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8

RDMOS201SS

 

 

 ITEM 

   

DESCRIPTION

Power Requirements  

120 Volts / 13.0 Amperes/1500Watts

 

60 Hertz

  

Single phase, 3 wire grounded

Power Output  

1100 watts (IEC-705 TEST PROCEDURE)

 

Operating frequency of 2450MHz

Case Dimensions  

Width   24"

  

Height 13-3/8" 

 

Depth  19-1/8"

Cooking Cavity Dimensions 

Width   17-3/8"

2.0 Cubic Feet  

Height   10-1/2"

 

Depth 18-5/8"

 

Tray Size 15"     

Control Complement  

Touch Control System

 

Clock ( 1:00 - 12:59 )

 

Timer (0 - 99 min. 99 seconds)

 

Microwave Power for Variable Cooking

 

  Repetition Rate;

P-HI .................................................. Full power throughout the cooking time

P-90 ..................................................................... approx.  90% of Full Power

P-80 ..................................................................... approx.  80% of Full Power

P-70 ..................................................................... approx.  70% of Full Power

P-60 ..................................................................... approx.  60% of Full Power

P-50 ..................................................................... approx.  50% of Full Power

P-40 ..................................................................... approx.  40% of Full Power

P-30  .................................................................... approx.  30% of Full Power

P-20 ..................................................................... approx.  20% of Full Power

P-10 ..................................................................... approx.  10% of Full Power

P-0 ..................................................... No power throughout the cooking time   

      

 

Cavity 

Light 

   Yes

Safety Standard 

CUL Listed                FCC Authorized

 

DHHS Rules, CFR, Title 21, Chapter 1, Subchapter J and Canadian Standards  

 

Association. Health CANADA.

SPECIFICATION

GENERAL INFORMATION

GROUNDING INSTRUCTIONS

This oven is equipped with a three prong grounding plug. It must be plugged into a wall receptacle that is properly installed 
and grounded in accordance with the National Electrical Code and local codes and ordinances.
In the event of an electrical short circuit, grounding reduces the risk of electric shock by providing an escape wire for the 
electric current.
WARNING: 

Improper use of the grounding plug can result in a risk of electric shock.

Electrical Requirements
The electrical requirements are a 120 volt 60 Hz, AC only,
15 or 20 amp. fused electrical supply. It is recommended that a separate circuit serving only this appliance be provided. 

Power Level, Help, Timer Clock, Stop/Clear, Start Add-A-Minute, Hot Water, 
Sensor Reheat, Keep Warm Plus, Baked Potatoes, Popcorn, Freash Vegeta-
bles, Ground Meat, Rice, Fish/Seafood, Frozen Entrees, Chicken Breast, Fro-
zen Vegetables, Fresh Rolls/Muffins, Beverage, Frozen Rolls/Muffins, Ground 
Meat, Steaks Chop, Poultry Boneless, Poultry Bone-in.

Содержание RDMOS201SS

Страница 1: ...n High Voltage Harness etc TABLE OF CONTENTS Page PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY 2 BEFORE SERVICING 2 WARNING TO SERVICE PERSONNEL 4 MICROWAVE MEASUREMENT PROCEDURE 5 FOREWORD AND WARNING 7 PRODUCT SPECIFICATIONS 8 GENERAL INFORMATION 8 OPERATION 10 TROUBLESHOOTING GUIDE 14 TEST PROCEDURE 15 COMPONENT REPLACEMENT AND ...

Страница 2: ...n check as per the Microwave Measure ment Procedure outlined in this service manual If microwave emissions level is in excess of the specified limit contact Viking Service immediately 1 888 845 4641 If the unit operates with the door open service person should 1 tell the user not to operate the oven and 2 contact VIKING plus the Department Of Health Canada and or the Food and Drug Administration s...

Страница 3: ...3 RDMOS201SS Notes ...

Страница 4: ...e capacitor 4 Disconnect the leads to the primary of the power transformer 5 Ensure that the leads remain isolated from other components and oven chassis by using insulation tape 6 After that procedure reconnect the power supply cord When the testing is completed 1 Disconnect the power supply cord and then remove outer case 2 Open the door and block it open 3 Discharge high voltage capacitor 4 Rec...

Страница 5: ...tely 4 Set the cooking control on Full Power Cooking Mode Close the door and select a cook cycle of several minutes If the water begins to boil before the survey is completed replace it with 275 ml of cool water C Leakage test with enclosure installed 1 Grasp the probe of the survey instrument and hold it perpendicular to the gap between the door and the body of the oven 2 Move the probe slowly no...

Страница 6: ...n cavity The water container shall be a low form of 600 ml 20 oz beaker with an inside diameter of approx 8 5 cm 3 1 2 in and made of an electrically nonconductive material such as glass or plastic The placing of this standard load in the oven is important not only to protect the oven but also to insure that any leakage is measured accurately 4 Set the cooking control on Full Power Cooking Mode 5 ...

Страница 7: ...ot damaged D The door is not deformed or warped E There is no other visible damage with the oven Servicing and repair work must be carried out only by trained service personnel DANGER Certain initial parts are intentionally not grounded and present a risk of electrical shock only during servicing Service person nel Do not contact the following parts while the appliance is energized High Voltage Ca...

Страница 8: ...itle 21 Chapter 1 Subchapter J and Canadian Standards Association Health CANADA SPECIFICATION GENERAL INFORMATION GROUNDING INSTRUCTIONS This oven is equipped with a three prong grounding plug It must be plugged into a wall receptacle that is properly installed and grounded in accordance with the National Electrical Code and local codes and ordinances In the event of an electrical short circuit gr...

Страница 9: ...will auto start the cooking after one touch example popcorn are disabled when the oven has not been used for longer thanthreeminutes Thesefeatures are automatically enabled when the door is opened and closed or the STOP CLEAR pad is pressed One touch door open button 1 Push to open door Oven door with see 2 through window Safety door latches 3 The oven will not operate unless the door is securely ...

Страница 10: ...The circuits to the turntable motor the cooling fan motor and the high voltage components are de energized the oven lamp remains on and the digital read out displays the time still remaining in the cook cycle when the door was opened 7 The monitor switch electrically monitors the operation of the primary and third door switch and is mechanically associated with the door so that it will function in...

Страница 11: ...ne of the SENSOR pads NOTE The oven should not be operated on sensor immediately after plugging in the unit Wait two minutes before cooking on SENSOR 2 Thecoilofshut offrelay RY 1 isenergized theturntable motor are turned on but the power transformer is not turned on 3 After about 16 seconds the cook relay RY 2 is energized The power transformer is turned on microwaveenergyisproducedandfirststagei...

Страница 12: ...RY GRY TABLE TURN MOTOR WHT FAN MOTOR TTM FM OL ORG TEMP CAVITY FUSE RY1 RY2 N O B2 DOOR SENSING SWITCH HUMIDITY SENSOR OVEN RELAY LAMP RED BLK GRY WHT BRN SWITCH DOOR THIRD COM N O NOISE FILTER L C1 C3 C2 GND WHT RED WHT WHT BLU BLK RED WHT WHT GRY VOLTAGE HIGH CAPACITOR 60Hz BLK N C COM COM N O C T FUSE COM ORG INTERLOCK MAGNETRON HIGH VOLTAGE RECTIFIER MONITOR SWITCH GRY YLW BRN TRANSFORMER POW...

Страница 13: ...PRIMARY THIRD DOOR INTERLOCK SWITCHANDMONITORSWITCHFORPROP EROPERATION REFERTOCHAPTER TEST PROCEDURE NOTE C T FUSE AND MONITOR SWITCH ARE REPLACED AS AN ASSEMBLY TURNTABLE MOTOR The turntable motor rotates the turntable located on the bottom of the oven cavity so that the foods on the turntable cook evenly during cooking The turntable may turn in either direction COOLING FAN MOTOR The cooling fan ...

Страница 14: ...IT as an assembly IMPORTANT Whenever troubleshooting is performed with the power supply cord disconnected It may in some cases be necessary to connect the power supply cord after the outer case has been removed in this event 1 Disconnect the power supply cord and then remove outer case 2 Open the door and block it open 3 Discharge high voltage capacitor 4 Disconnect the leads to the primary of the...

Страница 15: ...tely cooked or not cooked at all at end of cook cycle Oven goes into a cook cycle but extremely uneven heating is produced in oven load food Oven does not cook properly when programmed for Cooking Power 5 mode Operates properly onCookingPower10 HIGH mode OvengoesintoCOMPUDEFROST but food is not defrosted well AH sensor does not end during sen sor cooking condition Oven does not shut off after a cu...

Страница 16: ...ULD BE OBSERVED Power output of the magnetron can be measured by performing a water temperature rise test This test should only be used if above tests do not indicate a faulty magnetron and there is no defect in the following components or wiring silicon rectifier high voltage capacitor and power transformer This test will require a 16 ounce 453cc measuring cup and an accurate mercury thermometer ...

Страница 17: ...tion of control unit Check for restricted air flow through the vent holes of the oven cavity especially the cooling fan and air guide 5 Reconnect all leads removed from components during testing 6 Reinstall the outer case cabinet 7 Reconnect the power supply cord after the outer case is installed 8 Run the oven and check all functions C T FUSE TEST 1 Disconnect the power supply cord and then remov...

Страница 18: ...fail in the open position and the door is closed the cooling fan turntable and oven light will be activated by RY1 SECONDARY INTERLOCK RELAY RY2 1 Disconnect the power supply cord and then remove outer case 2 Open the door and block it open 3 Discharge high voltage capacitor 4 Disconnect two 2 wire leads from the male tab terminals of the Secondary Interlock Relay Check the state of the relay cont...

Страница 19: ...mer 5 Ensure that these leads remain isolated from other components and oven chassis by using insulation tape 6 After that procedure re connect the power supply cord 1 Key Unit NOTE 1 Disconnect the power supply cord and then remove outer case 2 Open the door and block it open 3 Discharge high voltage capacitor 4 Check Key unit ribbon connection before replacement 5 Reconnect all leads removed fro...

Страница 20: ...ey produces no signal 2 3 Other possible problems caused by defective control unit a Buzzer does not sound or continues to sound b Clock does not operate properly c Cooking is not possible When testing is completed 1 Disconnect the power supply cord and then remove outer case 2 Open the door and block it open 3 Discharge high voltage capacitor 4 Reconnect all leads removed from components during t...

Страница 21: ... A C voltmeter The meter should indicate 120 volts if not check oven circuit RY1 and RY2 Relay Test These relays are operated by D C voltage Check voltage at the relay coil with a D C voltmeter during the microwave cooking operation DC voltage indicated Defective relay DC voltage not indicated Check diode which is connected to the relay coil If diode is good control unit is defective RELAY SYMBOL ...

Страница 22: ...ransformer 5 Ensure that these leads remain isolated from other components and oven chassis by using insulation tape 6 After that procedure re connect the power supply cord 7 Follow the troubleshooting guide given below for repair STEPS OCCURRENCE CAUSE OR CORRECTION The rated AC voltage is not present between 1 Pin No 1 of the 2 pin connector A and the Check supply voltage and oven power cord com...

Страница 23: ...1000 milliliters measuring cup 3 Place the container on the center of tray in the oven cavity 4 Close the door 5 Touch the Timer Clock pad once the Power Level pad twice the Start pad once and the number pad once Now the oven is in the sensor cooking condition and TEST SENSOR and COOK will appear in the display 6 The oven will operate for the first 16 seconds without generating microwave energy NO...

Страница 24: ...ter approximately 25 seconds push plunger of select switch for more than 3 seconds This condition is same as judgement by AH sensor 9 4 After approximately 3 seconds the display shows xx xx which is remaining cooking time and the display count down If the above is not the case the control unit is probably defective If the above is proper the AH sensor is probably defective 10 Disconnect the power ...

Страница 25: ...DICATION OF OHM METER Between N and H Open Circuit Between terminal N and LOAD Short Circuit Between terminal H and LOAD Short Circuit If incorrect readings are obtained replace the noise filter 6 Reconnect all leads removed from components during testing 7 Re install the outer case cabinet 8 Reconnect the power supply cord after the outer case is installed 9 Run the oven and check all functions N...

Страница 26: ...ge the resistance values in parallel with R107 R111 of IC2 Changing the resistance value results in that there is the same potential at both F 3 terminal of the absolute humiditysensorandAN0terminaloftheLSI Thevoltage of AN1 terminal will indicat about 16 seconds about 2 50 V This initial balancing is set up about 16 secondsaftertheunitisputintheSensorCookingmode As the sensor cooking proceeds the...

Страница 27: ...IRING 1 Disconnect the power supply cord 2 Make sure that a definite click can be heard when the microwave oven door is unlatched Hold the door in a closed position with one hand then push the door open button with the other this causes the latch leads to rise it is then possible to hear a click as the door switches operate 3 Visuallycheckthedoorandcavityfaceplatefordamage dents cracks signs of ar...

Страница 28: ...t one of the power transformer from the high voltage capacitor 7 Remove one 1 screw holding capacitor holder with the high voltage rectifier to the base plate 8 Disconnect rectifier terminal from capacitor High voltage rectifier assembly is now free 9 Remove capacitor holder Capacitor is now free CAUTION WHEN REPLACING HIGH VOLTAGE REC TIFIER AND HIGH VOLTAGE CAPACITOR GROUND SIDE TERMINAL OF THE ...

Страница 29: ...l flat type screw driver 6 Remove the oven lamp socket from the magnetron duct by turning the socket counterclockwise 7 Remove the oven lamp from the socket by turning the oven lamp 8 Now the oven lamp and the oven lamp socket are free OVEN LAMP AND LAMP SOCKET REMOVAL Figure C 1 Oven lamp socket Oven lamp socket Terminal 1 Disconnectthepowersupplycordandthenremoveouter case 2 Open the door and bl...

Страница 30: ... installation Make sure that the axis of the shaft is not slanted 5 Install the fan motor to the the oven cavity back plate with the two 2 screws 6 Connect the wire leads to the fan motor referring to the pictorial diagram Side View Rear View 1 Disconnect the power supply cord and remove outer case 2 Open the door and block it open 3 Discharge high voltage capacitor 4 Disconnect wire leads from th...

Страница 31: ...lts play in the door should be less than 0 5mm 2 The door sensing switch primary switch and third door switchinterruptthecircuitbeforethedoorcanbeopened 3 Monitor switch contacts close when door is opened 4 Re install outer case and check for microwave leakage around door with an approved microwave survey meter Refer to Microwave Measurement Procedure DOOR REPLACEMENT REMOVAL 1 Disconnect the powe...

Страница 32: ...rd cavity face plate 4 Check for microwave leakage around door with an approved microwave survey meter Refer to Microwave Measurement Procedure Note The door on a microwave oven is designed to act as an electronic seal preventing the leakage of microwave energy from oven cavity during cook cycle This function does not require that door be air tight moisture condensation tight or light tight Theref...

Страница 33: ...OTE The neutral WHT GRY wire must be connected to the terminal with N mark on the power supply cord BLK WHT H N NOTE The grounding conductor of the power supply cord has been grounded by power supply cord fixing screw The screw must always be kept tight COM N O DOOR SENSING SWITCH PNK GRN GRN to Oven cavity GRN PNK GRN 2 1 CN B ORG THIRD DOOR SWITCH COM NO YLW BLK ORG WHT WHT RED GRY WHT BLK GRY C...

Страница 34: ...val system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher COPYRIGHT 2012 BY VIKING ALL RIGHTS RESERVED VIKING RANGE CORPORATION 111 Front St Greenwood MS 38930 Tel 888 845 4641 ...

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