Saeco Classic Service Manual Download Page 106

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7. FAULT DIAGNOSIS

ROYAL

Page 4/12

REV.5 SEPT.2004

Saeco International Group

Does coffee have enough froth /

Is grain size of dregs correct?

Set coarser grind

- Is coffee dispensing

complete?

END

Grinding can be made

coarser

Yes

Replace grinding disc

END

Yes

Lock motor retainer

into place - END

Yes

Test motor retainer -

OK?

Summary of Contents for Classic

Page 1: ...the present document Any reproduction or unauthorised use of this manual without the prior written permission of the manufacturer or by contractual agreement is prohibited ROYAL CLASSIC ROYAL EXCLUSI...

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Page 3: ...al Group REV 4 SEPT 2003 Table of contents 1 Introduction 2 Technical data 3 Operation 4 Functions and timing 5 Service programme 6 Faults 7 Fault diagnosis 8 Repairs Service schedule 9 Disassembly 10...

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Page 5: ...Saeco International Group REV 4 SEPT 2003 CHAPTER 1 INTRODUCTION Page 1 Documents required 1 2 Equipment 1 3 Material 1 4 Safety instructions 1 5 Overview of product range 2...

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Page 7: ...erature range 150 C Suitable for point measurements 3 Material Description Comments Brand Heat conductive paste Temperature resistance 200 User s choice Bolt adhesive Temperature resistance 200 User s...

Page 8: ...eater x Professional Rapid Steam x x Rapid Steam Pipe heater x Professional Redesign x x Rapid Steam Pipe heater x Cappuccino x x Instant Steam x Flow heater x Cappuccino Redesign x x Instant Steam x...

Page 9: ...l Data Royal Classic 1 2 Technical Data Royal Digital Digital Redesign Exclusive 2 3 Technical Data Royal Cappuccino Professional Instant Steam Cappuccino Redesign 3 4 Technical Data Royal Professiona...

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Page 11: ...rs are operational Grinder conical grinder Motor Plastic grinding screw galvanised steel grinding cone and grinding disc 260 V Direct current Second doser 230 V Magnet coil Power consumption During he...

Page 12: ...Motor Plastic grinding screw galvanised steel grinding cone and grinding disc Direct current 260 V Second doser Coffee dose adjustable by means of lever 6 9g outside housing 230 V Magnet coil Second d...

Page 13: ...rbine and pump Gearmotor Direct current 30 35 V Cup heater Gear resistor Approx 437W 130 Grinder conical grinder Motor Plastic grinding screw galvanised steel grinding cone and grinding disc 260 V Dir...

Page 14: ...grinder Motor Plastic grinding screw galvanised steel grinding cone and grinding disc 260 V Direct current Second doser Coffee dose adjustable by means of lever 6 9g outside housing 230 V Magnet coil...

Page 15: ...r Plastic grinding screw galvanised steel grinding cone and grinding disc 260 V Direct current Second doser Coffee dose adjustable by means of lever 6 9g outside housing 230 V Magnet coil Second doser...

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Page 17: ...ions 3 2 2 User programme 5 3 Operation Profess Instant Steam Cappuccino Cappuccino Redesign Profess Redesign 7 3 1 Operating instructions 7 3 2 User programme 10 4 Operation Professional Rapid Steam...

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Page 19: ...ce 1 cup of coffee Press twice 2 cups of coffee Light on Flashes twice 10 To interrupt coffee making Press start button again Dispensing steam 11 Press steam button Heating stage Light on Light flashe...

Page 20: ...ewing unit does not turn on alarm LED flashes Coffee grinds container not properly installed Install brewing unit correctly Coffee bean container is empty Fill coffee beans container Brewing unit does...

Page 21: ...the desired quantity is reached Quantity programme 8 Place cup under dispenser Select product Ready for operation 9 Elect programme and press appropriate button Press once 1 cup of coffee Press twice...

Page 22: ...tank OVERHEATING After steam dispensing the system is not or is insufficiently de aerated De aerate machine GRINDER OBSTRUCTED Clean grinder DE AERATE Air in water system Open water nozzle Instead of...

Page 23: ...ow buttons 2 Access appropriate item using the ENTER button 3 Use the arrow buttons to handle each item 4 Confirm with the ENTER button Item Setting Indicator Standard Function Language Country German...

Page 24: ...ee Number Coffee quantity indicator Descale Activate descaling programme when descaling required Scale indicator reset YES NO Counter reset only if descaling indicator is activated With the exception...

Page 25: ...ached Quantity programme 8 Place cup under dispenser Select product Ready for operation 9 Elect programme and press appropriate button Press once 1 cup of coffee Press twice 2 cups of coffee 1 Coffee...

Page 26: ...n the Royal Professional Instant Steam Royal Cappuccino and Royal Cappuccino Redesign systems Cleaning Empty dregs drawer Storage capacity of 30 tablespoons dreg counter reset only if warning to empty...

Page 27: ...is dispensed Coffee powder selection button is pressed but no coffee powder is dispensed Add one level measure of coffee powder No water steam Steam nozzle blocked Free opening using a thin needle Th...

Page 28: ...r programme options Various cleaning programmes can also be activated Access Access is via the ENTER button keep pressed for a few seconds Access Royal Prof Redesign Capp Redesign Selection entry via...

Page 29: ...stened before actual brewing better aroma Pre grinding ON OFF OFF Pre grinds the next coffee dose Hot water programme ON OFF Activates or deactivates the hot water quantity programme see Operation Cap...

Page 30: ...ogramme 8 Place cup under dispenser Select product Ready for operation 9 Elect programme and press appropriate button Press once 1 cup of coffee Press twice 2 cups of coffee 1 Coffee 2 Coffees Coffee...

Page 31: ...unctions cannot be used parallel to the coffee programme in the Royal Professional Rapid Steam Royal Coffeebar and Royal Digital systems Cleaning Empty dregs drawer Storage capacity of 30 tablespoons...

Page 32: ...ly water is dispensed Coffee powder selection button is pressed but no coffee powder is dispensed Add one level measure of coffee powder No water steam Steam nozzle blocked Free opening using a thin n...

Page 33: ...or buttons arrow buttons 2 Access appropriate item using the ENTER button 3 Use the arrow buttons to handle each item 4 Confirm with the ENTER button Item Setting Indicator Standard Function Language...

Page 34: ...deactivates the hot water quantity programme see Operation Cappuccino programme ON OFF Activates or deactivates the cappuccino quantity programme see Operation not for Digital Total coffee Number Coff...

Page 35: ...tion by using the arrow and enter buttons New code number Save No Confirm code Use arrow button to select Yes New code number Save Yes Confirm code Press ENTER Code Use arrow button to access menu ite...

Page 36: ...code entry via arrow button Cancelling code Enter with new code 0000 If the programmed code is only used to read the counter reading the code entry can also be skipped However if an attempt is made to...

Page 37: ...ng is only possible when quantity programme in the user menu is ON Quantity programme 8 Place cup under dispenser Select product Ready for operation 9 Elect programme and press appropriate button Pres...

Page 38: ...via brewing unit Reset Under the descale indicator item Enter YES Enter Troubleshooting Fault Indicator Possible cause Remedy Does not function No power Check mains plug mains circuit breaker Ensure...

Page 39: ...Pre heat cups Coffee is not hot enough Boiler temperature too low Increase temperature in user programme Unsuitable coffee blend Change brand of coffee Coffee is no longer freshly roasted Use fresh co...

Page 40: ...us water heater 50 C 1 500 l 3 2 300 l 3 150 l Water hardness 4 80 l Change in coffee quantity until descaling required 1 4 Maximum High Medium Low Temperature Expresso Minimum Medium Adjustment of ex...

Page 41: ...er aroma Pre grinding ON OFF OFF Pre grinds the next coffee dose Quantity programme ON OFF OFF Locking or releasing of quantity programme Descale Activate descaling programme Duration Approx 45 min Sc...

Page 42: ...last reset and locks machine for coffee dispensing when a specific number is reached Counter Lock Number Number of coffees dispensed Programmable via arrow buttons Total coffee Total Number Number of...

Page 43: ...de entry Enter required number combination by using the arrow and enter buttons New code number Save No Confirm code Use arrow button to select Yes New code number Save Yes Confirm code Press ENTER Co...

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Page 45: ...am 4 1 4 WSP R Cappuccino Redesign 6 1 4 WSP R Coffeebar 9 1 5 WSP R Office 11 2 Electrical system 8 2 1 1 CPU IN OUT R Classic 12 2 2 1 CPU INPUT Royal Digital Exclusive 13 2 2 2 Control panel Royal...

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Page 47: ...brewing process Sensor KTY Transmits current temperature value to electronic system Thermostat Interrupts complete flow supply if overheating Boiler pin Valve plug Opens when brewing unit is aligned...

Page 48: ...ipe heating Transmits current temperature value to electronic system Thermostat 170 C Pipe heating Alternates current supply for heating system in event of overheating Boiler pin Valve plug Opens when...

Page 49: ...ue to electronic system Thermostat 170 C Pipe heating Alternates current supply for heating system in event of overheating Boiler pin Valve plug Opens when brewing unit is aligned with water circuit t...

Page 50: ...eous water heater Heating coffee hot water Heats water to approx 94 C for brewing process and hot water preparation 10 Instantaneous water heater Heating steam Steam generation Temperature approx 130...

Page 51: ...Alternates current supply for heating system in event of overheating 15 Boiler pin Valve plug Opens when brewing unit is aligned with water circuit to the unit itself 16 Steam valve For steam dispens...

Page 52: ...r Heating coffee hot water Heats water to approx 94 C for brewing process and hot water preparation 10 Pipe heating Heating steam Steam generation Temperature approx 130 C 11 Sensor KTY System 1 Water...

Page 53: ...to 4 bar for the steam system which enables the electromagnetic valve EV1 to open In the event of a fault very humid steam and inconsistent coffee quantities are obtained since the quantity of water d...

Page 54: ...noid valve EV2 Closed Solenoid valve EV3 Open 30 water pulses are generated via pump 2 Stage 3 Solenoid valve EV1 Closed Solenoid valve EV2 Open One minute pause is allowed for the descaling solution...

Page 55: ...ee hot water Heats water to approx 94 C for brewing process and hot water preparation 11 Sensor KTY Instantaneous water heater Transmits current temperature value to electronic system 12 Thermostat In...

Page 56: ...r boiler filling Solenoid valve for filling pipe heating system 18 Valve Cappumore Solenoid valve steam dispensing for Cappumore 19 Valve steam For hot water and steam dispensing 20 Valve water Soleno...

Page 57: ...at 17 bar 7 Instantaneous water heater Heating Heats water to approx 94 C for brewing process 8 Sensor KTY Transmits current temperature value to electronic system 9 Thermostat Alternates current sup...

Page 58: ...Pumpe TSI Pumpe TSI Tassenw rmer TSI Tassenw rmer Thermostat Boiler MS1 Getriebe schalter MS2 Getriebe schalter Dosier schalter HWD schalter Flow meter Temp Sensor MS Br h gruppe MS Satz schublade CPU...

Page 59: ...Brewing unit Microswitch MS4 15 5V Doser Microswitch MS5 15 5V HWS valve Microswitch MS6 15 5V Dregs drawer JP8 JP1 JP2 JP3 JP4 JP5 MS1 Getriebe schalter MS2 Getriebe schalter Dosier schalter HWD sch...

Page 60: ...AT M2 Tassen w rmer TS Dosier magnet M1 Mahlwerk motor Getriebemotor JP3 J 2 J 1 JP9 JP7 N Filt T r schalter Haupt schalter TSI Tassenw rmer TSI Tassenw rmer JP2 JP16 P Durchlauferh Pumpe System 1 TSI...

Page 61: ...tch MS5 15 5V HWS valve Microswitch MS6 15 5V Dregs drawer JP8 JP1 JP2 JP3 JP4 JP5 MS1 Getriebe schalter MS2 Getriebe schalter Dosier schalter HWD schalter Flow meter System 1 Temp Sensor System 1 MS...

Page 62: ...ssenw rmer TSI Tassenw rmer Thermostat Durchlauferh Leistungsplatine JP2 JP16 Zusatzheiz P E Vent Dampf E Vent Heissw E Vent Cappucc Durchlauferh System 1 TS Pumpe System 1 TSI Pumpe TSI Zusatzheiz Th...

Page 63: ...MS5 15 5V HWS valve Microswitch MS6 15 5V Dregs drawer JP8 JP1 JP2 JP3 JP4 JP5 MS1 Getriebe schalter MS2 Getriebe schalter Dosier schalter HWD schalter Flow meter System 1 Temp Sensor System 1 MS Br...

Page 64: ...senw rmer Thermostat Durchlauferh JP2 JP16 Zusatzheiz P E Vent Dampf E Vent Heissw E Vent Cappucc Rohrheizung System 2 TS Pumpe System 1 TSI Pumpe TSI Zusatzheiz Thermostat Zusatzheiz Thermostat Rohrh...

Page 65: ...The instantaneous water heater is then activated for about 1 min 30 sec heating the water to operating temperature whereby heating takes place for about 60 sec continuously and then is alternated for...

Page 66: ...hes are positioned in the larger segment between both switching cams If the motor is replaced it is important that the blue cable is fitted onto the motor connection near the writing Italy and are not...

Page 67: ...team dispensing is approx 125 C The steam button is pressed to activate steam production in machines without Rapid or Instant Steam Steam dispensing occurs via the HWS valve In machines with Rapid Ste...

Page 68: ...hread If the grinding discs are drawn apart by turning the grind level adjusting ring turning anti clockwise the grind is coarser while turning the adjusting ring clockwise will result in a finer grin...

Page 69: ...Digital Redes 2 1 Test mode 2 2 2 Diagnosis menu 5 3 Service programme 7 Professional Instant Steam Cappuccino Cappuccino Redesign 3 1 Test mode 7 3 2 Diagnosis menu 10 4 Service programme 14 R Profes...

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Page 71: ...ontrol setting LED Indicator Pump Turbine Coffee Fault LED flow meter pulses Brewing unit Gearmotor Steam Coffee LED Gear switch brewing setting Heating Coffee Brewing unit Gearmotor Steam Coffee LED...

Page 72: ...design Access the service programme from the standby mode Menu Enter by keeping the coffee powder coffee and expresso buttons pressed whilst pressing the Menu button Important Press the menu button on...

Page 73: ...signals from the machine appear in the first line of the display All CPU input signals from the control board appear in the second line of the display Royal Exclusive Digital Digital Redesign Royal E...

Page 74: ...the hot water valve opened a two digit number appears at the bottom right side indicating the flow rate This value must be between 40 60 Grinder rate If no button is activated a number appears at the...

Page 75: ...ng the ENTER button Programme table diagnosis menu Function Standard Setting range Increment Comments EXPRESSO LUNGO No of PULSES 600 50 1 000 Pulses 1 EXPRESSO No of PULSES 195 50 1 000 Pulses 1 COFF...

Page 76: ...ALING ml Total water flow in ml since last descaling resettable HOT WATER FLOW l h 20 6 34 1 h 2 1 h The pump delivery rate for hot water can be expressed in litres per hour HOT WATER PUMP ADJUST 6300...

Page 77: ...sign Access the service programme from the standby mode Menu Enter by keeping the coffee powder coffee and expresso buttons pressed whilst pressing the Menu button button Important Press the menu butt...

Page 78: ...ate x x Doser rinse x Heating System 1 x x Supplementary heating System 1 x x Heating System 2 x x Temperature indicator in C x x x Magnet valve Cappuccino maker x Pump System 1 Water x x Pump System...

Page 79: ...ted 3 Expresso 3 Cappuccino maker 3 Doser chamber full 4 Powder coffee 4 Expresso lungo doser microswitch activated 5 Steam 5 Coffee 4 HWS valve microswitch activated 6 Standby 6 Expresso 5 Grinds con...

Page 80: ...ARROW buttons Save value by using the ENTER button Programme table diagnosis menu Function Standard Setting range Increment Comments EXPRESSO LUNGO No of PULSES 600 50 1 000 Pulses 1 EXPRESSO No of PU...

Page 81: ...rature increase COFFEE TEMP INCREASE C 10 7 0 50 C 1 The boiler temperature is increased by a set value shortly before brewing in order to pre heat the boiler and compensate for the temperature drop d...

Page 82: ...TURBOWATER FLOW l h 20 Only in System 2 ON only Royal Cappucc 6 34 1 h 2 1 h The pump delivery rate for turbowater can be expressed in litres per hour only active when System 2 steam cycle is active...

Page 83: ...hed to pulses MACHINE STATUS 0 255 100 DATE OF MANUF DAY DATE OF MANUF MONTH DATE OF MANUF YEAR This date indicates when the machine was manufactured This date cannot be changed SERVICE DATE DAY 0 31...

Page 84: ...p the EXPRESSO and HOT WATER buttons pressed whilst pressing the STANDBY button Access Professional Redesign Access the service programme from the standby mode Menu Enter by keeping the coffee powder...

Page 85: ...ater S6 Standby S7 Cappuc cino Royal Profes Redes Buttons S1 Water S2 Powder coffee S3 Cappuc cino S4 Expresso lungo S5 Coffee S6 Expresso S7 Menu Royal Digital Plus button S1 Water S2 Powder coffee S...

Page 86: ...he control board appear in the second line of the display Royal Exclusive Digital Digital Redesign Profess Rapid Steam Royal Coffeebar Royal Profes Redes Royal Digital Plus 1 Brewing unit in brewing p...

Page 87: ...nd the hot water valve opened a two digit number appears at the bottom right side indicating the flow rate This value must be between 40 60 Grinder rate If no button is activated a number appears at t...

Page 88: ...h ARROW buttons Save value by using the ENTER button Programme table diagnosis menu Function Standard Setting range Increment Comments EXPRESSO LUNGO No of PULSES 600 50 1 000 Pulses 1 EXPRESSO No of...

Page 89: ...perature increase COFFEE TEMP INCR C 10 7 0 50 C 1 The boiler temperature is increased by a set value shortly before brewing in order to pre heat the boiler and compensate for the temperature drop dur...

Page 90: ...2003 1 2500 Counts the pulses programmed under water reserve stop from when the reed switch switches The indicator signalling the need to fill the water tank then appears WATER RES STOP No of PULSES...

Page 91: ...3 Hot water magnet valve M3 Coin validator price 1 M4 Coin validator price 2 M4 Reset coin validator M4 Temperature M5 The upper display line signals the activated microswitch and the Hall effect of t...

Page 92: ...water Flow rate If the pump is activated during test mode and the hot water valve opened a two digit number appears at the bottom right side indicating the flow rate This value must be between 40 60 G...

Page 93: ...up fill volume where 300 pulses correspond to approx 100 ml HOT WATER No of PULSES 360 50 800 Pulses 1 Saved pulse number for hot water quantity programme HEATING PARAMETER K1 7 1 50 1 Do not change H...

Page 94: ...Total water flow in ml since last descaling resettable HOT WATER FLOW l h 20 6 34 1 h 2 1 h The pump delivery rate for hot water can be expressed in litres per hour HOT WATER PUMP ADJUST 63000 58 000...

Page 95: ...Saeco International Group REV 4 SEPT 2003 CHAPTER 6 FAULTS Page 1 Faults 1...

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Page 97: ...ctronic system defective KTY defective Temperature differences No froth Electronic system defective Heating Interruption Heating plug connection Thermal fuse Heating Heating remains cold Heating indic...

Page 98: ...Doser switch constantly activated MS defective Motor defective Cup warmer defective Fusible cut out Cup warmer defective Gear wheel defective Gearmotor Brewing unit malfunctions does not move to home...

Page 99: ...hile pump is in operation Defective pump Dry coffee in dregs drawer water low indicator fault LED Thermal fuse defective Pump Water leakage at overpressure valve threaded joint Hairline crack in joint...

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Page 101: ...tion red LED flashes 2 1 3 Machine does not function red LED lights up 3 1 4 Water low 5 1 5 Brewing unit Gearmotor obstructed 6 2 Fault detection R Dig Excl Prof Coffeeb 7 2 1 Does not function 7 2 2...

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Page 103: ...er Test mains fuse and machine cable END Does current flow to the fuse inside the machine Replace END Is there current downstream from the mains filter Replace END Does the current flow to the main sw...

Page 104: ...regs drawer installed Is brewing unit installed Can brewing unit be installed Does dregs drawer MS function correctly Replace MS END Can dregs drawer be installed Check if brewing unit is blocked END...

Page 105: ...fter start button has been activated Is coffee bean container empty Does coffee dispensing stop after grinding coffee beans low signal again Fill END Check cable Replace electronic system END Yes Yes...

Page 106: ...onal Group Does coffee have enough froth Is grain size of dregs correct Set coarser grind Is coffee dispensing complete Ye s END Grinding can be made coarser No No Yes Replace grinding disc END Yes Lo...

Page 107: ...ty Fill water tank END Tank valve faulty foreign objects Remove foreign objects END Is water filter calcified dirty Replace electronic system END Descale Replace END No Yes Yes Yes Yes Yes No No Yes C...

Page 108: ...tor END Does brewing unit move to home position in service mode Is current flow to cup warmer and thermal fuse OK Is the noise emission abnormal Remove brewing unit and check for overdosing and fricti...

Page 109: ...mains filter Test mains fuse and machine cable END Does current flow to the fuse inside the machine Replace END Is there current downstream from the mains filter Replace END Does current flow to the d...

Page 110: ...not function Grinds container not detected Does brewing unit microswitch function correctly Replace MS END Can grinds container be installed Check if brewing unit is blocked Does grinds container MS...

Page 111: ...9 12 2 3 Water low Water low Water in tank over reserve Has float sunk or is jammed Is magnet old Replace Remove END Replace float END Electronic system defective Replace reed sensor END Is reed senso...

Page 112: ...tank END Tank valve faulty foreign objects Remove foreign objects END Is water filter calcified dirty Replace electronic system END Descale Replace END No Yes Yes Yes Yes Yes No No Yes Check valve plu...

Page 113: ...offee have enough froth Do dregs have correct consistency Set coarser grind Is coffee dispensing complete Replace electronic system END Yes Yes No Yes Yes END END Grind can be made coarser No No Yes D...

Page 114: ...otor END Does brewing unit move to home position in service mode Is current flow to cup warmer and thermal fuse OK Is the noise emission abnormal Remove brewing unit and check for overdosing and frict...

Page 115: ...Saeco International Group REV 4 SEPT 2003 CHAPTER 8 REPAIRS SERVICE SCHEDULE Page 1 Repairs schedule 1 2 Service schedule 1 3 Final test 2...

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Page 117: ...with open machine leakage test 12 Assembly 13 Final test according to test schedule 14 Steam off winter 15 External cleaning 16 Lubrication of brewing unit 17 Insulation test 18 Documentation 2 Servi...

Page 118: ...p until froth separates Froth cover must subsequently close completely Froth colour Textured light brown Temperature Measurement of dispensed coffee stream Temperature measuring device 84 C 4 C Grind...

Page 119: ...g doser flap valve 4 4 Disassembling doser switch 6 5 Disassembling the grinder 7 6 Adjusting the grinder 9 7 Disassembling the grinder motor 11 8 Disassemble the instantaneous water heater 13 9 Disas...

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Page 121: ...e Driptray dreg drawer water tank and brew unit b Unscrew the bean container by removing the two screws 1 New models may have a additional housing screw below the bean container to be unscrewed c Remo...

Page 122: ...two hooks by using a screw driver 1 Remove the grinder setting lever 2 carefully in order not to break the fixing hooks Fig 3 f Lift the housing at the rear side and pull water hose off Than remove th...

Page 123: ...national Group REV 4 SEPT 2003 Seite 3 20 2 Disassembling the electronic system a Number the connections on the control board and remove Fig 4 b Unscrew the electronic system by removing the two fixin...

Page 124: ...0 REV 4 SEPT 2003 Saeco International Group 3 Disassembling the doser a Unscrew the doser cover by removing the screw 1 Fig 6 b Using a screwdriver release the fastening tab 1 and push dosing magnet o...

Page 125: ...L 9 DISASSEMBLY Saeco International Group REV 4 SEPT 2003 Seite 5 20 c Using a screwdriver first push the doser flap out of the open end 1 Than slide it out of the closed bearing 2 and remove Fig 8 1...

Page 126: ...Disassembling doser switch a Push the powder coffee compartment in direction of the arrow 1 and lift it 2 Carefully pull out the two rubber holders 3 Fig 9 b Disconnect the switch Lift the doser swit...

Page 127: ...ise until the three lugs of the grinding disc fitting 2 are clearly visible and remove the upper grinding disc from the grinder Using a vacuum cleaner remove the ground coffee Fig 11 b Remove the fixi...

Page 128: ...2003 Saeco International Group d Carefully remove the clutch disc Fig 13 e Remove Balls springs and rubber drivers The sealing felt 1 can then be cleaned or exchanged Same steps have to be performed w...

Page 129: ...djusting the grinder a Install the grinding ring onto its fitting so that the marking 1 on the grinding adjustment ring and the ring fitting 2 are adjacent to one another Fig 15 b Turn the grinding ad...

Page 130: ...International Group c Turn about 12 14 notches in an anti clockwise direction and check the grind level by making a test coffee Crema dregs grain size Adjust the grind level as required max 3 5 notche...

Page 131: ...Disassembling the grinder motor a If the motor has to be exchanged perform according to description 6 Disassembling the grinder first Remove the three fixing screws 1 and set the doser switch to max...

Page 132: ...4 SEPT 2003 Saeco International Group c Remove the securing ring if there is one not in all machines unhook the three tabs and seperate the upper part from the motor gear assy the motor is alwasy deli...

Page 133: ...sassembling the instantaneous water heater a Remove the hose clip of the HWS valve 1 and the instantaneous water heater 2 and remove the Water hose Fig 21 b Remove the two fixing screws 1 of the insta...

Page 134: ...In order to exchange the thermostat or the sensor remove screw 1 and the fixing clamb Fig 23 d Attention The metal cylinder Fig 24 1 of the thermal sensor KTY must be transferred from the old sensor...

Page 135: ...r a Remove the housing b Remove loosen the instantaneous water heater c Remove the gear fixing screws 1 Fig 25 d Remove the gear by lifting it a bit pulling out the bottom side of the gear first and t...

Page 136: ...heel points towards the achsle of the small gear wheel The brewing unit cannot be installed in this position Install all components switch on machine gears go to home position install brewing unit The...

Page 137: ...on the instantanous water heater but do not fasten the screws completely Insert the brew unit and drive it into brew position using the test mode Fasten the lower fixing screw 1 Abb 28 b Drive the br...

Page 138: ...V 4 SEPT 2003 Saeco International Group 11 Disassembling the pump a Pull off the adapter angle 1 and pump holder 2 Abb 30 Abb 31 b Remove the locking spring 1 c Push down the fixing tab 2 and remove p...

Page 139: ...E Saeco International Group REV 4 SEPT 2003 Seite 19 20 12 Disassembly System 2 Rapid steam a Loosen nut 1 and remove cappuccino valve Abb 1 b Unscrew system two holding device by removing the five sc...

Page 140: ...nal Group c Lift system two as much as possible and remove the hose 1 from the pressure relief valve Abb 3 d Remove the locking spring of the steam hose and remove the steam hose 1 Place the unit on t...

Page 141: ...Saeco International Group REV 4 SEPT 2003 CHAPTER 10 CIRCUIT DIAGRAMS...

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