Service Manual
Revision 01 November 2015
Service
Coee Machine
HD 8930
New Royal
Table of contents Page
1. Introduction
1.1. Documentation required 1
1.2. Tools and equipment required 1
1.3. Material 1
1.4. Safety warnings 1
1.5
Service Policy
2
1.6. External machine parts 3
1.6. Internal machine parts 4
2. Technical specications
2.1. Technical specications 1
2.2. Machine parameters and performance 2
2.3. Specication for the measurement of the coee prod-
ucts temperature
4
2.3.1 Specication for the measurement of the Milk products
temperature
5
3. User instructions
3.1. Customer and programming menu 1
3.2. Machine indications 3
3.3. Operation, cleaning and maintenance 4
4. Operating logic
4.1. Water circuit 1
4.2. Frother unit valve assembly 2
4.3. Cappuccino maker assembly 2
4.4. Relief valve 3
4.5. Coee cycle 4
4.6. Single microswitch 5
4.7 Temperature sensor 5
Table of contents Page
4.8. Water level detection (water tank) 6
4.9. Descaling request 6
4.10. Water lter 7
5. Troubleshooting
5.1. Test mode 1
5.2. Diagnostics mode 5
5.3 Error messages 7
6.
Servicing and maintenance
6.1.
Repair Flow
1
7. Disassembly
7.1. Outer elements 1
7.2. Coee grinder 1
7.3. Grinder blades 2
7.4. Coee grinder motor 3
7.5. Doser hatch, coil and microswitch 3
7.6. Doser hopper 3
7.7. Coee boiler and steam boiler 4
7.8. Boiler pin 4
7.9. Coee pump and steam pump 4
7.10. Flow meter 5
7.11. Gear motor 5
7.12. Relief valve 6
7.13. Solenoid valve assembly 6
7.14. Steam pipe assembly 7
7.15. Dispenser assembly 7
7.16. Power board 7
All parts of this document are the property of Saeco International Group.
All rights reserved. This document and all the information herein is provided without liability deriving from any errors or omissions. Furthermore, no part may be reproduced,
used or collected, except where express authorization has been provided in writing or through a contractual agreement.
Published by Saeco International Group
Subject to modication EN 4219 400 013
2011-July-08
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