Saeco Xsmall Plus Service Manual Download Page 18 | Manualshive

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Saeco Xsmall Plus Service Manual Download Page 18

Page 2 / 6

Rev. 00 / Jul. 2008

Saeco Int.

04 OPERATING LOGIC

XSMALL

4.2.

Control ringnut and valve

No.

DESCRIPTION

1

Mushroom valve cap

2

Spring for mushroom valve

3

Mushroom valve support

4

Mushroom valve

5

Sealing OR

1

2

3

4

5

CLOSED for

COFFEE

When dispensing coffee the mushroom valve opens at 4 bar +/- 0.5

Manual opening when dispensing water

Manual opening when dispensing steam

OPEN -

STEAM

OPEN -

WATER

TOTAL STROKE

EXTRA

STROKE

EXTRA

STROKE

VALVE OPENING

STROKE

VALVE OPENING

STROKE

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Summary of Contents for Xsmall Plus

Page 1: ...hts 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 expre...

Page 2: ...Technical specifications 1 2 2 Machine parameters and performance 2 3 Brief instructions 3 1 Customer and programming menu 1 3 2 Operation cleaning and maintenance 3 4 Operating logic 4 1 Water circui...

Page 3: ...electronics 2 7 3 Disassembling the control knob and coffee keys 3 7 4 Disassembling the boiler pin 3 7 5 Disassembling the gear motor 4 7 6 Disassembling the boiler 5 7 7 Disassembling the valve 5 7...

Page 4: ...Saeco Int Rev 00 Jul 2008 XSMALL CHAPTER 1 INTRODUCTION...

Page 5: ...e Center Programmer 1 3 Material Description Notes Thermal paste Heat resistance 200 C Descaler Saeco Entkalker Grease solvent Personal preference Silicone grease Safe to use with food 1 4 Safety warn...

Page 6: ...LL 1 5 Xsmall range Xsmall Plus Xsmall Steam Painted details X Water steam valve X X Alarm LED X X Automatic rinse X X Automatic dosage X X Frother X Dispensed coffee memory capacity X X Automatic shu...

Page 7: ...bean tank Dreg drawer Coffee dispenser Cup rack Drip tray full indicator Drip tray Brewing unit Service hatch 13 Water tank Hot water steam dispensing hose Steam hose protection Control panel Frother...

Page 8: ...Page 4 4 Rev 00 Jul 2008 Saeco Int 01 INTRODUCTION XSMALL 1 6 2 Internal machine parts Turbine Pump Boiler PW CPU P C B Power cable connector Valve Coffee grinder motor Coffee grinder...

Page 9: ...Saeco Int Rev 00 Jul 2008 XSMALL CHAPTER 2 TECHNICAL SPECIFICATIONS...

Page 10: ...flat ceramic grinders Hot water steam valve Presblock 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...

Page 11: ...Pulse range Min Max No No WATER HARDNESS CANNOT BE SET DREGS DRAWER Description and values Time out for dreg drawer 5 sec Empty dreg drawer alarm after double coffee is the last product dispensed 8 lo...

Page 12: ...Saeco Int Rev 00 Jul 2008 XSMALL CHAPTER 3 BRIEF INSTRUCTIONS...

Page 13: ...in this mode The water must be drained out into a recipient by turning the se lector clockwise to the point until the green correct temperature LED remains lit in a fixed manner The flow of water dis...

Page 14: ...top the red blinking light make sure that all components are insert ed or closed correctly Blinking in an anti clockwise sequence cyclically The machine is performing its rinse automatic cleaning cycl...

Page 15: ...ion in the water flow rate Descaling cycle frequency Hard ness Water hardness Without limescale filter With limescale filter 1 Soft water up to 7 dH Approx every 3 months 120 litres Approx every 6 mon...

Page 16: ...Saeco Int Rev 0 Jul 2008 XSMALL CHAPTER 4 OPERATING LOGIC...

Page 17: ...resblock valve Compensation valve 16 18 bar Steam hose connection Steam hose Compensation valve water outlet Turbine 1300 W boiler To brewing unit Water tank rapid connection Steam valve Pump Traditio...

Page 18: ...r mushroom valve 3 Mushroom valve support 4 Mushroom valve 5 Sealing OR 1 2 3 4 5 CLOSED for COFFEE When dispensing coffee the mushroom valve opens at 4 bar 0 5 Manual opening when dispensing water Ma...

Page 19: ...1 see following section The gear motor changes its rotation direction and moves upwards again by approx 1 2 mm The boiler begins to heat water for approx 45 seconds It absorbs all the available heati...

Page 20: ...re sensor adjustment Temp C R nom k R 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 4 Single microswitch The gear motor is p...

Page 21: ...ter 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...

Page 22: ...ue of the power consumed by the gear motor is lower than the value of the min cur rent the grinding pulses will be increased by 2 If the value of the power consumed by the gear motor is greater than t...

Page 23: ...Saeco Int Rev 00 Jul 2008 XSMALL CHAPTER 5 TROUBLESHOOTING...

Page 24: ...on notes L0 ON OR ON OFF Microswitch dreg drawer unit hatch blinks once insert unit When the unit is removed and replaced wait for at least 5 sec blinks once insert dreg drawer Always insert the compo...

Page 25: ...n of the boiler Use an ammeter to check the power consumption is between 5 3 and 6 1 mA Blinks coffee grinder operation coffee grinder sensor Each blink corresponds to one coffee grinder rotation Oper...

Page 26: ...Saeco Int Rev 00 Jul 2008 XSMALL CHAPTER 6 SERVICING MAINTENANCE...

Page 27: ...e 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 dielectri...

Page 28: ...nto the cup until the crema separates The crema should come together again to form a complete layer Crema colour Hazel brown Temperature Reading taken while dispensing Thermometer 84 C 4 C Grinding le...

Page 29: ...Saeco Int Rev 00 Jul 2008 XSMALL CHAPTER 7 DISASSEMBLY...

Page 30: ...iner lid and coffee container then loosen the screws shown 3 4 Slide out the steam hose protection lift the cover at the rear by pressing down gently on the cooling vents to help detach the anchoring...

Page 31: ...1 Loosen the screw shown and remove the P C B protection 2 Slide out the P C B removing all connections 7 2 Disassembling the electronics Disassembling the CPU 1 Remove the RHS and LHS light guide 2 L...

Page 32: ...remove the boiler pin 7 4 Disassembling the boiler pin 7 3 Disassembling the control knob and coffee keys Disassembling the Top cover To remove the coffee keys from the control keypad detach them fro...

Page 33: ...sent microswitch D Brewing unit present microswitch E Microswitch F intercepting the brewing unit home and dispensing phases Remove the gear C that meshes with the motor transmission shaft Remove the...

Page 34: ...the boiler pin 2 Remove the boiler 3 Remove the gear 4 Loosen the screws shown 7 6 Disassembling the boiler 7 7 Disassembling the valve 1 Loosen the screws shown 2 Loosen the screw and remove the plas...

Page 35: ...ing the pump and turbine Slide out the support as shown Remove connection 1 slide out the silicone hoses To prevent annoying vibrations when reassembling the pump take extra care when positioning spri...

Page 36: ...XSMALL 07 DISASSEMBLY 1 Boiler connection 2 Other connections Replacing the hoses 1 Use a suitable pair of pliers to remove the clamp as illustrated 2 Tighten the clamp as illustrated 7 10 Fitting an...

Page 37: ...07 DISASSEMBLY XSMALL 1 To remove the coffee grinder simply slide it out and remove its connections 2 When replacing it make sure the spring A and the coffee pipe B are positioned correctly 7 11 Disas...

Page 38: ...rinder from the upper support turn it anti clockwise until it de taches from the bayonet coupling 3 To remove the lower grinder keep the increment pin A locked in position and turn the grinder anti cl...

Page 39: ...Saeco Int Rev 00 Jul 2008 XSMALL CHAPTER 9 WATER CIRCUIT DIAGRAM...

Page 40: ...9 1 Water circuit diagram...

Page 41: ...Saeco Int Rev 00 Jul 2008 XSMALL CHAPTER 10 ELECTRICAL DIAGRAM...

Page 42: ...10 1 Wiring diagram...

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