Nio XKA Series User manual

User Manual
Nio Coffee Machine
XKA Series
CoEx XL® brewer
5DUXKA20M EN V2.1

Preface
Copyright
J.M. de Jong Automatenfabriek B.V. © 2021.
The contents of this manual are copyrighted. Texts, images, and
source files may only be used for professional purposes.
No part of this guide may be reused, modified, or published
without the prior written permission of the manufacturer.
Printing pages is allowed only for professional use.
The English language version is the original version. All other
language versions are translations of the original version.
Disclaimer
Although this manual has been put together with the utmost
care, J.M. de Jong Automatenfabriek B.V. accepts no liability for
inaccuracies or omissions. No liability is accepted for the
consequences arising from operation of the equipment in
accordance with the information contained in these instructions.
J.M. de Jong Automatenfabriek B.V. reserves the right to alter
specifications at any time and without prior notification to the
purchaser.
All rights reserved.
Introduction
• Before using the coffee machine, please read the safety
instructions and all of the information in this manual first.
• Keep this manual in a safe and accessible place for later
reference.
• The machine serves hot drinks. Keep a distance from the
outlet nozzles after selection, during dispense and when the
drink is removed from the machine after dispense.
•Only properly trained service personnel may carry out
installation, adjustments, repair or move the machine.
• This machine can be used by children aged 8 years and older
and persons with reduced physical, sensory or mental
capabilities or lack of experience and knowledge if they have
been given supervision or instruction concerning use of the
appliance in a safe way and they understand the hazards
involved.
• All information for normal daily use is found in the paragraph
Using the coffee machine (on page 33).
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Nio XKA Series CoEx XL® brewer User Manual 5DUXKA20M EN V2.1

• The information in the other paragraphs is meant only for
persons trained in the operation and maintenance of the
machine.
• Solutions to simple issues or malfunctions that may occur are
given in the back of the manual.
• The manual cannot be regarded as a replacement for the
training and instruction, but must be seen as an addition to
the training, and as a reference work.
• The user manual is valid for the machine supplied by the
manufacturer, including the options installed by the
manufacturer.
•The manufacturer accepts no liability for any damage
resulting from incorrect or improper use of the machine, or
resulting from modifications that have not been authorized
by the manufacturer.
•Only use original parts from the manufacturer when the
machine needs to be repaired.
•Contact the dealer / supplier of the coffee machine (see
contact information in the next section) for maintenance or
repairs not explained in this manual.
Service and support
For service and support contact the dealer / supplier of the
machine.
Record dealer information in this box or use a dealer stamp.
Telephone Service Number:
Internet:
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:
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Nio XKA Series CoEx XL® brewer User Manual 5DUXKA20M EN V2.1

Contents
Preface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Copyright. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Disclaimer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Service and support. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
About this manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Audience. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Scope. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Conventions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Related documents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Availability of this manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
1 Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
1.1 Safety and risk levels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
1.2 Safety and warnings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
1.3 Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
1.4 Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
1.5 Extended down time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2 Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.1 Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.1.1 Front view. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.1.2 Inside view. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.1.3 Door interior. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.1.4 Inside view base cabinet — optional. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3 User interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.1 Display layout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.2 Main menu - Cup dispensing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.2.1 Additional options submenu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
3.2.2 Jug dispensing submenu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3.2.3 Number selection submenu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
3.2.4 Dispense submenu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
3.2.5 Ready submenu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
3.2.6 Message submenu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Nio XKA Series CoEx XL® brewer User Manual 5DUXKA20M EN V2.1
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3.2.7 Information submenu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
4 Using the coffee machine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
4.1 Before use. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
4.2 Procedures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
4.2.1 Select a beverage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
4.2.1.1 Cup dispensing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
4.2.1.2 Cup dispensing by number — optional. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
4.2.1.3 Jug dispensing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
4.2.2 Payment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
5 Preventive maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
5.1 Food safety engagement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
5.2 Preventive maintenance schedule. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
5.3 Daily maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
5.4 Weekly maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
5.5 Monthly maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
5.6 Preventive maintenance procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
5.6.1 Switch on. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
5.6.2 Open the door. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
5.6.3 Close the door. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
5.6.4 Switch off / Putting out of order. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
5.6.5 Scheduled rinse. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
5.6.6 Flush mixers and brewer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
5.6.7 Connect the fresh milk system — optional. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
5.6.8 Clean the fresh milk system — optional. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
5.6.9 Remove and clean the fresh milk parts — optional. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
5.6.10 Clean waste bucket. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
5.6.11 Clean the waste bin in the base cabinet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
5.6.12 Clean the drip tray. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
5.6.13 Clean the mixing system and all hoses. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
5.6.14 Remove and clean the brewer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
5.6.15 Clean brewer with cleaning tablet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
5.6.16 Unblock the grinder. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
5.6.17 Clean the canisters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
5.6.18 Clean the cold water outlet nozzle — optional. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
5.6.19 Deep clean the cold water outlet nozzle — optional. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
5.6.20 Fill up the ingredient canisters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
5.6.21 Enter canister ingredient levels — optional. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
5.6.22 Clean the outside of the machine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
5.6.23 Clean the touchscreen. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
5.6.24 The service key. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
5.6.24.1 Insert the service key. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
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5.6.24.2 Remove the service key. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
6 Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
6.1 Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
6.1.1 Message: Brewer is turning the wrong way, check the wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
6.1.2 Message: Brewer out of position. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
6.1.3 Message: Clean screen. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
6.1.4 Message: Clean the milk system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
6.1.5 Message: Communication error. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
6.1.6 Message: Door open. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
6.1.7 Message: Drip tray full. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
6.1.8 Message: Empty waste bucket. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
6.1.9 Message: Enough water?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
6.1.10 Message: Error occurred during recipe cycle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
6.1.11 Message: Filling boiler. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
6.1.12 Message: General error. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
6.1.13 Message: Grinder blocked. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
6.1.14 Message: Heating boiler. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
6.1.15 Message: Initialization failed, the brewer did not reach maximum movement. . . . . . . . . . . . . . . . . . . . . . 93
6.1.16 Message: Place the waste bucket in the machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
6.1.17 Message: Insert coins. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
6.1.18 Message: Mixer blocked. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
6.1.19 Message: Machine Blocked. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
6.1.20 Message: Not all ingredients available. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
6.1.21 Message: No coffee detected in brewer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
6.1.22 Message: No water connected / No water in boiler. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
6.1.23 Message: Piston blocked, dosage too high. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
6.1.24 Message: Place coffee funnel in the machine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
6.1.25 Message: Place cup in center. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
6.1.26 Message: Place cup left. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
6.1.27 Message: Please load configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
6.1.28 Message: Please load the User Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
6.1.29 Message: Recipe error, contact tech. support. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
6.1.30 Message: Replace water filter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
6.1.31 Message: Rinse brewer with tablet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
6.1.32 Message: Startup problem. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
6.1.33 Message: Temp. sensor disconnected. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
6.1.34 Message: Temperature boiler (too) high. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
6.1.35 Message: The brewer blocked during recipe, did not reach position. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
6.1.36 Message: Water level too low. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
6.1.37 Message: Wait, Heating boiler. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
6.1.38 Message: Waste bucket full / Empty waste bucket. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
6.1.39 Message: Water filter installed?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
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6.1.40 Message: Wrong brewer defined in the software. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
6.1.41 Message: Ready, take your cup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
7 Technical specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
7.1 Standards and regulations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
7.2 Type plate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
7.3 Disassembly and recycling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
7.4 Technical specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
7.5 Cup and jug sizes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
7.6 Manufacturer contact information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
8 Appendix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
8.1 Appendix list. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
8.2 Declaration of conformity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
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About this manual
Audience
This manual describes how to use and maintain the Nio coffee
machine. Intended users are the end user and staff responsible
for regular maintenance of the machine.
De Jong DUKE assumes that staff will:
•have sufficient technical knowledge and experience to carry
out the tasks assigned to them,
•recognize and prevent possible hazards,
•read and understand this manual,
•follow the procedures described in this manual,
•ensure that the machine will not harm personnel and/or
damage its environment.
If the responsible staff has permission to perform maintenance
actions or to change parameters, De Jong DUKE expects that the
operator is trained for these tasks.
Scope
This manual contains essential information for proper operation
and maintenance of the machine. Following the instructions
contained in this manual should assure trouble-free, safe
operation and maintenance of the machine.
CAUTION
Before using or maintaining the machine read this manual
carefully to become familiar with the functionality. Make sure
that any operator or service engineer understands the correct
operating and maintenance procedures and all safety
precautions. If any (part of the) information in this manual is
unclear contact the supplier.
Operators and service engineers must be adequately trained in
the correct operation of the machine. Keep this manual in a pre-
determined place near the machine.
Conventions
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.
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Nio XKA Series CoEx XL® brewer User Manual 5DUXKA20M EN V2.1

• Black circled numbers (e.g. 1, 2, 3) and numbers between
parentheses e.g. (1) in text refer to elements in a figure.
• Bold text is used for (sub)titles and for information that
needs special attention: 'Read these instructions carefully'.
• Menu names in the user interface are shown in bold, for
example: return to the Main menu.
• Settings in the user interface are shown in italics; for
example: 0.45.
• Soft keys, keyboard buttons and hardware buttons are shown
between brackets, for example: [Start], [Enter], [2].
•Messages shown in the user interface are shown between
quotation marks and in italics, e.g.:
'Place cup right'.
•Cross-references to sections, tables, figures etc. are indicated
as blue text or written as (see "....." on page ..). The main
purpose is easy recognition in the paper and on-line (PDF)
version of the manual. In the on-line version, the cross-
references function as hyperlinks that can be used to navigate
through the manual by clicking on them. Example: Scope (on
page 8).
•The safety symbols indicate situations or actions that may
endanger the operators and service engineers and are
explained in detail in the safety section.
• One additional symbol is available to give the reader
additional information:
TIP
Recommendations for the reader.
Related documents
In addition to this manual, the following documentation is
available:
• Technical manual
containing all information about the functionality of all parts
in the machine, procedures for servicing and configuring the
recipes.
• Electrical drawings
contains the electrical drawing/diagrams of the machine.
• Spare parts manual
containing relevant information for identification of the
spare parts.
• Third party documentation
contains the available documentation of third-party machine
parts.
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Availability of this manual
De Jong DUKE expects this manual to be available to all
operators and service engineers. The original hard copy (paper)
version should always be available near the machine.
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.
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1
Safety
1.1 Safety and risk levels
Four safety and risk levels are used in this manual.
The risk levels and explanations are:
NOTE
To show extra information that may help the reader.
CAUTION
Indicates a potentially hazardous situation that, if not avoided,
can result in minor or moderate injury or damage to the machine
or property.
WARNING
Indicates a potentially hazardous situation that, if not avoided
can result in death, serious injury or machine damage. 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.
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1.2 Safety and warnings
The safety warnings in this section apply to the entire document.
The risk level associated with the explanation are:
DANGER
All danger level warnings applicable to the entire document:
•Do not use water in or near the machine unless the
instructions contain explicit directions to the contrary. Risk
of electrocution when water comes in contact with internal
electrical parts.
•Do not use a water jet to clean the coffee machine.
•HOT water! The water system (boiler, pipes, etc.) may contain
hot water. Risk of burning when HOT water comes in contact
with a person that can cause a scalding injury.
•Do not move, lift or tilt the machine. Risk of serious personal
(hand and finger) injuries.
•Only qualified service personnel is allowed access to the
internals of the machine.
WARNING
All warning level warnings applicable to the entire document:
•Do not shake the machine while in use. Risk that machine can
tip over and fall.
•Do not lean on the door when open. Risk that machine can tip
over and fall. Risk of serious injury.
CAUTION
All caution level warnings applicable to the entire document:
•Do not use aggressive cleaning products or abrasives to clean
(parts of) the machine.
•Do not use a dish washer to clean parts.
•Do not use a damaged machine. Please contact your supplier.
•If a fault occurs disconnect the machine from the electrical
and water supplies. Please contact your supplier immediately.
NOTE
All note level warnings applicable to the entire document:
•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.
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•If the power cord is damaged it must be replaced by the
manufacturer, the supplier or similar qualified persons.
•Do not use an extension cord.
•Do not use an external timing device to manage the
availability of the machine.
•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.
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1.3 Installation
For instructions about transportation, unpacking, and
installation of the machine, consult the Technical manual.
• Installation, transportation, and adjustment of the machine
is specialized work, only properly trained service personnel is
allowed to do this.
•The coffee machine is for indoor use only.
•Make sure the machine is placed on a level, flat and stable
surface in a hygienic, dry room with a temperature between
5...40 °C .
•Make sure that the electricity and water supply connections
comply to local regulations and remain easily accessible after
installation.
1.4 Maintenance
Regular cleaning is needed to ensure hygienic operation of the
machine. This manual explains all cleaning procedures to ensure
a proper operation of the coffee machine.
1.5 Extended down time
•If the coffee machine will not be used for a longer period of
time (more than one week) it is recommended to turn off the
water supply and the electricity (if the power switch is not
accessible pulling the main power plug from the wall socket is
sufficient). This will also prevent unnecessary use of energy.
If the coffee machine was used also check the cleaning
procedures in section Switch off / Putting out of order (on
page 47).
• In areas where the temperature can drop below freezing
point, the boilers must be emptied. When freezing has
occurred allow sufficient time for the machine to reach room
temperature before switching on the machine. Contact your
supplier (see Service and support on page 3) for more
information.
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2
Description
2.1 Overview
The Nio coffee machine is a compact semi-automatic machine for
the preparation and vending of hot (and optionally cold) drinks.
The coffee machine is equipped with a paperless CoEx XL®
brewer to make fresh coffee and, depending on the
configuration, also espresso.
The coffee machine is operated using the touchscreen panel on
the door. By tapping one of the buttons on the screen a product
choice can be made. Before a beverage is dispensed a cup or jug
must be placed under one of the outlets. More details are found
in the sections:
•Using the coffee machine (on page 33) and
•User interface (on page 20) for information shown on the
touchscreen.
The next sections contain drawings of the front, the inside and
the optional base cabinet of the coffee machine. The drawings
show the location and the name of the most important parts of
the machine.
NOTE
All pictures show a generic configuration. The actual model can
be different. 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 100).
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2.1.1 Front view
Front view Nio small model with optional Fresh Milk refrigerator
NOTE
All pictures show a generic configuration. The actual model can
be different. To improve clarity, colors in the pictures may be
different from the actual colors.
1. Touchscreen
2. Fresh Milk Pump unit — optional
3. Cup warmer on refrigerator —
optional
4. Refrigerator — optional
5. Refrigerator door lock
6. Waste bucket handle
7. USB port with cover
8. Waste bucket
9. Drip tray / Cup stand / Jug stand
10. Adjustable outlet
11. Cup sensors
12. Door handle - Hot water outlet (/
Cold water — optional)
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)
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2.1.2 Inside view
The inside view shows the location and names of the most
important parts.
NOTE
All pictures show a generic configuration. The actual model can
be different. To improve clarity, colors in the pictures may be
different from the actual colors.
Inside view Nio CoEx XL model with one bean canister and 2
ingredient canisters / mixers (optional)
1. Ingredient canister lid
2. Ingredient canister
3. Canister outlet nozzle
4. Exhaust filter drawer
5. Mixer suction trap
6. Mixer house
7. Steam hose (Fresh Milk only) —
optional
8. Mixer bayonet catch
9. Cabinet
10. Waste guide to base cabinet
(instead of pos 11) — optional
11. Waste bucket
12. Drip tray / cup stand / jug stand
13. Adjustable outlet
14. CoEx XL brewer
15. Brewer locking grip
16. Coffee funnel
17. Cleaning pill entrance
18. Bean canister
19. Canister lid lock — optional
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2.1.3 Door interior
Door interior Nio model with optional (sparkling) cold water hose.
NOTE
All pictures show a generic configuration. The actual model can
be different. 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)
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2.1.4 Inside view base cabinet — optional
Inside view base cabinet (Nio model)
NOTE
All pictures show a generic configuration. The actual model can
be different. To improve clarity, colors in the pictures may be
different from the actual colors.
1. Base cabinet
2. Waste bin
3. Chiller sub cabinet -- optional
4. Chiller flush button CO2-- optional
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3
User interface
3.1 Display layout
The coffee machine is operated with a touchscreen on the door.
All selections are made by tapping (a short press) on one of the
buttons or menu tabs on the touchscreen.
Main screen layout (example)
NOTE
All drawings and screen images of the coffee machine are based
on generic configurations. The actual model will be different but
the functionality is similar.
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).
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