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Siemens Nespresso TK911, Repair Instructions

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Siemens Nespresso TK911 Repair Instructions Download Page 5

 
 

3 OPERATION 

3.1 Controls 

1 

Control panel 

 a 

On / Standby button 

b

  Illuminated ring 

  c

 

Cappuccino button 

d

  Latte macchiato button 

  e

 

Small cup button 

f

 

Large cup button 

  g

 

Hot water button 

h

  Steam button 

  i

 

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 

7 

Steam pipe 

8 

Adapter 

9 

Frother (for frothing and heating milk) 

10 

Nozzle for drawing hot water/steam 

 a 

Nozzle holder 

b 

Sleeve 

 c 

Nozzle tip 

11 

Drip tray, small (with float) 

12 

Drip tray, large (with float) 

13 

Capsule container 

14 

Coffee outlet 

15 

Capsule holder 

16 

Ledge with capsule insert and light 

17 

Mains switch 

I/O

 

 

58300000116013_en_a – 21.08.06 

Seite 5 von 61 

Summary of Contents for Nespresso TK911

Page 1: ...2 Replacing the display unit 37 3 4 Preparing coffee 8 6 3 Replacing the PTC heating element 38 3 5 Drawing hot water 10 6 4 Removing the water tank holder 39 3 6 Drawing steam 10 6 5 Installing the water tank holder 41 3 7 Frothing up or heating milk 11 6 6 Replacing the heater 43 3 8 Preparing cappuccino and latte macchiato 13 6 7 Replacing the NTC temperature sensor 45 3 9 Changing standard set...

Page 2: ...g the coffee temperature 55 7 4 Measuring the temperature of the cup heater 56 7 5 Outgoing goods inspection 57 8 TECHNICAL SPECIFICATIONS 59 8 1 Rating plate 59 8 2 Power 60 8 3 Temperatures 60 8 4 Dimensions and weight 61 8 5 Filling amounts 61 58300000116013_en_a 21 08 06 Seite 2 von 61 ...

Page 3: ...ing national regulations Following each repair conduct a leak and performance test 1 2 Repair instructions Caution NEVER attempt repairs by randomly replacing components ALWAYS proceed systematically and comply with the technical documentation for the appliance Components become hot during operation Before commencing repairs leave the appliance to cool down As a rule printed circuit boards are not...

Page 4: ... and at room temperature only 2 2 Scope of delivery The following parts are included in delivery Welcome box CAPPUCCINO CAFFELATTE nozzle Hot water steam nozzle 2 2 1 Welcome box A Welcome box is included in delivery This box contains all parts required to start up the appliance A Ring binder with information on capsules club and machine B 12 capsules in transparent box 1 capsule per coffee type C...

Page 5: ...er for prewarming cups 4 Cover for water tank 5 Water tank removable 6 Flap for steam pipe 7 Steam pipe 8 Adapter 9 Frother for frothing and heating milk 10 Nozzle for drawing hot water steam a Nozzle holder b Sleeve c Nozzle tip 11 Drip tray small with float 12 Drip tray large with float 13 Capsule container 14 Coffee outlet 15 Capsule holder 16 Ledge with capsule insert and light 17 Mains switch...

Page 6: ...around the Standby button lights up The window 2 opens and closes independently Press the Standby button the window 2 opens The appliance conducts a self test and starts the heating up phase The window automatically closes approx 2 min after the last activity The appliance features a movement sensor To open the window 2 move hand in front of the window 58300000116013_en_a 21 08 06 Seite 6 von 61 ...

Page 7: ...lities and flavours of the freshly roasted coffee B are retained for at least nine months A high pressure pump 19 bar ensures that all the flavours of the espresso develop and that a fine crema forms Coffee is extracted through the membrane C directly to the coffee outlet of the machine Order address is given in ring binder NESPRESSO Club www nespresso com Purchase capsules in Germany On the Inter...

Page 8: ...sule container If the on buttons e or f are pressed during the infeed process or during the ejection of a capsule this has no effect on function 3 4 1 Preparing coffee immediately after drawing steam If coffee is drawn immediately after drawing steam with the on button e or f the appliance automatically cools down beforehand The appliance gives off steam in intervals and only then does coffee run ...

Page 9: ... this display is indicated As long as Check container is displayed the thermal block does not heat The solenoid valve remains closed 3 4 5 Permanently changing the amount of liquid The preset amount for a small or a large coffee can be changed permanently Insert capsule with the membrane face down into the capsule infeed Place a cup or glass under the coffee outlet Press on button e or f for at le...

Page 10: ...hase 3 6 Drawing steam Risk of scalding Steam is very hot It may cause liquid to splash Screw the steam nozzle onto the adapter A on the steam pipe Press the steam button h The thermal block is heated to steam temperature 140 C The display flashes alternately between Steam and Wait As soon as the display flashes alternately between Steam and Ready steam can be drawn Insert the steam nozzle deep in...

Page 11: ...use cold UHT milk 5 C 10 C which has a fat content of 1 5 Milk with a higher fat content fresh full milk or non homogenised milk is not recommended 3 7 1 Procedure Firmly connect the frothing up device to the adapter on the steam pipe Insert the notched end of the hose into a receptacle containing milk Place a cup or a glass under the nozzle of the frothing up device Set the selector on the frothi...

Page 12: ...e temperature of the milk can be varied between 50 C and 75 C in the CAFFELATTE area by rotating the selector 3 7 3 Stopping the steam To stop drawing steam press steam button h The display switches to Steam and Ready The appliance remains in steam mode for approx one minute The appliance then cools down automatically Ready is displayed again To cool the appliance manually press the steam button P...

Page 13: ...up The despensing of milk or coffee can be interrupted at any time by pressing the button CAPPUCCINO c or LATTE MACCHIATO d 3 8 2 Preparing latte macchiato Firmly connect the frothing up device to the adapter on the steam pipe Insert the notched end of the hose into a receptacle containing milk Remove the small drip tray Place a large glass under the coffee outlet Direct the nozzle of the frothing...

Page 14: ...n Button h Steam Access programming mode The following settings can be changed Displayed language Water hardness Energy saving mode Cup heater Rinsing Reset 3 9 1 Programming Before the programming can be changed the appliance must be in brewing mode Ready is displayed Press and hold down steam button h for at least three seconds Programming mode is activated Press the selection button g to select...

Page 15: ...gs are available Setting 1 Setting 2 Setting 3 Setting 4 Setting Setting means that no water hardness has been set The appliance no longer automatically signals when it requires descaling To change the water hardness setting press button h 1x in programming mode To change the water hardness select the required setting with button e or f and save with the Standby a button Inputting the water hardne...

Page 16: ... from Cup heater off to Cup heater on For a successful coffee preheat the cups on the cup heater The temperature of the cup heater may increase to 50 C 3 9 6 Note The functions Start descaling cycle and Reset descaling alarm are required for the descaling programme 3 9 7 Rinsing One of two settings can be selected Automatic Appliance automatically rinsed Manual Each time the request is indicated b...

Page 17: ...apsule container forwards 1 empty 2 and clean with a mild detergent solution When re inserting the parts ensure that they are fitted together correctly Pull out the coffee outlet 1 forwards and then the capsule holder 2 Clean with a mild detergent solution not dishwasher proof First re insert the capsule holder 2 and then the coffee outlet 1 Note If the appliance is cold when switched on the appli...

Page 18: ...s except now with drawn in water Milk residue is dissolved and flushed out To clean thoroughly disassemble all parts and clean with a soft brush in a mild detergent solution Clean particularly inaccessible locations with a blunt needle Rinse all parts with hot water and dry Parts are dishwasher proof Attention When re assembling the parts ensure that the smooth end of the milk hose is connected to...

Page 19: ...r drink the liquid 3 11 1 Descaling alarm Der Entkalkungsalarm wird angezeigt bei eingestellter Wasserhärte The descaling alarm is indicated with adjusted water hardness 1 after 120 L 2 after 90 L 3 after 60 L 4 after 30 L Hardness means that no water hardness is adjusted The appliance does not announce any longer automatically when must be decalcified 3 11 2 Manually resetting the descaling alarm...

Page 20: ...pty container is indicated Empty clean and re insert drip trays and capsule container Display Fill water and press steam button is indicated Rinse out the water tank thoroughly and fill with 500 ml water Place the empty receptacles under the coffee outlet and steam pipe Press steam button h Display Rinsing is indicated The appliance is rinsed first into the drip tray then through the coffee outlet...

Page 21: ...ontal position 4 1 1 Design and function Water is pumped in from the water tank and flows through the flowmeter Water is supplied via the connection pipe in the lower section of the housing D Water is discharged via the connection pipe in the upper section of the housing A The two halves of the housing are sealed with a silicone seal B The fan impeller C with the two attached magnets is rotated by...

Page 22: ...ctive faults via the cable Do not lay the cable together with supply cables to consumers 4 2 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 The function of the cup heater can be changed from Cup heater off to Cup heater on For a successful cof...

Page 23: ...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 21 08 06 Seite 23 von 61 ...

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: ...apsule and is conveyed into the holder G and then to the coffee outlet H via the pyramid plate F Note A dirty pyramid plate F impairs the run out and taste of the coffee 4 4 1 Pyramid plate The water pressure inside the coffee capsule increases and bursts the membrane on the underside The coffee is brewed via the pyramid plate and conveyed to the coffee outlet A dirty pyramid plate impairs the run...

Page 26: ...ws in through the openings B in the nozzle holder and C in the nozzle body If the nozzle is immersed in cold milk above the side opening C and steam is drawn fresh air flows in through the opening B in the nozzle holder In addition milk is drawn in through the opening C into this air flow is swirled with the steam flow and dispensed again at the tip of the steam nozzle The resulting circuit consis...

Page 27: ... distinctive taste intensive flavours and a dense body refined by a crema of perfect consistency 5 2 The brewing procedure The capsule cage A encloses the coffee capsule B from above and presses the capsule against the pyramid plate C The capsule cage and coffee capsule form the pressure tight brewing chamber Three spikes in the upper part of the capsule cage pierce the aluminium jacket of the cof...

Page 28: ...ipe drip tray and coffee outlet DISPLAY Descaling is running 5 Cooling down Pump ON until heater has cooled down to 70 C Discharge into drip tray Descaling solution via steam pipe Solenoid valve on up to 100 ml have run through Pump OFF for 30 seconds 20 ml flow repeat 10 x Pump OFF close solenoid valve Descaling solution via drip tray Solenoid valve on up to 100 ml have run through Discharge into...

Page 29: ...tank becomes empty back to step 8 Pump clock speed Draw coffee Rinsing via coffee outlet Pump ON until 500 ml have flown through When tank becomes empty back to step 8 Pump clock speed Draw coffee Rinsing via steam pipe Solenoid valve open until tank is empty Pump OFF close solenoid valve Empty drip trays and capsule container DISPLAY Empty container 10 Check point IR sensor trays 11 Time window T...

Page 30: ...uring rinsing process 70 C Fluid temperature at thermal block outlet If the appliance is switched off while the descaling programme is running irrespective of where the programme is the programme automatically jumps to Point 8 when the appliance is switched on to keep descaling agent out of the appliance At the moment the appliance was switched off the programme had completed step 6 descaling warn...

Page 31: ...nd moves the capsule cage into the brewing position Spindle motor is actuated a second time for approx 1 sec in order to strengthen the seat of the capsule cage seal Pump is actuated all buttons are locked for approx 5 sec Brewing cycle starts The pump is actuated and conveys water out of the water tank through the flowmeter into the heater and then to the capsule cage via the ceramic valve When t...

Page 32: ...ervals after drawing steam A Switch on press Standby button B Press brew button or draw hot water C Stop drawing coffee hot water D Press the Steam button heating up process begins E Draw steam F Press the Steam button cooling down process begins After coffee has been drawn the appliance may be briefly disabled from reheating If coffee is to be drawn immediately after steam the appliance auto mati...

Page 33: ...ramid plate with coffee capsule 12 Solenoid valve 13 Expansion chamber 14 Drip tray Attention If there is a risk of frost e g on the way to or from customer service the appliance must be steamed out If water freezes in the fluid system the thermal block or the piping may be damaged Procedure Press button h Steam and wait until the appliance indicates Steam ready Press ON OFF switch a 5830000011601...

Page 34: ...TFs transformer secondary CN9 IrKb infrared transmitter cont CN10 out balcony reed switch out CN11 in balcony reed switch in CN12 IrBm infrared hand sensor CN13 Tst keyboard CN14 GeEn gear encoder M1 BeM brewing unit motor M2 BM balcony motor M3 TM sliding door motor VL1 EntV drain valve VL2 WaV water valve 220 240V 50 60Hz 58300000116013_en_a 21 08 06 Seite 34 von 61 ...

Page 35: ...10 T20 6 1 1 Step 1 Open the appliance Procedure 1 Remove water tank drip tray and capsule container 2 Remove screw 1 M3 0 x 8 oval head Rotate cup heater anti clockwise 2 and remove upwards Pay attention to protective conductor connections 3 Remove screw 3 Torx T20 M4 0 x 8 4 Disconnect plug in connectors 4 5 and 6 Remove upper section of housing upwards 58300000116013_en_a 21 08 06 Seite 35 von ...

Page 36: ...l head 3 Remove 2 screws 3 M3 0x12 Torx T10 4 Remove 3 screws 4 M3 0x12 Torx T10 5 Remove control panel support upwards 6 Remove screws M3 0 x 20 oval head from base plate 5 for left aluminium profile 6 for rear aluminium profile 7 for right aluminium profile 7 Remove aluminium profiles upwards 58300000116013_en_a 21 08 06 Seite 36 von 61 ...

Page 37: ...move water tank 2 Remove screw 1 M3 0 x 8 oval head Rotate cup heater anti clockwise 2 and remove upwards Pay attention to protective conductor connections 3 Remove 4 screws 3 M3 0 x 12 Torx T10 4 Disconnect 2 plug in connectors 4 and remove display unit 5 upwards Installation is in reverse sequence During assembly ensure that the protective conductor wires are not wedged in 58300000116013_en_a 21...

Page 38: ...head Rotate cup heater anti clockwise 2 and remove upwards Pay attention to protective conductor connections 3 Remove 2 screws 3 M4 0 x 8 Torx T20 4 Remove plate 4 and remove PTC heating element 5 downwards Installation is in reverse sequence During assembly ensure that the protective conductor wires do not touch any gearwheels 58300000116013_en_a 21 08 06 Seite 38 von 61 ...

Page 39: ...semble appliance as described in the chapter General disassembly 2 Loosen screw 1 Torx T10 3 Remove water supply hose 2 from the flowmeter Provide a collecting tray for residual water 4 Loosen 4 screws 3 Torx T10 on the base plate 5 Remove water tank holder upwards over the heater 6 Remove connector plug from mains switch 58300000116013_en_a 21 08 06 Seite 39 von 61 ...

Page 40: ...loosen the screw 5 Torx T10 6 4 3 Step 3 Detaching the centring and tank coupling 1 Loosen screw 5 Torx T10 2 Using a slotted screwdriver release centring 6 from the two catches and remove upwards 3 Loosen screws 7 Torx T10 and remove inner support 8 downwards 4 Release 3 catches 9 on tank coupling and pull tank coupling out of the guide 58300000116013_en_a 21 08 06 Seite 40 von 61 ...

Page 41: ... coupling in support housing Ensure that the catches 9 are engaged securely 3 Guide the hose through the opening in the inner support 8 and push the inner support in the support housing 4 Screw the inner support to the support housing with 2 screws 7 Torx T10 3 0 x 12 Observe tightening torque of the screws 0 5 Nm 0 9 Nm 5 Connect centring 6 to the support housing ensuring that the two catches eng...

Page 42: ...r tank holder over the heater and guide the silicone hose between the water pipe and heater coil 2 Push on silicone hose 2 all the way at the bottom of the flowmeter 3 On the other side connect wires to the mains switch brown wire from power cable at top violet cable at bottom 4 Position water tank holder ready on the support screw to the base with 4 screws Torx T10 3 0x12 as well as with one scre...

Page 43: ...or securing clip 2 Torx T20 4 Remove thermal link 3 and securing clip 5 Disconnect wires for thermal link 4 for heater connection 5 and connecting cable red for NTC temperature sensor from the electronics board 6 Remove NTC temperature sensor 6 from the heater by using an open end wrench A F 8 10 mm Provide a collecting tray for residual water in the thermal block 7 Detach securing clips 7 and rem...

Page 44: ...res for thermal link 4 blue for heater connection 5 red and connecting cable red for NTC temperature sensor to the electronics board 6 Attach safety thermal link 3 to the heater with securing clip and Torx T20 screw 2 7 Fix two protective conductor connections 1 with screw Torx T20 8 Lead and fix the cables carefully as shown in the picture 9 Attach the watertank support as described in the chapte...

Page 45: ...he connector plug 1 4 Pull connecting cable red for NTC temperature sensor back through the cable guides to the NTC temperature sensor 5 Remove NTC temperature sensor 2 from the heater and replace it 6 Screw in NTC temperature sensor 2 with spring washer Only lightly tighten NTC temperature sensor until the spring washer is situated flat 0 5 0 9 Nm When screwing in the NTC temperature sensor ensur...

Page 46: ...emove pressure hose E Provide a collecting tray for water 6 Remove supply hose F 7 Take pump all the way down and out of the base opening 8 Unscrew fluid connection bracket G and remove pump support C 9 Replace the pump Modify thermostat I and bracket J for thermostat to new pump 10 Connect pump support insert O rings H and screw in fluid connection bracket Whenever the fluid connections are opene...

Page 47: ...ank connection from the flow meter Provide a collecting tray for residual water 5 Loosen 6 screws D Torx T10 on the base plate and pull support with thermal block out of the guide in the base plate Correct Wrong 6 Remove lock washer F and replace flowmeter 7 Assemble in reverse sequence Press the base of the water tank holder with the screw fitting all the way onto the support ensuring that there ...

Page 48: ...th cable of the unplugged machine This will prevent a potential difference 2 Disconnect all plugs and plug in connections on the electronics board A 3 Loosen 3 fastening screws B Torx T10 and pull out housing with defective electronics board 4 Replace the electronics board 5 Assemble in reverse sequence 6 Connect wires to the electronics board See Wiring and con necting diagram Install wires accor...

Page 49: ...ing instructions Guide high voltage wires between pump connection and pressure hose and at the top through the loop of the transformer connection 1 Guide wires together and secure with cable tie 4 Lay wires in guides 5 Guide the NTC wire and neutral wire of the power cord from behind between pump and support Guide the NTC wire and neutral wire through the loop of the transformer connection 2 58300...

Page 50: ...the outlet hose With a flow of 60 ml the pump is defective or there is a leak in the system Large fluctuations on the pressure gauge 4 bar during the measurement indicate a defective pump 4 5 Switch on the machine 6 Fully open the valve on the pressure gauge 7 Press Large cup button Close the valve on the pressure gauge until 12 bar is indicated 8 Always observe the pressure gauge and if required ...

Page 51: ...fee brewing process by pressing a coffee button 4 Switch off the appliance with the mains switch before the pump starts running Using the installation tool E unscrew the capsule cage D anti clockwise out of the cage holder Replace nozzle body F replace capsule cage D Sparingly lubricate nozzle body F and sealing ring G with food safe silicone grease Paraliq GTE 703 6 During re assembly sparingly l...

Page 52: ...ged Does the window open automatically Has the customer opened the appliance Is the capsule infeed lit Is Service and then Rinse displayed 2 Check the mechanical elements Can the window be opened and closed easily by hand How long does the machine require to heat up Standard time approx 50 sec Does the steam pipe lock in place when rotated Is a rinsing process taking place Drip trays and capsule c...

Page 53: ...flow rate Can 2 x 100 ml 10 ml of coffee be drawn within 40 60 seconds 12 Pressure and leakage test At the end of the brewing process is the capsule emptied into the capsule container See chapter Pressure and leakage test 13 Temperature measurement 7 Display of fault codes See chapter Temperature measurement Is a fault code F1 to F10 displayed 14 Cleaning See chapter Overview of fault codes See ch...

Page 54: ...ee brews total litres Insert mains plug or switch on mains switch Water L 1 Hot water total litres Hold down Steam button h for another 3 seconds Steam L 1 Steam production total litres Desc count 2 Display Tot Brew is displayed alternately with the number of brews Descaling count Press the steam button h to select the next display Reset 1 Number of manual resets To end the service mode press and ...

Page 55: ...stem Wait until Ready is displayed Place a measuring cup A under the coffee outlet Insert a capsule Cosi is most suitable Press the coffee button f for a large coffee Wait until there are 20 ml of coffee in the measuring cup Then measure the coffee temperature approx 5 10 mm under the coffee outlet B The coffee temperature should be approx 86 C 3 C 58300000116013_en_a 21 08 06 Seite 55 von 61 ...

Page 56: ...0 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 Setpoint temperature is 50 C 5 C 58300000116013_en_a 21 08 06 Seite 56 von 61 ...

Page 57: ...y on both sides 5 Check Standby button light function It must come on as soon as the main switch was switched on OPEN pos Right edge of door must be flush with the right edge of the aluminium profile or retracted slightly 6 Press Standby button and measure the time required for closing the sliding door 2 Insert mains plug switch on mains switch on the appliance Target 1 0 1 5 seconds Sliding door ...

Page 58: ...to the brewing position appliance heats up to steam temperature steam is drawn 10 seconds appliance cools down to coffee tem perature coffee is drawn 40 ml capsule is ejected 15 Function of cup heater PTC Check with your hand whether the cup heater is warming up 16 Steam out the appliance 11 Draw small cup of coffee Heat up the appliance to steam temperature Draw steam Remove water tank and wait u...

Page 59: ... appliances are given the customer service index 01 The customer service index is increased to 02 03 etc if customer service makes changes to the appliance D Frequency E Production date according to BSH key 85 year minus 20 2005 For example FD8510 10 month October F Serial number optional G Power H Type works designation I Field for approbation number 58300000116013_en_a 21 08 06 Seite 59 von 61 ...

Page 60: ... heater 15 W Steam production 200 ml 1 min pump clocks 80 C 8 2 4 Power data 220 240 V 50 Hz model 8 3 4 Cup heater Heating up 12 Wh Temperature after approx 30 min in middle at rear 50 C 5 1 small cup 45 ml 5 5 Wh 1 large cup 110 ml 10 5 Wh 8 3 5 Milk Standby mode 24 hours 6 5 Wh Setpoint temperature UHT milk 1 5 5 10 C 8 2 5 Pump pressure Warm 100 ml milk in stainless steel jug 1 min 50 75 C Sta...

Page 61: ...ray 85 mm 2 mm 8 5 Filling amounts Base plate when drip tray pulled 140 mm 2 mm 8 5 1 Capacity Water tank 1 2 l Capsule container 10 12 capsules Small drip tray Approx 150 ml Large drip tray Approx 350 ml 8 5 2 Cup filling amounts Factory setting small cup 40 ml Factory setting large cup 110 ml Filling amounts between 20 ml and 300 ml can be programmed for each cup 58300000116013_en_a 21 08 06 Sei...

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