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D420
User Manuals: Aromat Cafe D420 Coffee Maker
Manuals and User Guides for Aromat Cafe D420 Coffee Maker. We have
1
Aromat Cafe D420 Coffee Maker manual available for free PDF download: Service Manual
Aromat Cafe D420 Service Manual (56 pages)
Coffee Dispenser
Brand:
Aromat Cafe
| Category:
Coffee Maker
| Size: 6 MB
Table of Contents
Coffee Dispenser
1
Table of Contents
3
1 Introduction
5
Using this Manual
5
Understanding Fault Codes
6
The Control Panel
6
Setup Mode
7
Machine Supplied User Settings
7
2 Engineer Configurable Settings
8
Making Changes
8
Putting the D420 into Engineer Setup Mode
8
The Engineer Menu Structure
9
Machine Supplied Settings
9
3 Obtaining Replacement Parts
10
Illustrated Parts Catalogue
10
Using Web Site
10
Obtaining User Name and Password
10
Locating Part Illustration, Description and Number
10
On-Line Parts Enquiry Form
10
Exploded View Assembly Drawing
10
4 Preparing the D420 for Servicing
11
Preparing a Suitable Work Area
11
Noting Machine Settings
11
Removing the Casing Panels
12
Refitting the Casing Panels
12
Disconnecting / Reconnecting Power Supply
13
Disconnecting / Reconnecting Water Supply
14
Draining the Tank
14
Draining Water Inlet Hose Pipe
15
5 Servicing Tank and Water Supply
16
Replacing the Water Inlet Valve
16
Replacing Water Outlet Valves
16
Setting Water Outlet Valve Flow Rate
17
Replacing Heating Elements
19
Replacing Boiler Temperature Control Thermister
21
Calibrating the Thermister
21
Replacing Boiler over Temperature Thermostat
23
Replacing a Float Microswitch
23
De-Scaling the Tank
24
Cleaning Water Outlet Valves
25
6 Servicing Control Panel
27
Removing / Refitting Control Unit Assembly
27
Updating the PCB Processor Chip
27
Replacing the Control PCB
29
Replacing Set up or Prime/Flush Membranes
29
Replacing the Display Unit
30
7 Servicing the Cooler Unit
32
Removing / Refitting Cooler Unit
32
Checking Product Detect System
32
Checking for Channel Changeover
33
Replacing Peristaltic Pumps
36
Adjusting a Peristaltic Pump
37
Replacing Heat Pump
39
8 Servicing the Power Supply Unit
40
Removing / Refitting PSU
40
Removing / Refitting PSU Cover Panels
41
Replacing a Relay or the Contactor
42
Replacing the Switched Mode Psus
43
Replacing the PSU PCB
44
9 Technical Specifications
46
General Specifications
46
Main Looms Diagram
47
The Control PCB
48
PSU Wiring Diagram
49
A Calibrating a Suitable Container
50
B Recommended List of Tools
51
C Machine Settings Form
52
D Cleaning and Sanitising Instructions
53
EPSU Front Cover Label
54
Contact Information
56
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