Viking DMOC205SS User Manual

DMOC205SS
VMOC205SS
In the interest of user-safety the oven should be restored to its original condition and only parts identical to those specified
should be used.
WARNING TO SERVICE PERSONNEL: Microwave ovens contain circuitry capable of producing very high voltage and
current. Contact with the following parts may result in a severe, possibly fatal, electrical shock. (Inverter unit that includes
High Voltage Capacitor, High Voltage Power Transformer, High Voltage Rectifier and Heat sink etc., and Magnetron, High
Voltage Harness etc..)
TABLE OF CONTENTS
Page
PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO
AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY ................... INSIDE FRONT COVER
BEFORE SERVICING ...................................................................................................... INSIDE FRONT COVER
WARNING TO SERVICE PERSONNEL ................................................................................................................2
MICROWAVE MEASUREMENT PROCEDURE (Canada) ......................................................................................3
MICROWAVE MEASUREMENT PROCEDURE (USA) ..........................................................................................4
FOREWORD AND WARNING ................................................................................................................................5
PRODUCT SPECIFICATIONS ...............................................................................................................................6
GENERAL INFORMATION ...................................................................................................................................6
OPERATION .........................................................................................................................................................8
TROUBLESHOOTING GUIDE .............................................................................................................................14
TEST PROCEDURE ............................................................................................................................................ 16
TOUCH CONTROL PANEL ASSEMBLY .............................................................................................................23
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE ..................................................................29
PICTORIAL DIAGRAM ........................................................................................................................................ 36
POWER UNIT CIRCUIT ....................................................................................................................................... 37
PRINTED WIRING BOARD ................................................................................................................................. 38
PARTS LIST ........................................................................................................................................................ 39
PACKING AND ACCESSORIES ......................................................................................................................... 44
S14M227DMO205
DMOC205SS
VMOC205SS
MICROWAVE OVEN
MODELS
SERVICE MANUAL
This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
Range Corporation
111 Front St., Greenwood, MS 38930
Tel: (888) 845-4641
(VMOC205SS model shown)

Viking DMOC205SS Specifications

General

Capacity	2.0 cu. ft.
Control Type	Electronic Touch
Convection	No
Color	Stainless Steel
Cooking Levels	10
Preset Programs	Yes
Child Lock	Yes

Summary

Safety and Warning Information

Microwave Energy Exposure Precautions

Guidelines to avoid exposure to excessive microwave energy during servicing.

High Voltage and Servicing Warnings

Critical safety advice regarding high voltage and pre-servicing checks.

Service Personnel Safety

Essential safety protocols for technicians working on the unit.

Microwave Measurement Procedures

Canadian Leakage Test Requirements

Specifies leakage limits and test procedures for Canada.

USA Leakage Test Requirements

Specifies leakage limits and test procedures for USA.

Foreword

Product Description

General Information

Grounding Instructions

Details on proper grounding of the microwave oven for electrical safety.

Operation

Operating Sequence Overview

Step-by-step functions of components during oven operation.

Microwave and Combined Cooking Modes

Details on power levels, Compu modes, and fire sensing safety feature.

Convection Cooking Procedures

Instructions and sequences for convection and automatic mix cooking.

Sensor Cooking Operation

How to use the sensor cooking feature and its safety mechanisms.

Troubleshooting and Test Procedures

Troubleshooting Guide

Table of problems, causes, and corresponding parts for diagnosis.

Component Test Procedures

Detailed steps for testing individual components like magnetron, transformer, etc.

Touch Control Panel

Touch Control Panel Assembly Test

Procedures for testing and troubleshooting the touch control panel assembly.

Key Unit and Control Unit Tests

Specific tests for the key unit and control unit of the panel.

Component Replacement and Adjustment Procedures

External and High Voltage Component Removal

Steps for removing outer case, transformer, magnetron, capacitor, and rectifier.

Motor, Fan, and Damper Component Removal

Procedures for removing convection motor, fan motor, turntable motor, and damper assembly.

Heating, Lamp, and Control Panel Component Removal

Instructions for removing thermistor, heating element, oven lamp, and control panel.

Door Assembly and Switch Adjustments

Guidelines for replacing and adjusting the oven door and interlock switches.

Wiring Diagrams

Pictorial Diagram

Visual representation of component connections and wiring layout.

Control Panel and PWB Schematics

Schematic diagrams for the control panel and printed wiring board.

Parts List

Electrical, Cabinet, and Control Panel Parts

Lists of electrical, cabinet, and control panel components.

Oven, Door, Miscellaneous, and Hardware Parts

Lists of oven, door, miscellaneous parts, and hardware.

Packing and Accessories