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

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M

P

Q

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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.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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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 Sequence Figure 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
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