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44

5 Maintenance

If the descaling operation is interrupted, there may be damage to 
the machine.

T

   Allow the descaling programme to run to the end.

If the descaling agent comes into contact with sensitive surfaces 
(e.g. marble), damage cannot be ruled out.

T

   Clean up any splashes immediately.

 

E

The descaling programme lasts approximately 45 minutes.

 

E

JURA descaling tablets are available from specialised dealers.

Precondition: 

The start screen is displayed. 

‘Decalcify machine’

 is 

displayed.

T

  Touch 

‘Decalcify machine’

.

‘Descale’

T

  Touch 

‘Descale’

.

T

  Touch 

‘Start’

.

T

  Touch 

‘Start’

 again.

‘Empty drip tray’

T

  Empty the drip tray and coffee grounds container and put 

them back into the machine.

‘Pour descaling agent into water tank’

T

  Remove and empty the water tank.

T

  Completely dissolve 4 JURA descaling tablets in a receptacle 

holding 800 ml of water. This may take several minutes.

T

  Pour the solution into the 

empty

 water tank and insert it 

into the machine.

‘Press the Rotary Switch’

T

  Place one receptacle under the dual spout and another 

under the hot-water spout.

T

  Press the Rotary Switch.

‘Machine is being descaled’

, water flows straight into the 

drip tray and out of the hot-water spout and dual spout 
repeatedly.
The operation is interrupted, 

‘Empty drip tray’

.

CAUTION

CAUTION

Summary of Contents for 748

Page 1: ...GIGA X8 Instructions for Use JURA Type 748 K Original instructions for use Before using the machine read the instructions for use E ...

Page 2: ...ality coffees 18 Preparing two speciality coffees 18 Preparing speciality coffees with milk 18 Caffè Barista and lungo Barista 19 Ground coffee 19 Activating the grinder selection 20 Hot water 22 3 Daily operation 23 Filling the water tank 23 Switching on the machine 23 Daily maintenance 24 Regular maintenance 24 Switching off the machine 25 4 Permanent settings in programming mode 26 Product sett...

Page 3: ...ed to perform some action E Information and tips to make it even easier to use your GIGA Espresso Display Symbol description 5 Maintenance 38 Rinsing the machine 38 Automatic milk system rinsing 38 Cleaning the milk system 39 Dismantling and rinsing the dual spout 40 Inserting changing the filter 41 Cleaning the machine 42 Descaling the machine 43 Cleaning the bean container 45 Descaling the water...

Page 4: ...f the machine 5 Plug in mains cable back of the machine 6 Coffee grounds container 7 Drip tray 8 Cup grille 9 Filler funnel for ground coffee 10 Ventilation slats Venti Ports 11 Storage compartment cover 12 Measuring spoon for ground coffee 13 Height adjustable dual spout 14 Height adjustable hot water spout 15 Coffee grounds container cover pivoting 16 Insert for drip tray ...

Page 5: ...ver 3 Touchscreen display 1 2 3 4 Back of the machine 1 Service cover open by pressing with your finger 2 Locking device 3 Sliding catch 4 Service socket with JURA Smart Connect Accessories Container for milk system cleaning Spanner with hexagonal hole for milk system ...

Page 6: ...ranty ser vice is not applicable for damage or defects caused by non compliance with the instructions for use Keeptheseinstructionsforuseclosetothemachine and pass them on to the next user The GIGA may only be operated by instructed per sons Non professionals must be supervised dur ing use Please carefully read and observe the important safety information set out below To avoid danger of potential...

Page 7: ...cessories U To completely and safely disconnect the machine from the power supply first switch off the GIGA using the On Off button and then at the power switch Only then should you remove the mains plug from the power socket There is a risk of scalds or burns on the spouts U Place the machine out of the reach of children U Do not touch any hot parts Use the handles provided U Be careful to ensure...

Page 8: ... water can be used U The machine must not be cleaned with a jet of water U Only connect the machine to the mains volt age in accordance with the information on the rating plate The rating plate is located on the underside of your GIGA Further technical data is provided in these instructions for use see Chapter 9 Technical data U Connect the GIGA directly to a domestic power socket Using multi sock...

Page 9: ...se it safely Chil dren must be able to recognise and under stand the potential dangers arising from incor rect use People including children who U do not have the physical sensory or mental capabilities to use the machine safely or U are inexperienced or lack knowledge in how to use the machine safely must be supervised by a responsible person when using it or must be instructed in how to use it c...

Page 10: ...o start coffee preparation or undertake various settings in programming mode U Slide Move your finger across the display from left to right or from top to bottom or vice versa For example you can select one of the speciality coffees in the product selector view or switch between programme items in programming mode Programming with Rotary Switch Also use the Rotary Switch As soon as you turn it the...

Page 11: ... aroma preservation cover T Remove any dirt or foreign objects from inside the bean container T Fill the bean container with coffee beans and close the aroma preservation cover When you use the machine for the first time you must set the water hardness If you do not know the hardness of your water you can find this out first Use the Aquadur test strips supplied with the machine T Hold the test str...

Page 12: ...ne T Insert the mains plug into a power socket T Switch on the GIGA using the power switch on the back of the machine T Open the cover of the On Off button T Press the On Off button Q to switch the GIGA on Sprachauswahl Deutsch E To display more languages move your finger either down wards or upwards in the selection list until the desired lan guage comes into focus e g English T Touch Save Saved ...

Page 13: ...t water spout T Remove the water tank and rinse it with cold water T Open the filter holder T Insert the filter cartridge into the water tank exerting slight pressure T Close the filter holder It will click into place audibly T Fill the water tank with fresh cold water and reinsert the tank E The machine automatically detects that you have just inserted the filter cartridge Filter is being rinsed ...

Page 14: ...he connector on the right hand side of the dual spout T Connect the other end of the milk pipe to a milk cooler Your authorised JURA service technician can change various set tings e g U Codes Four codes can be assigned For each code you can define which programme items are available or disabled Each code corresponds to different authorisations For instance you can define that initiation of the ma...

Page 15: ...sing a PIN Activate the PIN function via the JURA app You will find more information at www jura com smartconnect Precondition The start screen is displayed T Touch P Machine settings T Touch Machine settings Switch off after T Move your finger across the display until Connect acces sory is displayed in the centre T Touch Connect accessory Connect accessory T Now follow the instructions on the dis...

Page 16: ...therefore recommend prewarming the cups The full coffee aroma can develop only in prewarmed cups You can purchase a JURA cup warmer from your specialised dealer You can make permanent settings for all products in programming mode see Chapter 4 Permanent settings in programming mode Adjusting the product settings The GIGA offers various ways of preparing a speciality coffee milk or hot water Prepar...

Page 17: ... Barista U 2 x Cappuccino U 2 x Latte macchiato U 2 x Macchiato U 2 x Flat White U 2 x Caffè latte U 2 x Portion milk U 2 x Portion milk foam E The product selector view disappears automatically after 10 seconds if no preparation is started E The last product selected always appears first in the product selector view E You can move any of the standard products programmed in your GIGA to your prefe...

Page 18: ...rt preparation Preparation starts The preset amount of water for coffee flows into the cups Preparation stops automatically Your GIGA is once more ready for use Your GIGA prepares latte macchiato cappuccino flat white and other speciality coffees with milk at the touch of a button There is no need to move the glass or cup Example Proceed as follows to prepare one latte macchiato Precondition The s...

Page 19: ... change the amount of this additional water see Chapter 4 Per manent settings in programming mode Adjusting the product settings Products with a bypass amount of water setting are marked with a red speedometer symbol in the start screen and in the product selector E Your JURA service technician can set the machine so that the red speedometer symbol is not displayed next to these speed speciality c...

Page 20: ...fee Please add ground coffee T Place one level measuring spoon of ground coffee into the filler funnel T Close the cover of the filler funnel The speciality coffees you can prepare with ground coffee are displayed T Touch Coffee Preparation starts Coffee and the fill volume are displayed The preset amount of water for coffee flows into the cup Preparation stops automatically Your GIGA is once more...

Page 21: ...s à la carte T Touch Back the number of times needed to display the start screen again Example Proceed as follows to prepare an espresso with coffee beans from the grinder on the left Precondition The start screen is displayed Beans à la carte mode is activated T Place a cup under the dual spout T Touch on the left hand side several times until the value is set to 100 E The grinder selection remai...

Page 22: ...as follows to prepare hot water for black tea Precondition The start screen is displayed T Place a cup under the hot water spout T Turn the Rotary Switch to view the product selector T Move your finger across the display until Hot water for black tea is in focus T Touch Hot water for black tea Hot water for black tea the preset amount of water flows into the cup Preparation stops automatically You...

Page 23: ...water tank with fresh cold water T Open the water tank cover T Remove the water tank and rinse it with cold water T Fill the water tank with fresh cold water and reinsert the tank T Close the water tank cover T Place a receptacle under the dual spout T Open the cover of the On Off button T Press the On Off button Q to switch the GIGA on Welcome to JURA Machine is heating Machine is rinsing the sys...

Page 24: ...milk system in the dual spout see Chapter 5 Maintenance Cleaning the milk system T Remove the milk pipe and rinse it thoroughly under running water T Dismantle and rinse the dual spout see Chapter 5 Mainte nance Dismantling and rinsing the dual spout T Wipe the surface of the machine with a clean soft damp cloth e g microfibre cloth E To clean the display you can disable it under Maintenance statu...

Page 25: ...le When the GIGA is switched off the system is automatically rinsed if a speciality coffee has been prepared E If milk has been prepared you will also be prompted to clean the milk system If this happens follow the instructions on the display Precondition The start screen is displayed T Place a receptacle under the dual spout T Open the cover of the On Off button T Press the On Off button Q Machin...

Page 26: ...s 2 4 Switch off after T Set the time after which the GIGA should switch off automatically Time Date T Set the time and date to use the timer function on your GIGA Timer T Specify a switch on and switch off time for each weekday Beans à la carte T Activate the grinder selection Set consistency of grind T Adjust the consistency of grind for both grinders to the coffee beans used Save energy T Activ...

Page 27: ...ettings Specify individual settings such as coffee strength amount of water etc U Product name Change the name of the product U Delete Delete the product from the start screen U Produkt ersetzen Replace the products on the start screen with your favourites U Copy product Duplicate any product for example to create a variant with a new product name and individual settings U Double product not for p...

Page 28: ...lat white caffè latte 10 levels Water 15 ml 290 ml Bypass water 0 ml 580 ml Milk foam 0 sec 120 sec Milk 0 sec 120 sec Interval 0 sec 60 sec Milk and milk foam tempera ture temperature low normal high left and or right grinder in product name delete replace copy double product Portion of milk foam portion of milk Milk foam 0 sec 120 sec Milk 0 sec 120 sec Milk and milk foam tempera ture product na...

Page 29: ...ows regularly from the dual spout In addition a fine thick crema forms Example Proceed as follows to change the consistency of grind for the grinder on the right Precondition The start screen is displayed T Touch P Maintenance status T Turn the Rotary Switch until Machine settings is displayed T Press the Rotary Switch Machine settings T Press the Rotary Switch Switch off after T Turn the Rotary S...

Page 30: ...Now move your finger to the left or right to change the switch off time T Touch Save Saved appears briefly on the display Switch off after T Touch Back the number of times needed to display the start screen again You already set the time and date during first time use You can change this setting in programming mode U Machine settings Time U Machine settings Date E For the time format you can choos...

Page 31: ...hrs and AM PM see Chapter 4 Permanent settings in programming mode Unit for amount of water time format Example Proceed as follows to set the GIGA to switch on on Mon days at a time defined by you Precondition The start screen is displayed T Touch P Maintenance status T Turn the Rotary Switch until Machine settings is displayed T Press the Rotary Switch Machine settings T Press the Rotary Switch S...

Page 32: ...Rotary Switch Switch off after T Move your finger across the display until Water hardness is displayed in the centre T Touch Water hardness Water hardness T Now move your finger to the left or right to change the set ting T Touch Save Saved appears briefly on the display Water hardness T Touch Back the number of times needed to display the start screen again You can change the unit for the amount ...

Page 33: ...e settings Save energy you can set an energy saving mode U 1 U Soon after the last preparation the GIGA stops heating up After approximately 5 minutes the ESM symbol E S M Energy Save Mode is displayed U Before you can prepare a speciality coffee speciality coffee with milk or hot water the machine must heat up U 0 U All speciality coffees speciality coffees with milk and hot water can be prepared...

Page 34: ...ode You can access the product settings by touch ing a product for approximately 2 seconds U Rotary Selection Product selector view with additional products can be started by turning the Rotary Switch U Alarm displays The start screen displays messages such as Clean machine or Clean the milk system Example Proceed as follows to prevent one off settings being made during preparation Precondition Th...

Page 35: ...l Machine settings is displayed T Press the Rotary Switch Machine settings T Press the Rotary Switch Switch off after T Move your finger across the display until Choose language is displayed in the centre T Touch Choose language Choose language T Move your finger across the display until the desired lan guage e g Deutsch is displayed in the centre T Touch Save Gespeichert appears briefly on the di...

Page 36: ...n the programme item Machine settings Factory setting the machine can be reset to its factory setting All user settings apart from the water hardness are reset to factory settings Your GIGA then switches off Precondition The start screen is displayed T Touch P Maintenance status T Turn the Rotary Switch until Machine settings is displayed T Press the Rotary Switch Machine settings T Press the Rota...

Page 37: ...nance counter Number of maintenance programmes performed cleaning descaling etc Example Proceed as follows to view the number of speciality cof fees prepared Precondition The start screen is displayed T Touch P Maintenance status T Turn the Rotary Switch until Information is displayed T Press the Rotary Switch Product counter T Touch 1 2 or turn the Rotary Switch to view the number of other produc...

Page 38: ...n you have been preparing milk You can initiate the rinse operation manually at any time Precondition The start screen is displayed T Place a receptacle under the dual spout T Touch P Maintenance status T Touch Maintenance status Clean T Move your finger across the display until Rinse is displayed in the centre T Touch Rinse to start the rinse operation Machine is rinsing Milk system is being rins...

Page 39: ...Clean the milk system is displayed T Touch Clean the milk system T Touch Clean the milk system again T Touch Start T Touch Start again Milk system cleaner Connect the milk tube T Remove the milk pipe from the milk container T Add a capful of milk system cleaner to the rear part of the container T Place the container under the dual spout and connect the milk pipe with the container E To connect the...

Page 40: ...ver of the dual spout forwards and off T Remove the milk system from the dual spout T Dismantle the milk system into its individual parts T Rinse all the parts under running water If there are severely dried on milk residues firstly immerse the individual parts in a solution of 250 ml cold water and 1 capful of JURA milk system cleaner Then rinse the parts thoroughly T Reassemble the milk system D...

Page 41: ...tridge E Once the filter cartridge stops working depending on the water hardness setting the GIGA will prompt you to change the filter E CLARIS Pro Smart filter cartridges are available from special ised dealers Precondition The start screen is displayed Change the filter is dis played if you are already using a filter T Remove and empty the water tank T Open the filter holder and remove the old C...

Page 42: ...ne The start screen is displayed Your GIGA is once more ready for use After 180 preparations or 80 switch on rinses the GIGA will prompt you to clean it If the wrong cleaning agent is used the machine could be damaged and or traces could be left behind in the water T Use only original JURA maintenance products E The cleaning programme lasts approximately 20 minutes E Do not interrupt the cleaning ...

Page 43: ...pty the drip tray and coffee grounds container and put them back into the machine Cleaning is now complete The start screen is displayed The GIGA builds up deposits of limescale over time and automati cally prompts you to descale it when necessary The degree of calci fication depends on the hardness of your water E If you are using a CLARIS Pro Smart filter cartridge you will not be prompted to de...

Page 44: ...escale T Touch Start T Touch Start again Empty drip tray T Empty the drip tray and coffee grounds container and put them back into the machine Pour descaling agent into water tank T Remove and empty the water tank T Completely dissolve 4 JURA descaling tablets in a receptacle holding 800 ml of water This may take several minutes T Pour the solution into the empty water tank and insert it into the ...

Page 45: ...ty drip tray T Empty the drip tray and coffee grounds container and put them back into the machine Descaling is now complete The start screen is displayed E If the descaling operation stops unexpectedly rinse the water tank thoroughly Coffee beans may be covered with a slight oil film which remains on the walls of the bean containers These traces may negatively affect the coffee result For this re...

Page 46: ...er with coffee beans and close the aroma preservation cover Limescale deposits may form in the water tank To ensure correct function of the machine descale the water tank from time to time T Remove the water tank T If you use a CLARIS Pro Smart filter cartridge remove this T Completely fill the water tank and dissolve 3 JURA descaling tablets in it T Leave the water tank with the descaling solutio...

Page 47: ...eft bean container Fill right bean container One of the bean containers is empty You cannot prepare any speciality coffees for which coffee beans are required from this bean container You can prepare hot water or milk T Fill the bean container see Chapter 1 Preparing and using for the first time Filling the bean container Clean the milk system The GIGA prompts you to clean the milk system T Perfor...

Page 48: ...ound coffee in the machine the GIGA stops the operation T The next time you prepare a beverage add more ground coffee see Chapter 2 Preparation Ground coffee Service cover is not fitted The service cover on the back of the machine is not fitted You cannot prepare any products T Fit the service cover ...

Page 49: ...ing mode Setting the consistency of grind T Perform descaling see Chapter 5 Maintenance Descaling the machine Fill bean container is not displayed although the bean container is empty The bean monitor is dirty T Clean the bean container see Chapter 5 Maintenance Cleaning the bean container Preparation stops Fill bean container is briefly displayed although the bean container has been filled The sl...

Page 50: ...d for safety reasons T Warm the machine at room tempera ture Other Error messages are displayed T Switch the GIGA off with the On Off button Q Contact customer support in your country see Chapter 11 JURA contact details Legal information E If you were unable to solve the problem contact customer support in your country see Chapter 11 JURA contact details Legal information ...

Page 51: ... until Machine settings is displayed T Press the Rotary Switch Machine settings T Move your finger across the display until Empty system is displayed in the centre T Touch Empty system Empty system Remove the water tank T Remove and empty the water tank Press the Rotary Switch T Press the Rotary Switch Water and steam will continue to be discharged from the dual spout and the hot water spout until...

Page 52: ...rature 10 35 C Conformity mark A Energy consumption Save energy 1 approx 9 Wh Energy consumption Save energy 0 approx 25 Wh Pump pressure static max 15 bar Holding capacity of water tank 5 l Holding capacity of bean container 2 650 g Holding capacity of coffee grounds container max 40 portions Cable length approx 1 1 m Weight approx 19 0 kg Dimensions W H D 37 56 5 49 7 cm Information for testers ...

Page 53: ...8 Two coffees 18 Coffee grounds container 4 Connect accessory 15 Consistency of grind Setting the consistency of grind 29 Contact details 56 Cover Service cover 5 Storage compartment 4 Water tank 4 Cup grille 4 Customer support 56 D Daily maintenance 24 Date 30 Descaling Machine 43 Water tank 46 Disable Message display 34 One off settings 34 Product selector view 34 Product settings 34 Display Tou...

Page 54: ...Regular maintenance 24 Measuring spoon for ground coffee 4 Messages display 47 Milk Connecting milk 14 Milk system Cleaning 39 Milk system rinsing 38 P Permanent settings in programming mode 26 Pot of coffee 18 Power switch 4 Preparation 16 18 At the touch of a button 16 Black tea 22 Caffè latte 18 Cappuccino 18 Coffee 18 Espresso 18 Espresso macchiato 18 Flat white 18 Green tea 22 Ground coffee 1...

Page 55: ... 11 Sliding catch 5 Smart Connect 5 15 Spout Height adjustable dual spout 4 Height adjustable hot water spout 4 Switching off 25 Timer 31 Switching on 23 Timer 31 Switch off Automatic switch off 30 Switch off time 31 Switch on time 31 Symbol description 3 T Technical data 52 Tel 56 Time 30 Time format Programming mode 32 Timer 31 Touchscreen display 5 10 Transport 51 Troubleshooting 49 Two product...

Page 56: ...We reserve the right to make technical changes The diagrams used in these instructions for use are for illustration purposes only and do not represent the original colours of the machine Some details of your GIGA may vary Your opinion is important to us Use the contact details at www jura com The instructions for use contain information which is protected by copyright It is not permitted to photoc...

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