Kenmore 721.805944 - Manual

Page 2 - CAUTION; SAFETY PRECAUTIONS; a. Do not operate or allow the oven to be operated with the door open.; installing the magnetron.

CAUTION SAFETY PRECAUTIONS PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY a. Do not operate or allow the oven to be operated with the door open. b. Make the following safety checks on all ovens to be serviced before activating the magn...

Page 3 - TABLE OF CONTENTS; FOREWORD

TABLE OF CONTENTS (Page) SAFETY PRECAUTIONS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Inside front page SPECIFICATIONS - - - - - - - - - - - -...

Page 4 - SPECIFICATIONS

1-1 Rated Power Consumption - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1500W maximum (Microwave oven+Cook top lamps+Ventilation fan)Microwave Output - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1000W (IEC60705) Adjustable 10...

Page 5 - CAUTIONS; MICROWAVE RADIATION

• DO NOT operate on a 2-wire extension cord during repair and use. • NEVER TOUCH any oven components or wiring during operation. • BEFORE TOUCHING any parts of the oven, always remove the power plug from the outlet. • For about 30 seconds after the oven stops, an electric charge remains in the high ...

Page 6 - PRECAUTIONS ON INSTALLATION; GROUNDING INSTRUCTIONS; INSTALLATIONS

PRECAUTIONS ON INSTALLATION A. Plug the power supply cord into a 120V AC, 60Hz, single-phase power source with a capacity of 15Aor 20A. B. Avoid placing the unit in a location where there is direct heat or splashing water. C. Install the unit on the mounting plate firmly.D. Place the unit as far awa...

Page 7 - OPERATING INSTRUCTIONS; CONTROL PANEL

4-1 OPERATING INSTRUCTIONS CONTROL PANEL 1 2 6 9 11 15 19 23 26 27 24 12 5 8 10 14 16 17 18 21 20 22 25 29 28 13 7 4 3

Page 8 - CONTROL PANEL INSTRUCTIONS

1. Display. The display includes a clock and indicators to tell you time of day, cooking time settings, cook powers,quantities, weights and cooking functions selected. 2. Dinner Plate. Touch this pad to cook without entering a cook time or power. 3. Frozen Entree. Touch this pad to cook a 10 - to 20...

Page 9 - OVERALL CIRCUIT DIAGRAM

5-1 OVERALL CIRCUIT DIAGRAM SCHEMATIC DIAGRAM (I) *Check the Model No.

Page 11 - MATRIX CIRCUIT FOR TOUCH KEY BOARD

Page 12 - GENERAL PRECAUTIONS IN USE; TRIAL OPERATION; GENERAL INFORMATION FOR SERVICE

GENERAL PRECAUTIONS IN USE A. Never operate the unit when it is empty. Operating the oven with no load may shorten thelife of the magnetron. Whenever cooking dry foods(dried fish, bread, etc.) or a small amount of food,be sure to put a glass of water into the cookingcompartment. The glass turntable ...

Page 13 - PRELIMINARY; SERVICE INFORMATION; PRECAUTIONS AND REPAIR SERVICE TIPS

PRELIMINARY A. SINCE NEARLY 2,100 VOLTS EXISTS IN SOME CIRCUITS OF THIS UNIT REPAIRS SHOULD BECARRIED OUT WITH GREAT CARE. The filament leads of magnetron carry HighVoltage with respect to ground. Extreme cautionmust be exercised. Never plug the unit into apower source to determine which component i...

Page 14 - MICROWAVE LEAKAGE TEST

CAUTIONS • Be sure to check microwave leakage prior to servicing the oven if the oven is operative prior toservicing. • The service personnel should inform the manufacture importer, or assembler of any certifiedoven unit found to have a microwave emission levelin excess of 5 mW/cm 2 and should repai...

Page 15 - NOTE WHEN MEASURING; POWER OUTPUT MEASUREMENT

MEASUREMENT WITH THE OUTER CASEREMOVED (1) When you replace the magnetron, measure for microwave energy leakage before the outer caseis installed and after all necessary componentsare replaced or adjusted. Special care should betaken in measuring the following parts.- Around the magnetron- The waveg...

Page 16 - A. REMOVING POWER AND CONTROL; DISASSEMBLY INSTRUCTIONS

IMPORTANT NOTES: UNIT MUST BE DISCONNECTED FROM ELEC-TRICAL OUTLET WHEN MAKING REPAIRS, RE-PLACEMENTS, ADJUSTMENTS AND CONTIN-UITY CHECKS. WAIT AT LEAST ONE MINUTE,UNTIL THE HIGH VOLTAGE CAPACITOR IN THEHIGH VOLTAGE POWER SUPPLY HAS FULLYDISCHARGED.THE CAPACITOR SHOULD BE DISCHARGED BYUSING INSULATE...

Page 19 - C. REMOVING THE DOOR INTERLOCK

C. REMOVING THE DOOR INTERLOCK SWITCHES (Figures 9,10) (1) Disconnect the wire leads from the interlock switches. (2) Remove two screws securing the Latch Board.(3) Make necessary replacements and check microwave energy leakage according to“ADJUSTMENT PROCEDURE” on page 7-12. Latch Board SecondaryIn...

Page 20 - D. REMOVING MAGNETRON

D. REMOVING MAGNETRON (Figures 11 Through 13) (1) Remove the vent grille.(2) Remove mount, all.(3) Remove outcase.(4) Disconnect the wireleads.(5) Remove the three screws and Magnetron very carefully. NOTES: • When removing the magnetron, make sure that its dome does not hit any adjacent parts, or i...

Page 22 - H. REMOVING THE VENTILATION FAN

G. ASSEMBLING DOOR (1) When mounting the door assembly to the oven assembly, be sure to adjust the door assemblyparallel to the chassis. Also adjust so the door has noplay between the inner door surface and oven frameassembly. If the door assembly is not mountedproperly, microwaves may leak from the...

Page 23 - I. REMOVING THE TURNTABLE MOTOR

I. REMOVING THE TURNTABLE MOTOR (1) Remove the turntable.(2) Remove the turntable shaft VERY CAREFULLY with a slotted screwdriver. (Figure 19) (3) Remove the base plate by removing eight screws securing it to the oven cavity. (Figure 20) (4) Disconnect the leadwire from the turntable motor terminals...

Page 24 - INTERLOCK SYSTEM; INTERLOCK MECHANISM

ADJUSTMENT PROCEDURES To avoid possible exposure to microwave energyleakage, adjust the door latches and interlockswitches, using the following procedure. The Interlock Monitor and Primary Interlock Switch actas the final safety switch protecting the user frommicrowave energy. The terminals between ...

Page 26 - A. PRIMARY INTERLOCK SWITCH TEST; B. SECONDARY INTERLOCK SWITCH TEST; INTERLOCK CONTINUITY TEST; COMPONENTS TEST; WARNING : FOR CONTINUED PROTECTION AGAINST EXCESSIVE RADIATION

A. PRIMARY INTERLOCK SWITCH TEST When the door is opened slowly, an audible click should be heard at the same time or successivelyat intervals and the latches should activate theswitches with an audible click. If the latches do not activate the switches when thedoor is closed, the switches should be...

Page 27 - TEST AND CHECKOUT PRECEDURES AND TROUBLESHOOTING

7-15 TEST AND CHECKOUT PRECEDURES AND TROUBLESHOOTING A. TEST PROCEDURES - CAUTIONS - - DISCONNECT THE POWER SUPPLY CORD FROM THE WALL OUTLET WHENEVERREMOVINGING THE CABINET FROM THE UNIT.PROCEED WITH THE TESTS ONLY AFTERDISCHARGING THE HIGH VOLTAGE CAPACITORAND REMOVING THE WIRE LEADS FROM THEPRIMA...

Page 30 - B. CHECKOUT PROCEDURES

NOTES: • A MICROWAVE ENERGY TEST MUST ALWAYS BE PERFORMED WHEN THE UNIT IS SERVICED FOR ANY REASON. • MAKE SURE THE WIRE LEADS ARE IN THE CORRECT POSITION.• WHEN REMOVING THE WIRE LEADS FROM THE PARTS, BE SURE TO GRASP THE CONNECTOR, NOT THE WIRES. B. CHECKOUT PROCEDURES (1) CHECKOUT PROCEDURES FOR ...

Page 37 - EXPLODED VIEW; DOOR PARTS

8-1 EXPLODED VIEW DOOR PARTS 1005 1000 1002 1004 1006 1007 1011 1009 1381 For 721. 62643 721. 80593 1003 1008 W109 #EV# Model: 721.62642400 / 721.80592401 / 721.80592402 721.62649400 / 721.80599401 / 721.80599402721.62644400 / 721.80594401 / 721.80594402721.62643400 / 721.80593401 / 721.80593402

Page 38 - CONTROLLER PARTS

8-2 CONTROLLER PARTS 2004 2002 2000 2008 2381 2006 W106 *07 2004 2008 2006 W106 *07 2381 #EV# FOR MODEL:721.62642721.62649721.62644721.80592721.80599721.80594 FOR MODEL:721.62643721.80593

Page 39 - OVEN CAVITY PARTS

W138 W138 W138 W142 W142 W142 3001 3029 3024 3003 3036 3018 3034 3026 3028 5036 3026 3025 3011 6000 5038 3014 6001 W118 W118 *05 *01 *04 W109 3010 FOR MODEL 721. 62642721. 62644721. 80592721. 80594 FOR MODEL721. 62649721. 62643721. 80599721. 80593 8-3 OVEN CAVITY PARTS #EV#

Page 40 - LATCH BOARD PARTS

8-4 4000 W102 4001 4002 4003 4002 4004 LATCH BOARD PARTS #EV#

Page 44 - INSTALLATION PARTS

8-8 INSTALLATION PARTS 6008 W109 6011 6010 6009 VINYL BAG #EV#

Page 45 - Printed in Korea