Saeco GAGGIA VELASCA CMF-OTC User manual

Coee Machine
Service
ServiceManual
Rev. 00 MARCH 2017
All parts of this document are the property of Saeco International Group.
All rights reserved. is 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 modication
GAGGIA VELASCA CMF-OTC
01/03/2017
General Information
Description Value
Housing material Thermoplastic material
Size (w x h x d) 256mm x 340mm x 440 mm (data may vary depending on the model)
Weight 9.0 kg (data may vary depending on the model)
Power Cord length 1.2m
Control panel Front panel
Water tank 1.5 litres
Coee bean hopper capacity 300 g
Coee grounds drawer capacity 10
Pump pressure 15 bar
Boiler Stainless steel type
Safety devices Thermal fuse

GAGGIA VELASCA
4. Operating logic
4.1. Water circuit 1
4.2. Coee cycle 2
4.3. Single microswitch 3
4.3.1. Temperature sensor (adjustment) 3
4.4. Coee grinder 230V 4
4.5. Autodose system description 230V 4
4.6. Coee lack detection and coee grinder blocked 230V 5
4.7. Water level detection (water tank) 6
5. Service Mode
5.1. Test Mode 1
5.2. Steam Out 7
5.3. Error Codes for Out of Order alarm 8
5.4. Saeco Service Center - Quick Start Guide 8
6. Service and maintenance
6.1. Repair ow 1
4.8. Milk Carafe 6
4.9. AquaClean water lter 7
Table of contents Page
1. Introduction
1.1. Documentation required 1
1.2. Tools and resources 1
1.3. Material 1
1.4. Safety warnings 1
1.5. Service POLICY grid as used for coee machines 3
1.6.1. External machine parts (CMF) 4
1.6.2 External machine parts (OTC) 5
1.6.3. Internal machine parts 6
2. Technical specications
2.1. Technical specications 1
2.2. Machine parameters and performance 1
2.3. Specication for the measurement of the coee products
temperature
3
2.3.1. Specication for the measurement of the Milk products
temperature
4
3. Brief instructions
3.1. Customer menu GAGIA VELASCA CMF 1
3.2. Customer menu GAGGIA VELASCA OTC 1
3.3. Warning icons 2
3.4. Troubleshooting 2
Table of contents Page
7. Disassembly
7.1. Outer Shell 1
7.2. Coee grinder 1
7.3. Grinder blades 2
7.4. Coee grinder adjustment 2
7.5. Carafe connection and hot/steam water dispenser 3
7.6. Removing tap 3
7.7. Pump 3
7.8. Flow-meter 3
7.9. Boiler 4
7.10. CPU board 4
7.11. KYB interface and display 4
7.12. Gear motor 5
7.13. Fitting and removing Oetiker clamps 6
8. Notes
9. Water circuit diagram
9.1. Water circuit diagram 1
10. Electrical diagram
10.1. Electrical diagram 1
MODIFICATIONS TO SERVICE MANUAL
From Rev. To Rev. Chapter Inserted Modied

GAGGIA VELASCA
CHAPTER 1
INTRODUCTION

GAGGIA VELASCA 01 INTRODUCTION
1/6
1.1 Documentation required
The following documentation is needed for repair procedures:
• Instruction booklet for specic model
• Technical documentation for specic model (diagrams, exploded view, sympton cure and service
manual)
1.2 Tools and resources
As well as the standard equipment, the following is required:
1.3 Material
1.4 Safety warnings
We recommend you consult the technical manual of the machine before performing any mainte-
nance work.
Observe all applicable standards relating to the repair of electrical appliances.
Always disconnect the power plug from the mains before beginning repair work.
Always disconnect the power plug from the mains before beginning repair work.
Simply turning o 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 per-
formed.
Disassembling the machine, the operator must pay attention to hot and under pressure
parts: boiler, pin-boiler, valves, dispensing, steam tube, brew unit, connections and pipes
to avoid burns.
Please refer to specic hydraulic circuit (Image1) to know the parts in detail.
The machine hydraulic circuit can reach maximum pressure of 16/18 bar.
To operate in safety condition is recommended to perform the Steam Out procedure in
order to remove the pressure and hot water inside the hydraulic circuit.
12NC Material Code and Description
- Thermal paste Heat resistance > 200°C
996530067222 Descaler “ACC SAE DECALCIFIER 5 L 1 UNIT”
132253695601 Grease solvent “PARALIQ GB 363”
996530045784 Silicone grease “ACC TUBE FIN FOOD GREASE 2 400 ML”
12NC Description Notes
- Screwdriver
- Pliers for Oetiker clamps
- CC -A - Vdc tester
- Digital thermometer Scale limit > 150°C
996530009845 Serkit Tool needed for programming with SSC
- SSC (Saeco Service Center)
Tool used to ash the SW on the machines (for
SW upgrade and diagnostics mode). Refer to
SDA_111359.

GAGGIA VELASCA 01 INTRODUCTION
2/6
When the machine arrives at the Service Center in descaling mode interrupted, or making Descal-
ing, be very careful not to come into contact with the Descaler.
After the product has been repaired, it should function properly and has to meet the safety require-
ments and legal regulations as ocially laid down at this moment
Pump
Safety valve
Water
discharge
Steam pipe
Wa
ter tank
Two-way solenoid valve
Brewing Unit
Flowmeter
Boiler
Water
Hot water /steam
From this point circuit
High temperaure
From this point circuit
in pressure
Flowmeter
Steam and hot water
Two-way solenoid valve
Pump
Brewing Unit
Boiler
Safety valve
Water
discharge
Water tank
Image 1

GAGGIA VELASCA 01 INTRODUCTION
3/6
Components Assembly use Single components available
COFFEE
GRINDER Only for OOW repairs YES, to consult the specic exploded-view of the
machine or of the Coee Grinder on website
BREWING
UNIT Only for OOW repairs YES, to consult the specic exploded-view of the
machine or of the Brewing unit on website
BOILER Only for OOW repairs YES, to consult the specic exploded-view of the
machine on website
GEAR
MOTOR Only for OOW repairs YES, to consult the specic exploded-view of the
machine on website
FILTER
HOLDER Only for OOW repairs YES, to consult the specic exploded-view of the
machine on website
MILK
CARAFE Only for OOW repairs YES, to consult the specic exploded-view of the
machine on website
THERMAL
CARAFE Only for OOW repairs YES, to consult the specic exploded-view of the Thermal Carafe on website
MILK ISLAND Only for OOW repairs YES, to consult the specic exploded-view of the
Milk Island on website
List of principal assembly present in all our coee machines
1.5 Service POLICY grid as used for coee machines
For IN WARRANTY repairs is raccomanded to use when and where possible the single compo-
nents, available in the exploded views of the coee machines or of the specic components. If you
nd the information “SEE THE EXPLODED VIEW E........” in the assembly description eld, 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 specic Symptom Cure that include this possibili-
ty or when the single components are not available for the order.

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GAGGIA VELASCA 01 INTRODUCTION
4/6
1.6.1 External machine parts (CMF)
1Coee bean hopper lid
2Coee bean hopper
3 Power cord socket
4 Water tank
5Pre-ground coee compart-
ment
6Grinder adjustment knob
7 Control panel
8Coee grounds container
9 Dispensing spout
10 Drip tray
11 Drip tray cover
12 Drip tray full indicator
13 Espresso button
14 Espresso lungo button
15 Aroma strength button
16 Standby button
17 Menu button
18 Hot water button
19 Steam button
20 Power cord
21 Cleaning brush (for specic
types only)
22 Grease for the brew group
(for specic types only)
23 Pre-ground coee measur-
ing spoon
24 Water hardness test strip
25 Coee residues drawer
26 Brew group
27 Steam wand
28 Classic milk frother
1
12
16
26 25
20
5
10 11
6
9
7
8
2
4
13 19
14 18
15
24
23
21 22
28
27
17
3

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GAGGIA VELASCA 01 INTRODUCTION
5/6
1.6.2 External machine parts (OTC)
1Coee bean hopper lid
2Coee bean hopper
3 Power cord socket
4 Water tank
5Pre-ground coee compart-
ment
6Grinder adjustment knob
7 Control panel
8Coee grounds container
9 Dispensing spout
10 Drip tray
11 Drip tray cover
12 Drip tray full indicator
13 Espresso button
14 Espresso lungo button
15 Aroma strength button
16 Carafe quick clean button
17 Standby button
18 Menu button
19 Special drinks button
20 Milk froth button
21 Cappuccino button
22 Power cord
23 Cleaning brush (for specic
types only)
24 Grease for the brew group
(for specic types only)
25 Pre-ground coee measur-
ing spoon
26 Water hardness test strip
27 Coee residues drawer
28 Brew group
29 Milk carafe
30 Hot water dispensing spout
1
12
1716 18
28 27
22
5
10 11
6
9
7
8
2
4
13 21
14 20
15
26
25
23 24
30
29
19
3

GAGGIA VELASCA 01 INTRODUCTION
6/6
1.6.3 Internal machine parts
Turbine
Pump
Safety
valve
PW/CPU P.C.B.
Coee grinder
motor
motor resistance
grinder
Valve
Grinding adjustment insert
Boiler
Coee grinder
Boiler pin

GAGGIA VELASCA
CHAPTER 2
TECHNICAL
SPECIFICATIONS