Manitowoc Merrychef eikon e2s Installation and operating manual

Microwave Combination Oven
Read instructions before use
Merrychef eikon e2s
Service and Repair Manual CE – Original, GBR
Part Number 32Z3935

Contents
eikon e2s Service and Repair Manual CE 2
Contents
1General information 4
1.1 EC Declaration of Conformity 5
1.2 Environmental protection 6
1.3 Important Information 6
1.4 Identifying your microwave combination oven 7
1.5 Structure of technical documentation 8
1.6 About this Service and Repair Manual 8
2Design and function 10
2.1 Design and function of the microwave combination oven 11
2.2 Layout and function of the operating panel 12
3For your safety 13
3.1 Basic safety code 14
3.2 Intended use of your microwave combination oven 21
3.3 Warning signs on your microwave combination oven 22
3.4 Summary of hazards 24
3.5 Hazards and safety precautions when moving the appliance 26
3.6 Hazards and safety precautions when setting up the appliance 27
3.7 Hazards and safety precautions during installing 28
3.8 Hazards and safety precautions when preparing appliance for use 29
3.9 Hazards and safety precautions during cleaning 30
3.10 Hazards and safety precautions during servicing and repair 32
3.11 Hazards and safety precautions when taking the appliance out of service 34
3.12 Safety devices 35
3.13 Requirements to be met by personnel and working positions 37
3.14 Personal protective equipment 38
4Setting up the appliance 40
4.1 Safe working when setting up the appliance 41
4.2 Requirements for the installation location 42
4.3 Mounting the appliance on a work surface 43
5Installation 44
5.1 Safe working during electrical installation 45
5.2 Planning the electrical installation 46
5.3 Electrical installation requirements 47
6Preparing the appliance for use 49
6.1 Safe working when preparing the appliance for use 50
6.2 Procedure for preparing the appliance for use 52
6.3 Start page 54
6.4 The keyboard screen 55
6.5 Using a USB stick 56
7Cleaning procedures 58
7.1 Daily cleaning tasks 59
7.2 Cleaning chemicals 59

Contents
eikon e2s Service and Repair Manual CE 3
7.3 Items required for cleaning 60
7.4 Safe working when cleaning 61
7.5 Cleaning procedures 63
7.5.1 Cool down procedure before cleaning 64
7.5.2 Cleaning instructions 66
8Technical data 71
8.1 Technical data 72
8.2 Dimensional drawings 74
9Diagnostics 75
9.1 Checking the condition of your appliance 76
9.2 Errors and diagnostics 80
9.3 Fault finding 87
10 Tests 91
10.1 Safe working when testing components 92
10.2 Requirements 94
10.3 Testing selected components (casing mounted) 94
10.4 High voltage components (casing removed) 103
10.5 Mains voltage components (casing removed) 106
11 Oven firmware 107
11.1 Firmware Updates 107
12 Replacing components 123
12.1 Safe working when replacing appliance parts 124
12.2 Overview 126
12.3 Removing / fitting the casing 131
12.4 Removing / fitting the door assembly 134
12.5 Replacing a magnetron 139
12.6 Replacing the cooling fan 144
12.7 Replacing the QTS (Quick Touch Screen) assembly 146
12.8 Replacing the SRB (Smart Relay Board) 151
12.9 Replacing the touchscreen overlay 153
12.10 Adjusting the door microswitches / interlocks 155
12.11 Replacing the stirrer motor 157
12.12 Replacing the convection fan motor 161
12.13 Replacing a transformer (high voltage) 163
12.14 Removing the convection fan motor speed controller 166
12.15 Overview – further components 168
13 Circuit diagrams and boards 174
13.1 SRB / QTS circuit boards 175
13.2 Circuit diagrams 178
14 Commissioning the appliance 180

1 General information
eikon e2s Service and Repair Manual CE 4
1 General information
Purpose of this chapter
This chapter shows you how to identify your microwave combination oven and provides guidance on
using this manual.
Contents
This chapter contains the following topics:
Page
EC Declaration of Conformity 5
Environmental protection 6
Important Information 6
Identifying your microwave combination oven 7
Structure of technical documentation 8
About this Service and Repair Manual 8

1 General information
eikon e2s Service and Repair Manual CE 5
1.1 EC Declaration of Conformity
Manufacturer
Authorised Representative (Brand Headquarters) Factory
Manitowoc Foodservice UK Limited Manitowoc Foodservice UK Limited
Ashbourne House, The Guildway, Provincial Park, Nether Lane,
Old Portsmouth Road Ecclesfield
Guildford GU3 1LR Sheffield S35 9ZX
United Kingdom United Kingdom
Equipment details
Generic Model Number
eikon e2s
Description
Commercial
Combination Microwave Oven
Declaration of Conformity with directives and standards
The manufacturer hereby declares that this commercial combination microwave oven complies with the
following directives and standards.
Compliance with Directives
This commercial combination microwave oven complies with the relevant provisions of the following
European Directives:
EMC 2004/108/EC
RoHS 2011/65/EU
MD 2006/42/EC
Harmonised standards applied
This commercial combination microwave oven complies with the relevant requirements of the following
European standards:
EN 60335-2-90:2006 +A1 (excluding Annex EE ship board requirements)
EN 60335-1:2012
EN 62233:2008
EN 55014-2:1997+A2:2008 in accordance with Category IV requirements
- Electrostatic discharge
IEC 61000
-4-2
- Radiated RF interference
IEC 61000
-4-3
- Fast transient common mode, AC port
IEC 61000
-4-4
- Mains surge, AC port
IEC 61000
-4-5
- RF current, common mode,AC port
IEC 61000
-4-6
- Mains voltage dips and interruptions
IEC
61000-4-11
- Flicker
IEC 61000
-3-11
EN 55011:2009+A1:2010 Classification: Class A, Group 2
- Mains terminal disturbance voltage
Table 6
- Radiated disturbance, magnetic field
Table 9
- Radiated disturbance, electric field
Table 9
AS/NZS CISPR 11
- Radiated disturbance
CISPR 11:2009 Class A
- Conducted disturbance
CISPR 11:2009 Class A

1 General information
eikon e2s Service and Repair Manual CE 6
Manufacturer
Place and Date of issue: Guildford, 31
st
July 2015
Mr Philip Radford
Vice President Products: Merrychef
(on behalf of theAuthorised Representative)
Quality and environmental management
Manitowoc Foodservice UK Limited (Sheffield) employs a quality management system in accordance
with EN ISO 9001:2008 and a certified environmental management system in accordance with EN ISO
14001.
1.2 Environmental protection
Statement of principles
Our customers' expectations, the legal regulations and standards and our company's own reputation set
the quality and service for all our products.
We have an environmental management policy that not only ensures compliance with all environmental
regulations and laws, but also commits us to continuous improvement of our green credentials.
We have developed a quality and environmental management system in order to guarantee the con-
tinued manufacture of high-quality products and to be sure of meeting our environmental targets.
This system satisfies the requirements of ISO 9001:2008 and ISO 14001:2004.
Environmental protection procedures
We observe the following procedures:
Use of RoHS2-compliant products
REACH chemical law
Recycling of electronic waste
Environmentally friendly disposal of old appliances via the manufacturer
Join us in our commitment to protect the environment.
1.3 Important Information
Users are cautioned that maintenance and repairs should be performed by a Merrychef®authorised
service agent using genuine Merrychef®replacement parts. Merrychef®will have no obligation with
respect to any product that has been improperly installed, adjusted, operated or not maintained in
accordance with national and local codes or installation instructions provided with the product, or any
product that has its serial number defaced, obliterated or removed, or which has been modified or
repaired using unauthorised parts or by unauthorised service agents. For a list of authorised service
agents please refer to your distributor.

1 General information
eikon e2s Service and Repair Manual CE 7
1.4 Identifying your microwave combination oven
Position of nameplate
The nameplate is located on the rear of your microwave combination oven.
1
Model number
eikon
e2s
2
Elements of the item
number
Label
Meaning
Model
e2s
Power output
convection
D
2200W
F
2200W / 1300W
G
2200W / 900W
Power output
microwave
B
2000W (High Power
version)
X
1000W (Standard Power
version)
Voltage
30
230V
MV5
220
-230V / 50Hz
MV6
208
-240V / 60Hz
00
200V
20
220V
Frequency
5
50Hz
6
60Hz
Lead
A
- Z
Example: H = L+N+E
(4mm EU)
Plug
A
- Z
Example: E = 3
-pin plug
Communication
L
USB + LAN
U
USB
Version
A, B
A, B (pre
-production)
1, 2, ...
1, 2, ... (serial production)
Accessory / Customer
CF
"
Trend" exterior
CL
"Classic" exterior
WW
Specific customer
Region / Country
EU
Europe
US
United States ofAmerica
3
Elements of the
serial number
Label
Meaning
Year
of manufacture
15
2015
16, ...
2016, ...
Month of manufacture
01
January
02, ...
February, ...
Place of manufacture
2130
Sheffield (UK)
Production number
12345
4
Technical data
5
Date of manufacture

1 General information
eikon e2s Service and Repair Manual CE 8
1.5 Structure of technical documentation
Contents
The technical documentation for the microwave combination oven includes the following documents:
Installation and Operating Manual
Service and Repair Manual (this document)
1.6 About this Service and Repair Manual
Purpose
This Service and Repair Manual is intended for all people who work with the microwave combination
oven, and provides them with the necessary information for carrying out servicing and repair work
properly and safely.
Who should read the Service and Repair Manual
Name of target group
Tasks
Trained service technicians
All servicing and repair work
Parts of this document that must be read without fail
If you do not follow the information in this document, you risk potentially fatal injury and prop-
erty damage.
To guarantee safety, all people who work with the microwave combination oven must have read and
understood the following parts of this document before starting any work:
The chapter 'For your safety'on page 13
The sections that describe the activity to be carried out
Chapters in the service and repair manual
Chapter/section
Purpose
General information

Shows you how to identify your appliance

Provides guidance on using this Service and Repair Manual
Design and function

Specifies the intended use of the appliance

Explains the functions of the appliance and shows the position of its compo-
nents
For your safety

Describes the hazards posed by the appliance and suitable preventive
measures

It is important that you read this chapter carefully.
Moving the appliance

Specifies the basic appliance dimensions

Specifies the requirements for the installation position

Explains how to convey the appliance to the installation position
Setting up the appliance

Explains how to unpack the appliance and specifies the parts supplied with the
appliance

Explains how to set up the appliance
Installation
Provides information on installing the electrical supply
Preparing the appliance for use
Explains the procedure for preparing the appliance for first
-time use

1 General information
eikon e2s Service and Repair Manual CE 9
Chapter/section
Purpose
Cleaning procedures

Explains the principles of the cleaning methods

Contains the cleaning instructions

Describes the cleaning chemicals and how to prepare them for use

Contains the instructions for working procedures during cleaning

Contains and refers to the instructions for handling operations on the micro-
wave combination oven regularly performed during cleaning
Technical data
Contains the technical data and dime
nsional drawings
Diagnostics
Contains a catalogue of potential errors and faults and specifies the required
actions
Tests
Contains instructions about testing various components of the appliance
Firmware
Explains the procedure to update the firmware of t
he appliance
Replacing components
Contains instructions for removing and fitting the appliance parts in order to
repair a defective appliance
Circuit diagrams and boards
Shows electrical circuit diagrams
and circuit boards
Commissioning the appliance
Contains checklists which actions to take when preparing the appliance for first
time
-use and recommissioning it after service/repair.
Safety alert symbol
Safety alert symbol
Meaning
Warns of potential injuries. Heed all the warning notices that
appear after this
symbol to avoid potential injuries or death.
Form of warning notices
The warning notices are categorized according to the following hazard levels:
Hazard level
Consequences
Likelihood
Death / serious injury (irreversible)
Immediate risk
Death / serious injury (irreversible)
Potential risk
Minor injury (reversible)
Potential risk
NOTICE
Damage to property
Potential risk
Decimal points
Decimal points are used throughout this manual in any language available.