EasyManua.ls Logo

Viking VMOR205SS User Manual

Viking VMOR205SS
56 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
VMOR205SS
DMOR205SS
SERVICE MANUAL
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 following parts may result in a severe, possibly fatal, electrical shock. (High Voltage Capacitor, High
Voltage Power Transformer, Magnetron, High Voltage Rectifier Assembly, High Voltage Harness etc..)
S95M255VMO205
OVER THE RANGE
MICROWAVE OVEN
MODELS DMOR205SS
VMOR205SS
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
MICROWAVE MEASUREMENT PROCEDURE .....................................................................................................2
WARNING TO SERVICE PERSONNEL ................................................................................................................4
FOREWORD AND WARNING ................................................................................................................................5
PRODUCT SPECIFICATIONS ...............................................................................................................................6
GENERAL INFORMATION ...................................................................................................................................6
OPERATION .........................................................................................................................................................9
TROUBLESHOOTING GUIDE ............................................................................................................................. 17
TEST PROCEDURE ............................................................................................................................................ 20
TOUCH CONTROL PANEL ASSEMBLY .............................................................................................................31
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE ..................................................................37
PICTORIAL DIAGRAM ........................................................................................................................................ 46
LSI UNIT CIRCUIT ............................................................................................................................................... 47
PRINTED WIRING BOARD ................................................................................................................................. 48
PARTS LIST ........................................................................................................................................................ 49
PACKING AND ACCESSORIES ......................................................................................................................... 54
This document has been published
to be used for after sales service only.
The contents are subject to change
without notice
.
DMOR205SS
VMOR205SS
Range Corporation
111 Front St., Greenwood, MS 38930
Tel: (888) 845-4641

Other manuals for Viking VMOR205SS

Question and Answer IconNeed help?

Do you have a question about the Viking VMOR205SS and is the answer not in the manual?

Viking VMOR205SS Specifications

General IconGeneral
Capacity2.0 cu. ft.
Power1000 Watts
Control TypeElectronic
ColorStainless Steel
Cooking Levels10
Child LockYes
Warranty1 Year Limited
TypeOver-the-Range
Width29.875 inches
Exterior Dimensions29-7/8" W x 16-15/32" H x 15-15/32" D

Summary

PRECAUTIONS FOR MICROWAVE ENERGY EXPOSURE

BEFORE SERVICING

Steps to take before starting any servicing on an operative unit.

HIGH VOLTAGE DANGER AND CAUTION

Warning about high voltage hazards present in the microwave oven.

MICROWAVE MEASUREMENT PROCEDURE (USA)

MICROWAVE MEASUREMENT PROCEDURE (CANADA)

LEAKAGE TEST WITH ENCLOSURE INSTALLED

Test procedure for leakage with oven enclosure installed.

LEAKAGE TEST WITHOUT ENCLOSURE

Test procedure for leakage with oven enclosure removed.

WARNING TO SERVICE PERSONNEL

PRODUCT DESCRIPTION

GENERAL INFORMATION

OPERATION OVERVIEW

OPERATING SEQUENCE DESCRIPTION

Step-by-step explanation of the oven's operational sequence.

TROUBLESHOOTING AND TEST PROCEDURES

TOUCH CONTROL PANEL

COMPONENT REPLACEMENT AND ADJUSTMENT

WIRING DIAGRAM

PARTS LIST

SPECIFICATIONS

GENERAL INFORMATION

GROUNDING INSTRUCTIONS

Instructions and warnings related to proper grounding of the appliance.

OVEN DIAGRAM

CONTROL PANEL LAYOUT

OPERATION DETAILS

OPERATING SEQUENCE DESCRIPTION

Step-by-step explanation of the oven's operational sequence.

VARIABLE POWER COOKING

How to use the variable power cooking feature.

CONVECTION COOKING MODES

Details on convection cooking modes and preheating.

PREHEATING CONDITION

Steps and conditions for preheating in convection mode.

OPERATION DETAILS

AUTOMATIC MIX COOKING

How to use automatic mix cooking modes for combined cooking.

SENSOR COOKING FUNCTION

Explanation of the sensor cooking feature and its operation.

OPERATION DETAILS

CONVECTION BROIL, ROAST, BAKE

Details on convection broil, roast, and bake functions.

TIMED DEFROST COOKING

Instructions for using the timed defrost function.

FIRE SENSING FEATURE

Information about the fire sensing feature.

VENTILATION METHODS

VERTICAL VENTING

Description of the vertical venting method for hot air exhaust.

HORIZONTAL VENTING

Description of the horizontal venting method for hot air exhaust.

RE-CIRCULATION (INSIDE VENTING)

Description of the re-circulation (inside venting) method.

SCHEMATICS

OVEN SCHEMATIC - OFF CONDITION

Schematic diagram of the oven in the off condition.

OVEN SCHEMATIC - MICROWAVE COOKING

Schematic diagram for microwave cooking operation.

SCHEMATICS

OVEN SCHEMATIC - CONVECTION COOKING

Schematic diagram for convection cooking operation.

OVEN SCHEMATIC - AUTOMATIC MIX COOKING

Schematic diagram for automatic mix cooking.

COMPONENT FUNCTIONS AND DESCRIPTIONS

DOOR OPEN MECHANISM

Explanation of how the oven door opening mechanism works.

DOOR INTERLOCK SWITCHES

Function of door interlock and sensing switches.

MONITOR SWITCH FUNCTION

Function of the monitor switch and its role in safety.

TEMPERATURE FUSE (MG)

Description and function of the temperature fuse.

HOOD THERMAL CUT-OUT

Function of the thermal cut-out for the hood fan.

TURNTABLE MOTOR

Description of the turntable motor's function.

COOLING FAN MOTOR

Description of the cooling fan motor's function.

HOOD FAN MOTOR

Description of the hood fan motor's function.

COMPONENT FUNCTIONS AND DESCRIPTIONS

STIRRER MOTOR

Function of the stirrer motor.

HOOD LAMP

Function of the hood lamps.

HEATING ELEMENT

Function of the heating element.

CONVECTION COOKING SYSTEM

Explanation of how the convection cooking system works.

DAMPER MECHANISM OPERATION

Explanation of the damper mechanism's operation.

TROUBLESHOOTING GUIDE

TEST PROCEDURES

MAGNETRON ASSEMBLY TEST

Procedure for testing the magnetron assembly.

MICROWAVE OUTPUT POWER TEST

Procedure for testing microwave output power using water.

POWER TRANSFORMER TEST

Procedure for testing the power transformer.

HIGH VOLTAGE RECTIFIER TEST

Procedure for testing the high voltage rectifier.

HIGH VOLTAGE CAPACITOR TEST

Procedure for testing the high voltage capacitor.

DOOR INTERLOCK SWITCH TESTS

Testing of door interlock and sensing switches.

DOOR SENSING SWITCH TEST

Testing the door sensing switch.

PRIMARY INTERLOCK RELAY TEST

Testing the primary interlock relay (RY2).

MONITOR SWITCH TEST

Testing the monitor switch.

DAMPER SWITCH TEST

Testing the damper switch.

BLOWN MONITOR FUSE TEST

Procedure for testing and replacing a blown monitor fuse.

TEMPERATURE FUSE TEST

Testing the temperature fuse for the magnetron.

HOOD THERMAL CUT-OUT TEST

Testing the hood thermal cut-out.

THERMISTOR TEST

Testing the thermistor.

HOOD FAN MOTOR TEST

Procedure for testing the hood fan motor.

DAMPER MOTOR TEST

Procedure for testing the damper motor.

HEATING ELEMENT TEST

Procedure for testing the heating element.

CHECKING CONVECTION TEMPERATURE

Checking temperature readings in convection mode.

RELAY TEST

Testing the various relays in the oven circuit.

TIMED DEFROST TEST

Testing the timed defrost function.

NOISE FILTER TEST

Testing the noise filter.

TOUCH CONTROL PANEL ASSEMBLY TEST

KEY UNIT TEST

Testing the key unit of the touch control panel.

TOUCH CONTROL PANEL ASSEMBLY TEST

CONTROL UNIT TEST

Testing the control unit of the touch control panel.

KEY UNIT TEST

Testing the key unit of the touch control panel.

TOUCH CONTROL PANEL ASSEMBLY

KEY UNIT DESCRIPTION

Description of the key unit's composition and function.

CONTROL UNIT DESCRIPTION

Description of the control unit's components and functions.

LSI SIGNAL AND FUNCTION DESCRIPTION

ABSOLUTE HUMIDITY SENSOR CIRCUIT

SENSOR STRUCTURE

Description of the physical structure of the humidity sensor.

SENSOR OPERATIONAL PRINCIPLE

Explanation of the operational principles of the humidity sensor.

SENSOR DETECTOR CIRCUIT

Description of the circuit detecting the humidity sensor output.

SERVICING PROCEDURES

HANDLING ELECTRONIC COMPONENTS

Precautions for handling sensitive electronic components like CMOS LSI.

ELECTRONIC COMPONENT SHAPES

Illustrations of common electronic components.

TOUCH CONTROL PANEL SERVICING

Procedures and precautions for servicing the touch control panel.

COMPONENT REPLACEMENT AND ADJUSTMENT

HOOD EXHAUST LOUVER REMOVAL

Procedure for removing the hood exhaust louver.

COMPONENT REPLACEMENT AND ADJUSTMENT

OVEN REMOVAL FROM WALL

Procedure for removing the entire oven from the wall.

OUTER CASE REMOVAL

Procedure for removing the outer case of the oven.

UNIT MOUNTING & HOOD INTAKE DUCT R REMOVAL

Removal of unit mounting screws and hood intake duct R.

POWER TRANSFORMER REMOVAL

Procedure for removing the power transformer.

COMPONENT REPLACEMENT AND ADJUSTMENT

HOOD FAN MOTOR, EXHAUST DUCT, LAMP SOCKET & AH SENSOR REMOVAL

Removal of hood fan motor, exhaust duct, lamp socket, and AH sensor.

MAGNETRON REMOVAL

Procedure for removing the magnetron.

HIGH VOLTAGE RECTIFIER & CAPACITOR REMOVAL

Removal of high voltage rectifier and capacitor.

HOOD FAN THERMAL CUT-OUT REMOVAL

Procedure for removing the hood fan thermal cut-out.

MAGNETRON TEMPERATURE FUSE REMOVAL

Procedure for removing the magnetron temperature fuse.

COMPONENT REPLACEMENT AND ADJUSTMENT

COOLING FAN MOTOR REMOVAL

Procedure for removing the cooling fan motor.

COMPONENT REPLACEMENT AND ADJUSTMENT

TURNTABLE MOTOR AND COUPLING REMOVAL

Procedure for removing the turntable motor and coupling.

STIRRER MOTOR REMOVAL

Procedure for removing the stirrer motor.

STIRRER COVER & FAN INSTALLATION

Installation of stirrer cover and stirrer fan.

NOISE FILTER REMOVAL

Procedure for removing the noise filter.

OVEN LAMP REMOVAL

Procedure for removing the oven lamp.

CONTROL PANEL, UNIT & KEY UNIT REMOVAL

Removal of control panel, control unit, and key unit.

CONTROL PANEL, UNIT & KEY UNIT REMOVAL

POSITIVE LOCK CONNECTOR REMOVAL

Procedure for removing positive lock connectors.

COMPONENT REPLACEMENT AND ADJUSTMENT

CONVECTION DUCT ASSEMBLY REMOVAL

Procedure for removing the convection duct assembly.

THERMISTOR REMOVAL

Procedure for removing the thermistor.

CONVECTION HEATER REMOVAL

Procedure for removing the convection heater.

CONVECTION FAN AND MOTOR REMOVAL

Procedure for removing the convection fan and motor.

DAMPER MOTOR AND SWITCH REMOVAL

Removal of damper motor and damper switch.

DOOR INTERLOCK SWITCHES REMOVAL

Removal of door sensing, interlock, and monitor switches.

DOOR INTERLOCK SWITCHES ADJUSTMENT

DOOR REPLACEMENT

DOOR ASSEMBLY REMOVAL

Procedure for removing the door assembly.

DOOR REPLACEMENT

DOOR ASSEMBLY RE-INSTALL

Procedure for re-installing the door assembly.

DOOR DISASSEMBLY

Steps for disassembling the oven door.

CHOKE COVER REMOVAL

Procedure for removing the choke cover from the door.

DOOR FRAME REMOVAL

Procedure for removing the door frame.

PARTS LIST

ELECTRIC PARTS

List of electrical components and their part numbers.

CABINET PARTS

List of cabinet parts and their part numbers.

CONTROL PANEL PARTS

List of control panel parts and their part numbers.

PARTS LIST

OVEN PARTS

List of oven parts and their corresponding part numbers.

DOOR PARTS

List of door parts and their part numbers.

PARTS LIST

MISCELLANEOUS ITEMS

List of miscellaneous items and hardware.

SCREWS, NUTS AND WASHERS

List of screws, nuts, and washers used in the appliance.

PACKING AND ACCESSORIES

Related product manuals