Viking DMOC205SS, VMOC205SS service manual Test Procedure, Problem

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DMOC205SS

VMOC205SS

TEST PROCEDURE

A

B

C

D

E

F

G

H

E

I

J

K

L

M

P

Q

R

R

R

R

R

R

T

U

Replace

Replace

Replace

Replace

Check

Check

Check

Check

O

CONDITION

PROBLEM

POSSIBLE CAUSE

AND

DEFECTIVE PARTS

MAGNETRON

POWER TRANSFORMER

H.V. RECTIFIER ASSEMBLY

HIGH VOLTAGE CAPACITOR

PRIMARY INTERLOCK SWITCH

SECONDARY INTERLOCK SYSTEM

MONITOR SWITCH

MONITOR FUSE

THIRD DOOR SWITCH

THERMAL CUT-OUT

CONVECTION HEATER

THERMISTOR

DAMPER MOTOR

DAMPER SWITCH

TOUCH CONTROL PANEL

KEY UNIT

RELAY RY-1

RELAY RY-2

RELAY RY-3

RELAY RY-4

RELAY RY-5

RELAY RY-6

FOIL PATERN ON PWB.

AH SENSOR

OVEN LAMP OR SOCKET

FAN MOTOR

TURNTABLE MOTOR

CONVECTION MOTOR

LOOSE WIRING

SHORTED IN POWER CORD

NO POWER AT OUTLET

LOW VOLTAGE

NOISE FILTER

 

 

OFF CONDITION

 

 

COOKING CONDITION

 

 

(MICROWAVE)

 

 

 

(CONVECTION)

 

 

(SENSOR

 

 

 

 

 

 

 

 

 

 

 

COOKING)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Home fuse blows when power cord is plugged into wall receptacle.

 

Monitor fuse blows when power cord is plugged into wall receptacle

 

88:88 does not appear in display when power cord is first plugged into wall receptacle.

 

Display does not operate properly when STOP/CLEAR pad is touched. (The time of day should appear on the display with beep sound.)

 

Oven lamp does not light with door opened.

Oven lamp does not light in cook cycle. (It light when door is opened).

 

Cooking cycle runs 1 minute then shuts down.

 

Oven lamp light, but turntable motor does not operate.

 

Turntable motor operates normally but cooling fan motor does not operate.

Oven does not go into a cook cycle, when START pad is touched.

 

Low or no power is produced during microwave cooking (The food is heated incompletely or not heated at all)

 

Extremely uneven heating is produced in oven load (food).

 

Function of variable cooking does not operate properly except HIGH power.

 

Function of COMPU DEFROST does not operate properly.

CONV indicator lights, but oven does not go into cook cycle when START pad is touched.

 

CONV indicator lights, but heating element does not heat.

 

Temperature in the oven cavity is lower or higher than preset.

 

Cooling fan motor runs intermittently or all the time.

 

Convection cycle runs 4 minutes and 15 seconds then shuts down.

Oven in the sensor cooking condition but AH sensor does not end or AH sensor turns off about max. 30 min. after start.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

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Contents Models DMOC205SS VMOC205SS Table of ContentsBefore Servicing DMOC205SS VMOC205SS Before Servicing When the testing is completedLeakage test with enclosure installed Microwave Measurement Procedure CanadaRequirements Leakage test without enclosureLeakage test Microwave Measurement Procedure USAMicrowave Ovens DMOC205SS VMOC205SS Foreword If provided, Vent Hood, Fan assembly, Cooling Fan MotorViking Range Corporation High MIX. Roast SpecificationDescription VMOC205SS Oven DiagramOperation Power Level P-0 to P-90 CookingDescription of Operating Sequence OFF ConditionAutomatic MIX Cooking Condition Convection Cooking ConditionSensor Cooking Condition Preheating ConditionCompu Defrost Cooking Fire Sensing Feature Microwave ModeCompu BROIL/ Compu ROAST/ Compu Bake Cooking SequenceFigure O-1. Oven Schematic-OFF Condition Schematic DiagramFigure O-3. Oven Schematic-Automatic Mix Cooking Condition Description and Function of Components Damper OPEN-CLOSE Mechanism Troubleshooting GuideMicrowave Cooking Damper OperationProblem Test ProcedureHigh Voltage Capacitor Test Power Transformer TestHigh Voltage Rectifier Test Primary Interlock Switch and Third Door Switch Test Test Procedures Letter Component TestMonitor Switch Secondary Interlock System TestChecking Temperature in the Convection Mode Damper Switch TestHeating Element Test Thermistor TestNoise Filter Test Touch Control Panel Assembly TestWeight 1ST Stage 2ND Stage 3RD Stage 4TH Stage Level Time Test Procedures Letter Component Test KEY Unit TestRelay Test Compu Defrost TestAH Sensor Test Steps Occurrence Cause or CorrectionChecking the initial sensor cooking condition Water load cooking testChecking Control Unit Testing Method for AH Sensor AND/OR Control UnitDescription of LSI Touch Control Panel AssemblyThermistor LSIIXA103DRDigit selection signal Temperature measurement input Oven ThermistorConvection motor driving signal Cooling fan motor driving signalTOR Key strobe signal Segment data signalsSegment data signal Structure of Absolute Humidity Sensor Absolute Humidity Sensor CircuitServicing Power Transformer Removal Component Replacement and Adjustment ProcedureOuter Case Removal Magnetron RemovalPositive Lock Connector NO-CASE Type Removal High Voltage Rectifier Assembly RemovalDamper Assembly Removal High Voltage Capacitor RemovalFAN Motor Removal Oven Lamp and Lamp Socket RemovalThermistor Removal Heating Element RemovalControl Unit and KEY Unit Power Supply Cord ReplacementControl Panel Assembly and Control Unit Removal Adjustment Door Replacement and AdjustmentAfter adjustment, check the following RemovalAfter adjustment, make sure of the following Door DisassemblyDoor Adjustment Preparation For Testing Microwave Measurement ProcedureLeakage test Leakage Test with Enclosure Installed RequirementFigure S-1. Pictorial Diagram SFigureControl Panel DIP Electrical Parts Parts ListCabinet Parts Control Panel PartsScrews Nuts and Washers Door PartsMiscellaneous LX-NZ0029YBE0 Oven and Cabinet Parts Control Panel Parts Door Parts Packing and Accessories DMOC205SS VMOC205SS Copyright 2004 by Viking

VMOC205SS, DMOC205SS specifications

The Viking DMOC205SS and VMOC205SS are two state-of-the-art microwave ovens that redefine cooking convenience and efficiency. Designed for modern kitchens, these appliances come equipped with a range of features and technologies that enhance their usability and performance.

One of the most notable aspects of the Viking DMOC205SS and VMOC205SS is their powerful cooking capabilities. Both models utilize an advanced cooking system that ensures even heat distribution, resulting in perfectly cooked meals every time. With a robust wattage of up to 1,200 watts, these microwaves can quickly and efficiently prepare a wide variety of dishes.

The DMOC205SS features a spacious interior, offering 2.1 cubic feet of cooking space, making it ideal for larger families or those who frequently entertain guests. The VMOC205SS variant also shares a similar capacity but comes with additional features tailored for versatility. The interior design of both models includes a stainless steel finish that not only enhances durability but also adds a touch of elegance to any kitchen.

Functionality is at the forefront of the Viking DMOC205SS and VMOC205SS. Both models are equipped with multiple cooking modes, including microwave, convection, and grilling options. This multi-functional capability allows users to seamlessly switch between cooking methods, ensuring optimal results for various recipes. The intuitive control panel features easy-to-read buttons and a digital display, making it user-friendly for all cooking levels.

In terms of technology, these Viking microwaves incorporate sensor cooking, which automatically detects the moisture and temperature of food, adjusting cooking times accordingly. This feature not only prevents overcooking but also ensures consistently delicious results. The models also come with pre-programmed cooking settings for popular dishes, making meal preparation simpler and quicker.

Energy efficiency is another critical aspect of the Viking DMOC205SS and VMOC205SS. Both models are designed to minimize energy consumption while maximizing performance, which is beneficial for both the environment and the homeowner’s energy bills.

Safety features are embedded within the design of these microwaves. They include a child lock function to prevent accidental use, as well as a timer that ensures food is cooked for the precise amount of time needed.

In summary, the Viking DMOC205SS and VMOC205SS are exceptional microwave ovens that combine advanced technology, practical features, and stylish design. Their powerful cooking capabilities, user-friendly controls, and energy-efficient operation make them a perfect addition to any modern kitchen. These appliances empower users to explore a wide range of cooking possibilities, bringing convenience and quality to meal preparation.