Philips Saeco Gaggia Unica RI 9933 User manual

Service Manual
Revision 01 December 2012
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 authorisation has been provided in writing or through a contractual agreement.
Published by Saeco International Group Subject to modification EN 4219 400 00012
Service
Coee Machine RI 9933
Gaggia Unica
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
1.6.1. External machine parts 3
1.6.2. Internal machine parts 4
2. Technical specifications
2.1. Technical specifications 1
2.2 Specification for the measurement of the coffee
products temperature.
2
2.3. Machine parameters and performance 3
3. User instructions
3.1. Customer and programming menu 1
3.2. Machine indications 2
3.3. Operation, cleaning and maintenance 3
4. Operating logic
4.1. Water circuit 1
4.2. Coffee cycle 2
4.3. Single microswitch 3
4.4. Temperature sensor 3
4.5. Coffee grinder 4
4.6. Low bean level detection, dose quantity adjustment,
coffee grinder blocked
4
Table of contents Page
4.7. Dose self-learning (SAS) 5
4.8. Water level detection (water tank) 6
4.9. Water level detection (drip tray) 6
4.10. Descaling request 7
4.11. Water filter 7
5. Troubleshooting
5.1. Test mode 1
5.2. Error messages 3
6. Standard checks
6.1. Repair schedule 1
6.2. Service schedule 1
6.3. Final test 2
7. Disassembly
7.1. Outer elements 1
7.2. Coffee grinder 1
7.3. Grinder blades 2
7.4. Coffee grinder adjustment 3
7.5. Pump 4
7.6 Turbine 4
7.7 Power card 4
7.8 Caldaia 4
7.9 Gearmotor 5
2011-June-08

Saeco International Group Rev. 01 GAGGIA UNICA
Table of contents Page
7.10. Cock card and hot water/steam cock 6
7.11. Dispenser assembly 6
7.12. CPU and display card 6
7.13. Fitting and removing Oetiker clamps 7
8. Notes
9. Water circuit diagram
10 Electrical diagram

Saeco International Group Rev. 01 GAGGIA UNICA

GAGGIA UNICA 01 INTRODUCTION
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1.1 Documentation required
The following documentation is needed for repair procedures:
• Instruction booklet for specific model
• Technical documentation for specific model (diagrams, exploded drawings)
1.2 Tools and equipment required
As well as the standard equipment, the following is required:
Qty. Description Notes
1 Screwdriver Torx T 8 - T 10 - T 20
1 Pliers for Oetiker clamps
1 CC -A - Vdc tester
1 Digital thermometer Scale limit > 150°C
1 SSC (Saeco Service Center) Programmer
(for programming and diagnostics mode)
1.3 Material
Description Notes
Thermal paste Heating element > 200°C
Descaler Saeco descaler
Grease solvent Personal choice
Silicone grease Safe to use with food
1.4 Safety warnings
We recommend you consult the technical manual of the machine before performing any
maintenance work.
Observe all applicable standards relating to the repair of electrical appliances.
Always disconnect the power plug from the mains before beginning repair work.
Simply turning off the main machine power switch is not an adequate safety precaution.
This domestic appliance is rated as insulation class I.
On completion of the repair work, insulation and dielectric rigidity tests must be performed.
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GAGGIA UNICA 01 INTRODUCTION
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02
Components Assembly use Single components available
COFFEE
GRINDER Only for OOW repairs YES, to consult the specific exploded-view of the machine or of the Coffee Grinder on website
BREWING
UNIT Only for OOW repairs YES, to consult the specific exploded-view of the machine or of the Brewing unit on website
BOILER Only for OOW repairs YES, to consult the specific exploded-view of the
machine on website
GEAR
MOTOR Only for OOW repairs YES, to consult the specific exploded-view of the machine on website
FILTER
HOLDER Only for OOW repairs YES, to consult the specific exploded-view of the machine on website
MILK
CARAFE Only for OOW repairs YES, to consult the specific exploded-view of the machine on website
THERMAL
CARAFE Only for OOW repairs YES, to consult the specific exploded-view of the Thermal Carafe on website
MILK ISLAND Only for OOW repairs YES, to consult the specific exploded-view of the
Milk Island on website
1.5 Service POLICY grid as used for coffee machine
List of principal assembly present in all our coffee machines
For IN WARRANTY repairs is mandatory to use the single components (not the assembly) avai-
lable in the exploded views of the coffee machines or of the specific components. If you find the
information “SEE THE EXPLODED VIEW E........” in the assembly description field, it means that
the single components of the assembly are available in the other pages of the exploded view. It’s
possible to use the assembly only if there is a specific Symptom Cure that include this possibility
or when the single components are not available for the order.