• All information for normal daily use is found in the paragraph Using the coffee machine (on page 33). Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
Company name: Address: Area code - City: Country: Telephone: E-mail: Record the serial number of the coffee machine in this box. Mention it when service is required. Serial number: Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
This manual uses the following text conventions: • Actions that you should perform in a specific sequence are numbered, for instance, e.g.: 1. Open the door of the coffee machine. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
• Spare parts manual containing relevant information for identification of the spare parts. • Third party documentation contains the available documentation of third-party machine parts. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
If the operator has the permission to perform a number of maintenance actions or program activities, De Jong DUKE expects that the operator is trained according to the activities and that the appropriate documentation is available for the operator. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
It includes hazards that are exposed when guards or security features are removed. DANGER Indicates a hazardous situation that, if not avoided, can result in death or serious injury. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
• Use the machine only in areas where trained personnel can monitor the operation. • Water and electrical connections must conform to local regulations. • Make sure a waterlock is used in the water connection. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
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• Damaged water connection hoses may only be repaired by trained personnel. • Make sure to follow instructions on all safety labels on and in the coffee machine. • Do not remove safety labels. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
To improve clarity, colors in the pictures may be different from the actual colors. More details are also found in the chapter Technical specifications (on page 101). Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
13. On/Off power switch (on back side) 14. Door lock 15. Entrance for cleaning pill 16. Bean canister 17. Bean canister lid 18. Canister lock — optional 19. Ingredient canister(s) Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
To improve clarity, colors in the pictures may be different from the actual colors. 1. Service key 2. Hot water hose 3. Cold water hose - optional 4. Hot water hose (when combined with cold water hose) Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
1. Base cabinet 2. Waste bin 3. Chiller sub cabinet -- optional 4. Chiller flush button CO -- optional 5. Waste water bin 6. Waste water bin sensor -- optional Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
All screens and menus are explained in detail in the next sections. Using the touchscreen to dispense a beverage is explained in the chapter Using the coffee machine (on page 33). Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
Message submenu (on page 30) to see all messages completely. Check the Message submenu (on page 30) for more details. • Clock Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
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If more languages are available the screen shows a selection of language buttons. Tap on the desired language button to change the text on the screen to the selected language. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
Tap the desired canister. • Strength selection bar: to adjust the amount of coffee ingredient. The default strength is the middle button. The selected strength will be highlighted. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
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The button is disabled if no full payment is made or if another problem is found that prevents the dispense. Check the displayed message(s) in the message area. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
(on page 93). • The [Cup mode] button. Tap it to cancel the jug selection and return to the Main menu (see Main menu - Cup dispensing page 21). Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
• Tap the [Start] button to start the preparation and dispense of the beverage. • Tap the [Cancel] button to exit the number selection and return to the Main menu. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
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• The Message area displays relevant messages of the coffee machine. Details of all messages and possible solutions to solve simple issues are listed in the section Messages page 93). Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
(on page 26) — optional for quick dispense of the preferred beverage. • The [Stop] button. Tap it to abort the current dispense and return to the Main menu (see Main menu - Cup dispensing page 21). Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
(on page 26) — optional. • The [Cancel] button. Tap it or remove the cup/jug to return to the Main menu (see Main menu - Cup dispensing on page 21). Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
When this message is displayed some or all beverage selection buttons are disabled. When the boilers are filled and the water level is correct the message is removed and the selection buttons are enabled. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
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Details of all messages and possible solutions to solve simple issues are listed in section Messages (on page 93). Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
The customized information image shows details about the beverage or coffee machine and is defined for every available language (for example: Food allergy warnings). Tap the [Cancel] button to return to the Main menu. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
(on page 87). Connect the Fresh Milk system Perform the steps described in the procedure Connect the Fresh Milk system (see Connect the fresh milk system — optional page 50). Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
▪ To (quickly) fill a single cup using pre-set ingredients continue with the procedure Cup dispensing by number — optional (on page 36). ▪ To fill (part of) a jug continue with the procedure dispensing (on page 37). Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
[Cancel] button and select the next beverage. 8. The prepared drink is ready. WARNING Hot liquid can leak from the outlet nozzle after the dispense is finished. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
[Cancel] button and select the next beverage. 5. The prepared drink is ready. WARNING Hot liquid can leak from the outlet nozzle after the dispense is finished. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
1. For hot water place the jug on the left side below the hot water outlet. WARNING If jugs are not correctly placed, the machine can spill hot liquid down the front. This can cause serious scalding injuries. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
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▪ to add an additional beverage to the same cup/jug tap the [Cancel] button. CAUTION - Hot liquid can leak from the outlet nozzle after the dispense is finished. 8. The filled jug is ready. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
2. Make the full payment. ▪ The entered credit amount is calculated and shown on screen. NOTE The [Start] button will remain disabled until full payment is made. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
This guide is published by the European Vending and Coffee Association and has been prepared to help ensure that a hygienic product is delivered to the customer on every occasion. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
Interval column codes Daily Weekly Monthly Every 6 months NOTE Increase the brewer cleaning frequency, if the coffee machine dispenses a lot of coffee related beverages every day. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
Clean the outside of the machine (on page 89). Clean the touchscreen (on page 90). 10. Check correct functioning by taking a test beverage. Each step is described in detail in the next sections. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
Each step is described in detail in the next sections. NOTE Increase the brewer cleaning frequency, if the coffee machine dispenses a lot of coffee related beverages every day. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
Each step is described in detail in the next sections. NOTE Increase the brewer cleaning frequency, if the coffee machine dispenses a lot of coffee related beverages every day. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
5.6.3 Close the door Procedure Perform the following steps: 1. Insert the key in the lock of the door of the coffee machine. 2. Turn the key 90 degrees. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
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6. (Optional) Leave the Service menu: tap the [Exit] button and then the [Close door and press here to quit service] button to return to the main menu. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
▪ switch off the power supply (pulling the plug from the wall socket is sufficient). This will also prevent unnecessary use of energy. See also section: Extended down time (on page 14). Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
▪ Total time to rinse is 1 to 2 minutes. 4. Remove the rinsing tub. 5. The machine returns to the Main menu (see Main menu - Cup dispensing on page 21) and is ready for use. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
3. Tap the [Rinse] button from the Service menu. ▪ Hot water from the boiler flows through the mixers and brewer. 4. Repeat the previous step until clean water comes out of the machine. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
60) for more details. 3. Slide the adjustable outlet down again. 4. Push the lock pin on the right hand side of the adjustable outlet and catch the milk frother. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
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▪ Make sure the text 'UP' on the hose is visible from the top side. 7. Route the inlet part of the hose through the hole in the refrigerator. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
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8. Route the outlet part through the hole in the right side of the coffee machine. 9. Connect the hose to the milk frother. 10. Mount the milk frother assembly by moving it upward in the locking mechanism of the adjustable outlet. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
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13. In the refrigerator, open the milk container and insert the milk hose in the container. ▪ Only use UHT (Ultra High Temperature = pasteurized) milk. 14. Close the refrigerator. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
8. Place the milk tube in the jug again. 9. Tap the [Press HERE to continue the cleaning] button on the screen. ▪ The system will be rinsed out with clean water. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
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11. Close the refrigerator. 12. Tap the [Exit] and the [Close door and press here to quit service] button to return to the main menu. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
2. Remove the waste bucket / waste guide. ▪ check the first steps in the section Clean waste bucket page 60) for more details. 3. Slide the adjustable outlet down again. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
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8. After 4 hours, clean all parts thoroughly with a brush and clean water. ▪ Make sure all residues are removed. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
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10. Place the milk frother in the holder and connect the hose to the milk frother. 11. Mount the milk frother assembly by moving it upward into the locking mechanism of the adjustable outlet. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
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13. Gently pull the hose and route the milk hose into the slot at the bottom of the right hand part of the outlet bracket. 14. Place the waste bucket / waste guide. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
▪ G) First remove the drip tray and then remove the waste guide from the machine. 3. Rinse the removed parts with clean warm water. 4. Dry the parts completely. 5. Install the waste bucket / waste guide: Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
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▪ B) Slide the waste bucket into the machine, or ▪ G) First place the waste guide inside the machine and then place the drip tray. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
Procedure Perform the following steps: 1. Remove the waste bin(s) from the base cabinet. 2. Rinse the removed bin(s) with clean warm water. 3. Dry the bin(s) completely. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
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4. Place the waste bin(s) in the base cabinet. 5. When used, make sure that the sensor for the waste water level is placed inside the left waste water bin. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
Procedure Perform the following steps: 1. Pull the drip tray, including drip grid, in the direction of the arrow and remove it from the machine. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
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2. Rinse the drip tray (separate the parts first) in warm water. 3. Install the drip tray and the grid. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
2. Release the brewer hose from the dispense nozzle (1) and pull it out of the hose support (2). 3. If the machine contains mixers, pull the hoses from the mixers and from the dispense nozzle. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
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5. Remove the adjustable outlet. 6. If the machine does not contain mixers, continue with step 7. Remove the canister outlets from the canisters. º 8. Turn the bayonet catches counterclockwise (approx. 10 Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
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13. Rinse all removed items, including the hoses, in warm water. 14. If the coffee machine does not contain mixers, skip the next steps and continue with step 21. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
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Turn the propeller around to 'find' the fit on the flat side in the mixer motor shaft and then push until the propeller locks. º 18. Install the bayonet catches and turn them 10 clock wise. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
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21. Place the adjustable outlet. 22. Lower the brewer hose in the hose support and push the hose down (1) to secure it. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
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25. If the machine contains mixers, connect the hose ends, marked L and R to the left and right mixer. 26. When available, insert the add-on water hose in the dispense nozzle. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
Perform this procedure: • At least once a week, increase the frequency if needed. Procedure Perform the following steps: 1. Turn the outlet bracket to the right to remove the brewer. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
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2. Remove the coffee funnel. 3. Remove the brewer outlet from the brewer. 4. Remove the internal brewer drip tray. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
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6. Push the fixation handle upwards and, while keeping the handle in the upward position, pull and lift the brewer in the direction of the arrow out of the coffee machine. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
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(A) and the motor coupling (B). 8. Rinse the brewer and the other removed parts with clean warm water. 9. Remove any residue inside the brewer outlet pipes with a small pipe brush cleaner. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
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11. Install the Brewer outlet. ▪ To prevent leaking make sure the CoEx outlet (see inset) is pushed completely on the outlet pipes of the brewer head. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
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12. Place the internal drip tray. 13. Install the coffee funnel. 14. Turn the outlet bracket to the normal position. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
▪ or open and close the door of the machine. 2. In the Service menu tap the [Brewer cleaning cycle] button. NOTE Depending on model the button text can be different. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
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4. Place a rinsing tub underneath the outlet nozzle. 5. In the Service menu tap the button [Start the cleaning cycle]. ▪ Wait until the cleaning cycle is completely finished. 6. Remove and empty the rinsing tub. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
NOTE The shaft should rotate easily if nothing is blocking the grinder. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
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Dispense two cups of coffee to fill up the grinder with fresh coffee and throw the contents of the cups away. 8. Check correct functioning by taking a test coffee. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
5. Unlock (optional) and remove the lids from the canisters. 6. Empty the canisters. 7. Clean the canisters with warm water. NOTE Use a mild detergent if warm water only is not sufficient. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
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(marked on the text labels) and make sure the lock (2) snap into place. 11. Place the canister outlets on the ingredient canisters and point them towards the correct mixer bowl. 12. Install the coffee funnel. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
[Close door and press here to quit service] button to return the main menu. 8. Select a full jug of cold water and dispense at least 1 liter of cold water and ensure any cleaning residue is flushed out. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
6. Soak a clean disposable cloth in disinfectant solution, ensure that the whole area is wiped. 7. Leave for 10 minutes. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
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[Close door and press here to quit service] button to return the main menu. 13. Select a full jug of cold water and dispense at least 1 liter of cold water and ensure any cleaning residue is flushed out. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
Do not fill the canisters more than necessary for one or two days. This will keep the products fresh. 3. Place the lid back on the canister (and lock -- optional). Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
50%. 4. Repeat the steps for each canister that is filled up (or where the shown value is not correct) or tap [Exit] to leave the Service menu. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
Perform the following steps: 1. Clean the outside of the machine with a soft damp cloth. NOTE Do not use aggressive cleaning products or abrasives to clean (parts of) the machine. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
- Prevent dripping, do not use too much cleaning liquid on the cloth. 3. After some time, the touchscreen is switched on again. The machine returns to the Main menu and is ready for use. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
When the service key is inserted, the machine is powered up with open door. Parts in the machine can move and hot water can flow out. Only insert the service key when requested. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
Use the following parts to perform the procedure: • Green service key. Procedure Perform the following steps: 1. Turn the Service key a quarter turn (90°). 2. Remove the Service key from the door. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
Clean Screen. Cause After a defined number of consumptions, the touchscreen needs to be cleaned. Solution Perform the steps as explained in the section Clean the touchscreen (on page 90). Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
Perform the following steps to solve the problem: 1. Close the door or install the green service key to activate the machine. 6.1.8 Message: Drip tray full Message Drip tray full Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
1. Wait until the boiler is filled. 2. If message is still shown after 10 minutes: Consult the service engineer (see Service and support on page 3). 6.1.12 Message: Grinder blocked Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
Perform the following steps to solve the problem: 1. Clean the mixing system (see Clean the mixing system and all hoses on page 66). 6.1.17 Message: Machine Blocked Message Machine Blocked Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
▪ If problem persists: Consult the service engineer (see Service and support on page 3). 6.1.21 Message: Place coffee funnel in the machine Message Place coffee funnel in the machine Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
6.1.25 Message: Please load the User Interface Message Please load the User Interface Solution Perform the following steps to solve the problem: Consult the service engineer (see Service and support on page Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
3. Perform the procedure Flush mixers and brewer (on page 49) several times. 4. If message is still shown: Consult the service engineer (see Service and support on page 3). Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
Service and support on page 6.1.35 Message: Ready, take your cup Message Ready, take your cup Cause The dispense of the beverage is finished. Solution Remove the cup or jug. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
If the type plate inside the machine contains the CE mark in the lower left hand corner it conforms to CE standards. • Check the appendix of this manual for the Declaration of Conformity. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
Data shown in the picture is for illustration purposes only. 7.3 Disassembly and recycling The coffee machine contains recyclable materials. Dispose of the coffee machine in conformity with local laws and regulations. Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
+ 5 °C ~ + 50 °C When in use + 5 °C ~ + 35 °C Machine sound pressure Standby < 20 dB(A) £ 62.7 dB(A) Grinder / Coffee Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
Cup and jug dimensions Nio model Cups (A) Maximum cup height 110 mm Maximum cup diameter 85 mm Jugs (B) Maximum jug height 110 mm Maximum jug diameter 135 mm Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
+1 734 403 1708 www.dejongduke.nl www.dejongduke.com support@dejongduke.nl support@dejongduke.com Service and support For questions, service and ingredients for this coffee machine: Consult the service engineer (see Service and support on page 3). Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
Appendix 8.1 Appendix list Information related to this document and the coffee machine are: • Declaration of conformity (on page 107). Nio CKA Series CoEx ® brewer User Manual 5DUCKA20M EN V2.1...
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