Manuals / Kenmore / Kitchen Appliance / Microwave Oven

Kenmore 721.626424, 721.805944, 721.805934, 721.805924, 721.626434 1Check 1. POWER SUPPLY 2.FUSE

Models: 721.626444 721.805994 721.626494 721.626424 721.626434 721.805924 721.805934 721.805944

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PROBLEM - E: Ventilation fan does not operate when “FAN HIGH/ LOW” key is touched.

1Check: 1. POWER SUPPLY

2.FUSE

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Kenmore 721.626424, 721.805944, 721.805934, 721.805924, 721.626434, 721.626494, 721.805994 manual 1Check 1. POWER SUPPLY 2.FUSE

Contents

DIVISION BASIC FIELD MANUAL FOR MICROWAVE OVEN MarchSAFETY PRECAUTIONS PRECAUTIONS TO BE OBSERVED BEFORE ANDDURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGYFOREWORD TABLE OF CONTENTSSPECIFICATIONS CAUTIONS MICROWAVE RADIATIONMAGNETRON GasketINSTALLATIONS PRECAUTIONS ON INSTALLATIONGROUNDING INSTRUCTIONS OPERATING INSTRUCTIONS CONTROL PANEL4 5 7 8 10 13 14 16 17 18 20 CONTROL PANEL INSTRUCTIONS 27. FanOn/Off. Touch this pad to turn the fan on or OVERALL CIRCUIT DIAGRAM SCHEMATIC DIAGRAM I *Check the Model NoRY1 O.L RY11 V.M RY14 C.L HIGH RY15 C.L NIGHT RY6 MATRIX CIRCUIT FOR TOUCH KEY BOARD GENERAL INFORMATION FOR SERVICE GENERAL PRECAUTIONS IN USEFEATURES AND SPECIFICATIONS FEATURES A. Never operate the unit when it is emptySERVICE INFORMATION PRECAUTIONS AND REPAIR SERVICE TIPSMICROWAVE LEAKAGE TEST CAUTIONSEQUIPMENT MEASURING MICROWAVE ENERGY LEAKAGEPOWER OUTPUT MEASUREMENT NOTE WHEN MEASURINGMEASUREMENT WITH THE OUTER CASE REMOVED MEASUREMENT WITH A FULLY ASSEMBLED OVENDISASSEMBLY INSTRUCTIONS IMPORTANT NOTESHOW TO REMOVE THE F.P.C. CONNECTOR HOW TO INSERT THE F.P.C. CONNECTORFigure Figure Figure FigureB. REMOVING THE OUT CASEFigure Latch Board Secondary Interlock Switch Interlock Monitor Switch Primary Interlock Switch2Remove two screws securing the Latch Board D. REMOVING MAGNETRON E. REMOVING DOOR Figure F. DISASSEMBLING DOOR FigureG. ASSEMBLING DOOR H. REMOVING THE VENTILATION FAN ASSYFigure Figure I. REMOVING THE TURNTABLE MOTOR Figure Figure FigureINTERLOCK SYSTEM ADJUSTMENT PROCEDURESCHECK THE DOOR LATCH AND SWITCH CLOSING ADJUST THE LATCH AND SWITCH CLOSINGTEST THE LATCH AND SWITCH SEQUENCE TEST THE MICROWAVE ENERGY LEAKAGEA. PRIMARY INTERLOCK SWITCH TEST B. SECONDARY INTERLOCK SWITCH TESTC. MONITOR SWITCH TEST INTERLOCK CONTINUITY TESTTEST AND CHECKOUT PRECEDURES AND TROUBLESHOOTING A. TEST PROCEDURESTEST PROCEDURES CAUTIONSTEST PROCEDURES COMPONENTSRESULTS Figure 25-aTEST PROCEDURES COMPONENTSRESULTS Measure the resistance between terminalTEST PROCEDURES PROBLEMScorrectly connected Relay CAUSES2 CHECKOUT PROCEDURES FOR RELAY PROBLEM A when the door is closedDefective RELAY1 Replace RELAY1 PROBLEM B Oven lamp turn on When the door is closed and3CHECKOUT PROCEDURES FOR CIRCUIT BOARD Some of the indicators do no flicker light upvoltage Systems, the interlock switches, the door Proper temperature measurement is not obtainedC. TROUBLE SHOOTING 2.THERMOSTAT stages or at end of cooking 1Check 1. POWER SUPPLY 2.FUSE EXPLODED VIEW DOOR PARTS1005 1004 1002 1000 For 1381CONTROLLER PARTS FOR MODEL:721.62643 #EV#OVEN CAVITY PARTS W138 W142 W109W138 W142 3024 3003 05LATCH BOARD PARTS 40004002 W102INTERIOR PARTS 3002 W101 3012 5009 W108W105 W108INTERIOR PARTS Model 721.805924013027 5015Model INTERIOR PARTS3027 5015INSTALLATION PARTS 6008 W109VINYL #EV#P/NO 3828W5S5158