCCINA

TORE

ALLO SCARICO

ASSIEME GENERALE CALDAIA

V

APORE

ALLO SCARICO

AL

GRUPPO CAFFE’

ASSIEME

GENERALE TURBINA

SERBA

TOIO ACQUA

ASSIEME POMP

A V

APORE

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Summary of Contents for HD 8930

Page 1: ...tents Page 4 8 Water level detection water tank 6 4 9 Descaling request 6 4 10 Water filter 7 5 Troubleshooting 5 1 Test mode 1 5 2 Diagnostics mode 5 5 3 Error messages 7 6 Servicing and maintenance 6 1 Repair Flow 1 7 Disassembly 7 1 Outer elements 1 7 2 Coffee grinder 1 7 3 Grinder blades 2 7 4 Coffee grinder motor 3 7 5 Doser hatch coil and microswitch 3 7 6 Doser hopper 3 7 7 Coffee boiler an...

Page 2: ...eco International Group Rev 00 July 2011 NEW ROYAL MODIFICATIONS TO SERVICE MANUAL From Rev To Rev Chapter Inserted Modified Rev 00 Rev01 01 Par 1 4 Safety warnings 1 5 Service Policy 02 Par 2 3 Specification for the meas urement of the coffee products temperature Par 2 3 1 Specification for the measurement of the Milk products temperature 06 Par 6 1 Repair Flow ...

Page 3: ...Saeco International Group Rev 00 July 2011 NEW ROYAL ...

Page 4: ...s 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 01 Disassembling the machine the operator must pay attention to hot and under Pressure parts boiler pin boiler valves dispensing steam tube...

Page 5: ... 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 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...

Page 6: ...te Grinding adjust ment Coffee dose adjustment MENU OK ESC Cappuccino maker Clean button or used to scroll through the menu Page Up Special Drinks selection button or used to exit the menu ESC ON OFF button Cappuccino dispensing button or used to scroll through the menu Page Down Coffee dispensing button or used to con firm selection OK Pre ground coffee button or MENU to access programming mode E...

Page 7: ...al Group Rev 00 July 2011 Page 04 1 7 Internal machine parts 04 Coffee grinding assembly Ground coffee hop per Power board Control board Doser assembly Coffee boiler Gear motor assembly Relief valve assembly Steam boiler Solenoid valve assembly ...

Page 8: ...Saeco International Group Rev 00 July 2011 NEW ROYAL ...

Page 9: ...5 bar with reciprocating piston and thermal switch 120 C 48 W 230V 50 Hz Steam pump Ulka HF with reciprocating piston 230V 50 Hz and thermal switch 120 C 22W Overpressure valve multi way valve Opening at approx 19 23 bar Water filter In tank Coffee grinder Direct current motor with conical steel grinder blades Power consumption During heating phase approx 5 6 A Consumption in Standby 0 3 W Dimensi...

Page 10: ... automatically after 30 if at least one coffee has been dis pensed before switching off No of pulses 130 100 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 ad justment option No No No of pulses Produc tion Service department adjustment option No No Pulse range Min Max No No 02 Descaling...

Page 11: ... of dregs Empty dreg drawer blocking alarm after double coffee is the last beverage dispensed 18 lots of dregs 19 lots of dregs Reset dreg counter The dreg drawer must be emptied only when prompted by the machine ensuring the machine is switched on and removing the drawer for more than 5 seconds STANDBY Description and values Inlet time min max 15 minutes 180 minutes Inlet time default 30 minutes ...

Page 12: ...e 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 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...

Page 13: ... pannarello 15mm on 100gr of brewed product Semi automatic system cappuccinatore 20mm on 100gr of brewed product Automatic system carafe cappuccinatore Pinless wonder New Royal Energica Pure Intelia EVO latte 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 s...

Page 14: ...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 sole noid 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 ...

Page 15: ...Saeco International Group Rev 00 July 2011 NEW ROYAL ...

Page 16: ...y 4 Special Drinks selection button ESC The button is used to access the list of special drinks the machine can dispense 2nd function Press to exit the selected page and or exit the programming mode and or stop the drink dispensing 4 CLEAN button washing Page UP The button is used to carry out a cleaning cycle of the cappuccino maker by dispensing steam for more details refer to the specific parag...

Page 17: ...able buzzers When the machine is switched on all the boilers coffee steam come on to allow the immediate preparation of all beverages When the appliance is switched on only the coffee boiler is activated The appliance consumes less power but takes longer to dispense milk beverages To disable buzzers This function governs activation of the boilers in the appliance for energy saving GENERAL MENU SOU...

Page 18: ...he Intenza water filter with a new one Proceed with the replacement of the filter The alarm is displayed only if the Enable Filter function is ON The machine indicates that in a few cycles time the dreg drawer will need emptying This message allows you to carry on dispensing beverages An event has occurred that requires restarting the appliance Note the code E xx shown at the bottom Switch off the...

Page 19: ...ess 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 4 Each litre of water corresponds to approx...

Page 20: ...Saeco International Group Rev 00 July 2011 NEW ROYAL ...

Page 21: ... July 2011 Page 07 4 1 Water circuit 01 Acqua calda Acqua Vapore Acqua calda o vapore EROGAZIONE ACQUA CALDA AL CAPPUCCINATORE ALLO SCARICO ASSIEME GENERALE CALDAIA VAPORE ALLO SCARICO AL GRUPPO CAFFE ASSIEME GENERALE TURBINA SERBATOIO ACQUA ASSIEME POMPA VAPORE ...

Page 22: ... which dispenses hot water only 3 Outlet for reducing the internal pipe pressure after dispensing 4 Safety valve protecting the valve assembly 5 Hot water or steam inlet according to selected beverage 1 Cappuccino maker assembly 2 Dispenser assembly 4 2 Frother unit valve assembly 4 3 Cappuccino maker assembly DRAIN PRESSURE RELIEF VALVE HOT WATER STEAM HOT WATER STEAM 1 1 2 1 2 3 4 5 ...

Page 23: ...9 bar Filling the circuit The solenoid valve opens drain position and the pump is activated automatically refilling the circuit by expelling the air in the pipe Unit discharge before the unit descends it opens briefly discharging the pressure created to prevent spraying and making the dregs drier Coffee beverage when a coffee beverage is selected the pump is charged briefly during the grinding pro...

Page 24: ...temperature will then remain at a constant level Coffee cycle 1 The coffee grinder starts grinding managed by the doser microswitch 2 The doser opens 3 The gear motor brewing unit moves to the brewing position 4 Preliminary dispensing phase short pump activity short pause 5 Product dispensing the pump operation period is defined by the amount of product dispensed 6 The gear motor moves to its home...

Page 25: ...es see table 4 7 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 6 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 c...

Page 26: ...y Water low continues to be displayed during the following dispensing cycle 200 puls Sensor Water tank 06 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: ...to form 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 Bypass 4 10 Water filter 07 ...

Page 28: ...Saeco International Group Rev 00 July 2011 NEW ROYAL ...

Page 29: ...C DX1 Clean cycle Scroll menu up DX2 Cappuccino Scroll menu down DX3 Latte macchiato DX4 Entry to Stand By The sectors highlighted in yellow on the following screens represent the various loads that can be activated by pressing the keys indicated in each sector This load is deactivated by pressing the same key once more The sectors highlighted in green provide information on the sensor status Othe...

Page 30: ...tores the ECOMODE value to the default value As stated above the default value depends on the Swiss setting Pow Off FUNCTION Indicates whether the machine will go to Stand By mode when powered up main electro mechan ical switch I O on if this occurs the words Pow Off are highlighted If it is disabled the machine will not go to Stand By mode straight after Power On ESC FUNCTION If pressed it exits ...

Page 31: ...es that the side hatch microswitch has been pressed m Dreg INFO If activated it indicates that the magnetic reed sensor for the dreg drawer presence is active container present m BU INFO If activated it indicates that the unit presence microswitch has been pressed xx INFO Indicates the current value set for the maximum quantity of dregs m Tray INFO If activated it indicates that the magnetic reed ...

Page 32: ...for 0 5 sec CupHeat FUNCTION Activates the cup heater plate T1 xx INFO indicates the temperature of the coffee boiler in C T2 xx INFO indicates the temperature of the water steam boiler in C NoBean INFO If activated it indicates that there is no coffee T O INFO Displays the 8 second countdown prior to boiler activation m Bean INFO If activated it indicates that the bean hatch is closed m Dose INFO...

Page 33: ...coffee American Coffee Hot water Cappuccino Latte macchiato Hot milk 3 Water counters 3 1 Descaling cycle Since last Since second last Since third last Number of execution 3 2 Brewing unit cleaning Number of execution Since last 3 3 Since production 3 4 Water filter Since last reset Number of reset 2 Error counters 2 1 Error log Error code Error index Error text 2 2 Errors reset 4 Hotwater flowrat...

Page 34: ...ype of error that has occurred ERRORS RESET All the errors are reset 3 WATER COUNTERS DESCALING CYCLES SINCE LAST default 0 Represents the consumption of water since the last descaling cycle SINCE SECOND LAST default 0 As above but for the penultimate descaling cycle SINCE THIRD LAST default 0 As above but for the third last descaling cycle NUMBER OF EXECUTION default 0 total no of descaling cycle...

Page 35: ...uit 07 Doser microswitch blocked Doser microswitch short circuit 10 Coffee boiler short circuit Coffee boiler temperature sensor short circuit 11 Coffee boiler in open circuit Coffee boiler temperature sensor in open circuit 12 Steam boiler short circuit Steam boiler temperature sensor short circuit 13 Steam boiler in open circuit Steam boiler temperature sensor in open circuit 14 Misc temperature...

Page 36: ...Saeco International Group Rev 00 July 2011 NEW ROYAL ...

Page 37: ...ilter the small filter 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 nois...

Page 38: ...r bean reservoir brew 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 Neatl...

Page 39: ...Saeco International Group Rev 00 July 2011 NEW ROYAL ...

Page 40: ...le Loosen the screw as illustrated and remove the grinding adjustment lever Loosen the screws as illustrated Vibration damper Slide out the coffee grinder from the vibration dampers as illustrated When disassembling check the position of the marks as illustrated and when re assembling return them to the same position Lift the upper lid and disconnect the electrical and water circuit connections wh...

Page 41: ...ace the three springs and three balls correctly When reassembling the adjusting lever 1 position it in the center 2 and tighten the screw as illustrated To adjust the distance between the grinders reconnect the coffee grinder and switch on turn the adjusting ring A slowly clockwise until the two grinders touch each other turn the adjusting ring A anticlockwise one notch Release the upper grinder l...

Page 42: ...rt Release the catch as illus trated and lift the coil Remove the cabling from the cable grips as illustrated Lift the hopper and release it from the rubber hooks as illustrated Remove the electrical connections and slide out the microswitch Lift the doser hatch using a lever in the pin and slide it out Remove the three grind ing dampers and the felt ring Release the motor support by lifting the c...

Page 43: ...ectrical and water circuit connections Remove the boiler support lift the pump upwards from the two supports and disconnect the electrical and water circuit connections Loosen the screw as illustrated remove the boiler support and disconnect the electrical and water circuit connections 7 7 Coffee boiler and steam boiler 7 8 Boiler pin Loosen the screws as illustrated and remove the boiler pin cove...

Page 44: ...cting brewing unit home and work posi tions Remove the large gear B Remove the gear C that meshes with the motor transmission shaft Remove the motor A complete with transmission shaft E When re assembling the gear B make sure that the arrow on the gear is in the same position as shown in the photo When replacing the motor and the transmission shaft make sure the guide runners L are in the right po...

Page 45: ...water circuit connections Loosen the screws on the support To remove the discharge valve A as illustrated firstly loosen the screws which hold the boiler pin cover in place then remove it Loosen the screw under the machine as illustrated Disconnect all electrical and water circuit connections Remove the front body cover as follows Loosen the screw A as illustrated Move the cover to the left to rel...

Page 46: ...easily Loosen the screws as illustrated and slide out the card sup port to access the solenoid valve assembly more easily Loosen the screws as illustrated slide out the display assembly and the dispenser assembly Loosen the screws as illustrated and remove the card cover Loosen the screws as illustrated remove the card cover and disconnect the electrical connections Dispenser assembly exploded vie...

Page 47: ...ol board Loosen the screws as illustrated and disconnect the elec trical connections and remove the display assembly Loosen the screws shown and slide out the keypads Loosen the screws as illustrated and disconnect all electrical connections Loosen the screws on the back of the display assembly as illus trated ...

Page 48: ...ev 00 July 2011 Page 09 Use a suitable pair of pliers to remove the clamp as illustrated Tighten the clamp as illustrated Control board and display card assembly 1 Boiler connection 2 Other connections 7 18 Fitting and removing Oetiker clamps 1 2 1 2 09 ...

Page 49: ...Saeco International Group Rev 00 July 2011 NEW ROYAL ...

Page 50: ...NEW ROYAL 08 NOTES Saeco International Group Rev 00 July 2011 Page 01 01 ...

Page 51: ...Saeco International Group Rev 00 July 2011 NEW ROYAL ...

Page 52: ...NEW ROYAL 09 WATER CIRCUIT DIAGRAM Saeco International Group Rev 00 July 2011 Page 01 01 ASSIEME VALVOLA DI SCARICO ...

Page 53: ...Saeco International Group Rev 00 July 2011 NEW ROYAL ...

Page 54: ...NEW ROYAL 10 WIRING DIAGRAM Saeco International Group Rev 00 July 2011 Page 01 01 ...

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