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MERRYCHEF conneX
Welbilt MERRYCHEF conneX User Manual
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108
Merrychef
conneX
®
serv
ic
e
and
r
epa
ir
manual
7 Circuit boards and
diag
rams
B
ack
to
conte
nts
>
7 CIRCUIT BOARDS A
ND DIAGRAMS
IO
BOARD
IO
Board
LV
Connections
Notes
: Standard p
ower versions (Ce
ntre Mag
netron only)
X514. Link fitted
X112. Pins 1
& 2
not used
X411. Not used
107
109
Table of Contents
Table of Contents
2
General Information
4
Declaration of Conformity
4
Environmental Protection
4
Important Information
4
Identifying Your Microwave Combination Oven
5
About this Service and Repair Manual
6
For Your Safety
7
Basic Safety Code
7
Requirements to be Met by Personnel and Working Positions
8
Personal Protective Equipment
8
Intended Use of the Microwave Combination Oven
10
Warning Signs on the Microwave Combination Oven
11
Safety Devices
12
Summary of Hazards
13
Hazards and Safety Precautions When Setting up the Appliance, During
13
Safe Working When Working on the Appliance
14
Hazards and Safety Precautions During Servicing and Repair
14
Hazards and Safety Precautions When Taking the Appliance
17
Safe Working During Electrical Installation
18
Electrical Installation Requirements
19
Safe Working When Testing Components
20
Process for Discharging the Capacitors
21
Safe Working When Replacing Appliance Parts
22
Technical Data
24
Technical Data Charts
24
Dimensional Drawings
31
Accessing the Easytouch ® 2.0 Screen
33
Main Menu Screen
33
The Keyboard Screen
34
Cleaning Procedures
35
Using a USB Stick
36
Firmware Updates
37
Service Information
41
Service Procedure
41
Errors and Diagnostics
42
Fault Finding
49
Safe Working When Testing Components
56
Requirements
56
Testing Selected Components (Casing Mounted)
56
Recommissioning Test
61
High Voltage Components (Casing Removed)
65
Mains Voltage Components (Casing Removed)
67
Kitchenconnect Components
69
Replacing Components
69
Safe Working When Replacing Appliance Parts
69
Overview
70
Removing / Fitting the Casing
73
Removing / Fitting the Door Assembly and Hinges
74
Adjusting the Door Microswitches/Interlocks
76
Replacing the Door Gasket
79
Replacing a Magnetron
80
Replacing the Cooling Fan
82
Replacing the UI (User Interface) Assembly
83
Replacing the IO Board (Input Output Board)
86
PM (Personality Module) Replacement
87
Replacing the Stirrer Motor and Stirrer Assembly
88
Replacing the Convection Fan Motor
90
Replacing a Transformer (High Voltage)
91
Removing the Convection Fan Motor Speed Controller
93
Replacing the Heating Element
94
Overview - Further Components
95
Technical Data Summary Sheet
102
Circuit Boards and Diagrams
103
IO Circuit Board
103
Circuit Diagrams
107
Annual PM Check Procedure for Connex
113
4
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Welbilt MERRYCHEF conneX Specifications
General
Brand
Welbilt
Model
MERRYCHEF conneX
Category
Commercial Food Equipment
Language
English
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