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1
SAFETY ........................................................ 3
1.1
Safety instructions.............................................................. 3
1.2
Repair instructions ............................................................. 3
2
INSTALLATION ............................................ 4
2.1
Installation ........................................................................... 4
2.2
Scope of delivery ................................................................ 4
3
OPERATION ................................................. 5
3.1
Controls ............................................................................... 5
3.2
Window with opening sensor ............................................ 6
3.3
NESPRESSO® capsules..................................................... 7
3.4
Preparing coffee.................................................................. 8
3.5
Drawing hot water ............................................................. 10
3.6
Drawing steam .................................................................. 10
3.7
Frothing up or heating milk.............................................. 11
3.8
3.9
Changing standard settings............................................. 14
3.10
Cleaning............................................................................. 17
3.11
Descaling ........................................................................... 19
4
COMPONENTS........................................... 21
4.1
Flowmeter .......................................................................... 21
4.2
Cup heater ......................................................................... 22
4.3
Heater and NTC-sensor .................................................... 23
4.4
Brewing unit ...................................................................... 25
4.5
Hot water / steam nozzle .................................................. 26
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Nespresso capsule systems
5
FUNCTIONS................................................27
5.1
The perfect espresso........................................................ 27
5.2
The brewing procedure .................................................... 27
5.3
Descaling cycle................................................................. 28
5.4
Brewing cycle sequence .................................................. 31
5.5
Temperature graph ........................................................... 32
5.6
Fluid system...................................................................... 33
5.7
Wiring and connecting diagram ...................................... 34
6
REPAIR .......................................................35
6.1
General disassembly........................................................ 35
6.2
Replacing the display unit ............................................... 37
6.3
Replacing the PTC heating element................................ 38
6.4
Removing the water tank holder ..................................... 39
6.5
Installing the water tank holder ....................................... 41
6.6
Replacing the heater ........................................................ 43
6.7
Replacing the NTC temperature sensor ......................... 45
6.8
Replacing pump................................................................ 46
6.9
Replacing the flowmeter .................................................. 47
6.10
Replacing the electronics board ..................................... 48
6.11
Measuring flow rate .......................................................... 50
6.12
Replacing capsule cage ................................................... 51
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   Summary of Contents for Siemens Nespresso TK911

  • Page 1: Table Of Contents

    Nespresso capsule systems SAFETY ............3 FUNCTIONS..........27 Safety instructions.............. 3 The perfect espresso............27 Repair instructions ............. 3 The brewing procedure ............ 27 Descaling cycle..............28 INSTALLATION ..........4 Brewing cycle sequence ..........31 Installation ................4 Temperature graph ............32 Scope of delivery ..............
  • Page 2 FAULT DIAGNOSTICS....... 52 Incoming goods inspection ..........52 Service mode..............54 Measuring the coffee temperature ........55 Measuring the temperature of the cup heater ....56 Outgoing goods inspection ..........57 TECHNICAL SPECIFICATIONS ....59 Rating plate ............... 59 Power ................. 60 Temperatures ..............
  • Page 3: Safety

    SAFETY Repair instructions Safety instructions Caution! Danger! ► ► NEVER attempt repairs by randomly replacing components! Repairs may be carried out by a qualified electrician only! ► ► ALWAYS proceed systematically and comply with the The user may be put at considerable risk and injured by technical documentation for the appliance! improper repairs! ►...
  • Page 4: Installation

    INSTALLATION Installation Scope of delivery ► The installation location must be level and dry. The following parts are included in delivery: ► ► Protect the appliance from splash water. Welcome box ► ► There must be a minimum filling height of 360 mm. CAPPUCCINO / CAFFELATTE nozzle ►...
  • Page 5: Operation

    OPERATION Controls 1 Control panel On / Standby button b Illuminated ring Cappuccino button d Latte macchiato button Small cup button Large cup button Hot water button h Steam button Display 2 Window with opening sensor 3 Cup heater for prewarming cups 4 Cover for water tank 5 Water tank, removable 6 Flap for steam pipe...
  • Page 6: Window With Opening Sensor

    Window with opening sensor Risk of damage! Do not obstruct or remove the window! Clean the window with a damp cloth. Do not use any scouring agents. ► Set mains switch to I. The blue illuminated ring around the Standby button lights up. The window (2) opens and closes independently.
  • Page 7: Nespresso® Capsules

    NESPRESSO capsules ® Order address is given in ring binder: For this appliance use NESPRESSO capsules only. Capsules are ® NESPRESSO -Club, www.nespresso.com offered in 12 different flavours and strengths. ® ATTENTION: Purchase capsules in Germany: The NESPRESSO capsules must not be damaged ®...
  • Page 8: Preparing Coffee

    Preparing coffee 3.4.1 Preparing coffee immediately after drawing steam To ensure a successful coffee, prewarm the cups on the cup heater or If coffee is drawn immediately fill the cups with hot water and rinse out. after drawing steam with the “on” button (e) or (f), the appliance The appliance must be switched automatically...
  • Page 9 3.4.4 Capsule ejection 3.4.5 Permanently changing the amount of liquid At the end of the brewing cycle the capsules are emptied into the The preset amount for a small or capsule container. a large coffee can be changed permanently. If the capsule container is filled up to the indicating limit, no more ►...
  • Page 10: Drawing Hot Water

    Drawing steam Drawing hot water Risk of scalding! Risk of burns! Steam is very hot. It may cause liquid to splash. The nozzle becomes very hot. Take hold of the nozzle by the plastic part only. ► Screw the steam nozzle onto the adapter (A) on the ►...
  • Page 11: Frothing Up Or Heating Milk

    Frothing up or heating milk 3.7.1 Procedure ► Firmly connect the frothing- Risk of scalding! up device to the adapter on the steam pipe. Steam is very hot. Touch the frothing-up device by the plastic part only. ► Insert the notched end of the hose into a receptacle Note: containing milk.
  • Page 12 3.7.2 Settings 3.7.3 Stopping the steam ► Set the selector on the To stop drawing steam, press steam frothing-up device button (h). CAPPUCCINO. Milk Steam The display switches to milk froth are conveyed. Ready milk froth temperature of the milk can be The appliance remains in steam varied in the CAPPUCCINO area mode for approx.
  • Page 13: Preparing Cappuccino And Latte Macchiato

    Preparing cappuccino and latte macchiato With this appliance, preparing cappuccino or latte macchiato is simplicity itself. 3.8.1 Preparing cappuccino 3.8.2 Preparing latte macchiato ► ► Firmly connect the frothing- Firmly connect the frothing-up up device to the adapter on device to the adapter on the steam pipe.
  • Page 14: Changing Standard Settings

    Changing standard settings 3.9.1 Programming The appliance has been set at the factory so that coffee can be Before the programming can be changed, the appliance must be in brewed without any additional programming. brewing mode. The standard settings can be changed and adjusted. For this purpose Ready is displayed.
  • Page 15 3.9.2 Changing the display language 3.9.3 Changing the water hardness Display languages which can be set: Determine the water hardness with the enclosed test strip or ask your local water supplier. English Français Italiano Hardness setting 3 has been preselected. Nederlands Espanol Português...
  • Page 16 3.9.4 Energy-saving mode 3.9.6 Note The appliance switches automatically to energy-saving mode if it was The functions not used for 1 hour. Start descaling cycle When energy-saving mode is active, the heater switches off, the cup heater remains active. Reset descaling alarm Energy-saving mode is displayed.
  • Page 17: Cleaning

    3.10 Cleaning Pull out the coffee outlet (1) forwards and then the capsule holder (2). Risk of electric shock! Clean with a mild detergent solution (not dishwasher-proof). ► Before cleaning the appliance, pull out the mains plug. ► Never immerse the appliance in water. ►...
  • Page 18 3.10.2 Cleaning the CAPPUCCINO / CAFFELATTE nozzle ► The nozzle and valve must be cleaned immediately to ensure To clean thoroughly, disassemble all parts and clean with a optimum milk froth. Even the slightest milk residue will impair soft brush in a mild detergent solution. the frothing up result! ►...
  • Page 19: Descaling

    3.11 Descaling 3.11.2 Manually resetting the descaling alarm Needs to be descaled If the appliance is descaled manually, the The lime content in drinking water causes calcification of the thermal block in the appliance. This affects the flavour of the coffee and display can be deleted.
  • Page 20 3.11.3 Descaling programme Empty container Display: is indicated. The descaling programme lasts approx. 20 minutes. The display runs ► Empty, clean and re-insert drip trays and capsule container. through the descaling programme. Fill water and press steam button Display: is indicated. ►...
  • Page 21: Components

    COMPONENTS Flowmeter 4.1.1 Design and function The composition of the coffee Water is pumped in from the water mixture is a well guarded secret of tank flows through coffee roasting flowmeter. establishments. To ensure that an Water supplied excellent coffee can be produced connection pipe in the lower from this secret, the coffee beans section of the housing (D).
  • Page 22: Cup Heater

    4.1.2 Connection diagram Cup heater Cup heater (1) to preheat cups. Coated aluminum at the top side of the appliance with enough space for: 5 small espresso-cups or 2 big lungo- and 2 small espresso-cups ► PTC as active heating element ►...
  • Page 23: Heater And Ntc-sensor

    Heater and NTC-sensor 4.3.1 Heater (Instantaneous water heater) In the instantaneous water heater the water for coffee production or hot water/steam purchase is heated up. Therefore the water is pumped in a stainless-steel pipe (A), which is cast in together with a heating resistor (B) in an aluminum block. 58300000116013_en_a –...
  • Page 24 4.3.2 Characteristic of NTC-sensor Temperature R min R nom R max 25 °C 93.801k 100k 106.199k 95 °C 6.414k 6.624k 6.834k 140 °C 1.696k 1.771k 1.845k 58300000116013_en_a – 21.08.06 Seite 24 von 61...
  • Page 25: Brewing Unit

    Brewing unit 4.4.1 Pyramid plate The water pressure inside the coffee capsule increases and bursts The brewing unit forms the central element in the espresso machine. the membrane on the underside. The coffee is brewed via the Operating principle: pyramid plate and conveyed to the coffee outlet. The capsule cage (C) encloses A dirty pyramid plate impairs the coffee capsule (D) from...
  • Page 26: Hot Water / Steam Nozzle

    Hot water / steam nozzle The steam flows through the Attachment nozzle which steam pipe (A) and the connected connected to the steam pipe, for steam nozzle and generates a drawing water vacuum inside the steam nozzle. drawing steam to heat drinks in a This vacuum is compensated by receptacle.
  • Page 27: Functions

    FUNCTIONS The perfect espresso A genuine espresso is prepared according to a specific extraction process in which the water is forced under high pressure through finely ground coffee in order to release all the flavours. The excellent quality of the result in the cup depends on the selection and composition of the raw coffee from different countries of origin, the degree of roasting, the fineness of the grinding and the extraction method: Applied pressure, water temperature and extraction duration.
  • Page 28: Descaling Cycle

    Descaling cycle Running the descaling programme User action Appliance response Select Descaling menu option Empty drip trays and capsule container, press steam button DISPLAY Empty container and press Steam button Spindle motor moves up to 2 mm in front of brewing position Pour in descaling solution, press Steam button DISPLAY Fill with agent + water and press steam button...
  • Page 29 Running the descaling programme User action Appliance response Reset water meter (since last descaling) Fill tank with 1.2 l of water (rinsing), Press Steam button DISPLAY Fill water and press Steam button Check point: Water in tank? (Via flowmeter) Rinsing via drip tray, coffee outlet and steam pipe DISPLAY Rinsing Rinsing via drip tray...
  • Page 30 Running the descaling programme User action Appliance response Descaling programme ends DISPLAY Ready The descaling alarm is cancelled Amount of descaling mixture: 0.6 litres (0.5 litres of water + 0.1 litres of descaling agent) Amount of rinsing water: 1.2 litres (full tank) Thermal block control while descaling solution is being conveyed: 70 °C...
  • Page 31: Brewing Cycle Sequence

    Brewing cycle sequence ► Appliance is switched on and “Ready” is displayed. Requirements: Press “Large coffee” or “Small coffee” button for no longer than 3 sec. Check that ledge motor and spindle motor are in the correct position. Sequence of Ledge motor starts –...
  • Page 32: Temperature Graph

    Temperature graph The temperature graph indicates the temperature pattern on the heater during operation. After coffee has been drawn, the appliance briefly disabled from reheating. If coffee is to be drawn immediately after steam, the appliance auto- matically cools down in intervals. Wait is displayed briefly.
  • Page 33: Fluid System

    Fluid system Water tank Water tank valve Flowmeter Pump Heater Solenoid valve (hot water / steam valve) Outlet valve Steam pipe and frothing aid Nozzle stopper (integrated in the brewing head) Brewing head Pyramid plate with coffee capsule Solenoid valve Attention: If there is a risk of frost (e.g.
  • Page 34: Wiring And Connecting Diagram

    Wiring and connecting diagram 220 – 240V 50/60Hz slot code notation flowmeter Temp. logging heater Standby key BeEn Brewing unit encoder Disp display transformer secondary IrKb infrared transmitter cont. CN10 balcony reed switch out CN11 balcony reed switch in CN12 IrBm infrared hand sensor CN13...
  • Page 35: Repair

    REPAIR General disassembly Remove screw (3), Torx T20, M4.0 x 8. Disconnect plug-in connectors (4), (5) and (6). Remove upper Danger! section of housing upwards. Before removing the appliance, pull out the mains plug. The appliance must be isolated! Tools: ►...
  • Page 36 6.1.2 Step 2: Loosen aluminium profiles Remove 3 screws (1), M3.0x16 Torx T10, from the protective Remove screws M3.0 x 20 oval head from base plate. conductor. (5) for left aluminium profile Remove 6 screws (2), M3.0 x 20 oval head. (6) for rear aluminium profile Remove 2 screws (3), M3.0x12 Torx T10.
  • Page 37: Replacing The Display Unit

    Replacing the display unit The display unit is supplied pre-assembled with connecting cables as a spare part in the housing. Tools: ► Screwdriver bit for oval head screws Mat. no.: 34 1021 ► Torx screwdriver T10 Procedure: Remove water tank. Remove screw (1), M3.0 x 8 oval head.
  • Page 38: Replacing The Ptc Heating Element

    Replacing the PTC heating element Tools: ► Screwdriver bit for oval screws Mat. no.: 34 1021 ► Torx screwdriver T20 Procedure: Remove water tank. Remove screw (1), M3.0 x 8 oval head. Rotate cup heater anti-clockwise (2) and remove upwards. Pay attention to protective conductor connections.
  • Page 39: Removing The Water Tank Holder

    Removing the water tank holder Tools: ► Collecting tray for water ► Slotted screwdriver 5.5 mm ► Torx screwdriver T10 6.4.1 Step 1: Detaching the water tank holder Loosen 4 screws (3), Torx T10, on the base plate. Disassemble appliance as described in the chapter “General disassembly”.
  • Page 40 6.4.2 Step 2: Detaching the mains switch holder 6.4.3 Step 3: Detaching the centring and tank coupling Loosen screw (4), Torx T10. Loosen screw (5), Torx T10. Pull mains switch holder downwards out of the support housing. Using a slotted screwdriver, release centring (6) from the two catches and remove upwards.
  • Page 41: Installing The Water Tank Holder

    Installing the water tank holder 6.5.1 Step 1: Inserting the tank coupling and centring Connect centring (6) to the support housing, ensuring that the Connect silicone hose 5.0 mm x 2.0 mm x 200 mm to the tank two catches engage with the holders. coupling.
  • Page 42 6.5.2 Step 2: Inserting the mains switch holder 6.5.3 Step 3: Inserting the water tank holder Screw on the inner support with screw (5), Torx T10 3.0 x 12. During assembly install hoses correctly! Insert support with mains switch into guide and screw into Put water tank holder over the heater and guide the silicone place with screw (4), Torx T10 3.0 x 12.
  • Page 43: Replacing The Heater

    Replacing the heater 6.6.1 Removal Tools: Collecting tray for water Torx screwdriver T10, T20 Open-end wrench A/F 8/10 mm Procedure: Disassemble appliance as described in the chapter “General disassembly”. Remove watertank support as described in the chapter “ watertank support replacement”. Loosen screw for protective conductor connection (1), Torx T20, and screw for securing clip (2), Torx T20.
  • Page 44 6.6.2 Installation Procedure: Insert and fix screw (9), Torx T20, with washer and distance hose. Connect O-rings to fluid connection nozzle. Whenever the fluid connections are opened, replace the O-rings. Attach fluid connections heater with securing clips (7). Attach NTC temperature sensor (6) with spring washer to heater by using an open-end wrench A/F 8/10 mm.
  • Page 45: Replacing The Ntc Temperature Sensor

    Replacing the NTC temperature sensor Tools: Torx screwdriver T10 Open-end wrench A/F 8/10 mm Procedure: Disassemble appliance as described in the chapter “General disassembly”. Remove watertank support as described in the chapter “ watertank support replacement”. Disconnect wire (red) for NTC temperature sensor at the connector plug (1).
  • Page 46: Replacing Pump

    Rotate the pump extension with an open-end wrench until the Replacing pump fluid connection bracket is in the correct position. Tools: Assemble the remaining parts in reverse sequence. ► Collecting tray for water ► Screwdriver bit for oval screws Mat. no.: 34 1021 ►...
  • Page 47: Replacing The Flowmeter

    Replacing the flowmeter Tools: ► Collecting tray for water ► Torx screwdriver T10 Procedure: Disassemble appliance as described in the chapter “General disassembly”. Detach water tank holder as described in the chapter entitled “Replacing the water tank holder”. Remove electrical plug-in connection (A) from the flowmeter. Remove hose (B) –...
  • Page 48: Replacing The Electronics Board

    6.10 Replacing the electronics board Tools: ► Torx screwdriver T10 ► Long-nosed pliers The service technician must be earthed with an earth strap. Procedure: Disassemble appliance as described in the chapter “General disassembly”. Place earth strap around the wrist and connect to the earth cable of the unplugged machine! This will prevent a potential difference.
  • Page 49 6.10.1 Guiding the wires on the electronics board Guide the PTC wire up the front of the electronics and attach Install wires according to the following instructions: with cable tie to the wires for sliding door motor, flowmeter, Guide high-voltage wires between pump connection and encoder and reed contacts.
  • Page 50: Measuring Flow Rate

    6.11 Measuring flow rate Insert adapter from Tools: below through the housing ► Pressure gauge (mat. no.: 34 1045) opening coffee ► Adapter (mat. no.: 34 1047) outlet. Insert attachment plate (3) instead of the ► Attachment plate (mat. no.: 34 1048) capsule holder from the front and secure adapter.
  • Page 51: Replacing Capsule Cage

    anti-clockwise out of the cage holder. 6.12 Replacing capsule cage Replace nozzle body (F), replace capsule cage (D).Sparingly Tools: lubricate nozzle body (F) and sealing ring (G) with food-safe ► Capsule cage wrench (mat. no.: 34 1098) silicone grease Paraliq GTE 703. ►...
  • Page 52: Fault Diagnostics

    FAULT DIAGNOSTICS 4. Switching on the appliance Incoming goods inspection The incoming goods inspection allows machine faults to be localised quickly and suitable repair measures to be initiated: ► Follow the sequence in the table. ► Repair any faults and repeat the repair routine to the end. ►...
  • Page 53 6. Coffee preparation with capsule 9. Steam generation ► Press the steam button (h). Steam Service ► displayed alternately? Steam Ready ► displayed alternately? ► Press the steam button (h). ► Is steam flowing out of the steam pipe? 10. Descaling ►...
  • Page 54: Service Mode

    7.2.2 Displays in service mode Service mode Press the steam button (h) to select the next display. Number of To access the service mode, switch off the appliance with the mains brews and settings are indicated by changing text: switch or by pulling out the mains plug. Tot.
  • Page 55: Measuring The Coffee Temperature

    Measuring the coffee temperature Procedure: ► Switch on machine, press Standby button (a). Ready ► Wait until is displayed. ► Then press the “coffee” button (f) for a large coffee to prewarm the brewing system. Ready ► Wait until is displayed. ►...
  • Page 56: Measuring The Temperature Of The Cup Heater

    Measuring the temperature of the cup heater Procedure: Measure the temperature 30 minutes after the appliance was switched on. Ensure that the cup heater is activated in the standard settings. The measuring point is situated above the PTC heater, in the middle, at the back of the cup heater.
  • Page 57: Outgoing Goods Inspection

    Outgoing goods inspection The outgoing inspection ensures that the appliance satisfies the 4. Wait for automatic rinsing process requirements after the service ► Only possible when the temperature of the heater has ► The outgoing inspection must be conducted in full! dropped below 40 °C.
  • Page 58 9. Insert test finger (D = 5 mm) between the doors of the capsule 13. Check function of IR sensor for capsule container infeed, press the “on” button and start coffee brewing process ► Pull out capsule container 10 – 44 mm without capsule.
  • Page 59: Technical Specifications

    TECHNICAL SPECIFICATIONS Rating plate The rating plate is situated on the base plate of the appliance. Voltage VIB (sales identification designation) Customer service index Newly launched appliances are given the customer service index “01”. The customer service index is increased to “02”, “03”, etc.
  • Page 60: Power

    Power Temperatures 8.2.1 Mains voltage 8.3.1 Coffee outlet 220–240 V / 50 Hz 3. Cup 1x 100 ml +/– 10 ml with “Cosi” capsule in the jet 86 °C +/– 5° 120 V / 60 Hz 5. Cup 1x 100 ml +/– 10 ml with “Cosi” capsule in the jet 86 °C +/–...
  • Page 61: Dimensions And Weight

    Dimensions and weight 8.4.2 Cable length 8.4.1 Appliance dimensions Approx. 1.2 m Height 350 mm Width 320 mm 8.4.3 Weight of machine Depth 290 mm 10.4 kg Height between coffee outlet and ► drip plate drip tray 85 mm +/– 2 mm Filling amounts ►...

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