Manuals / Kenmore / Kitchen Appliance / Microwave Oven

Kenmore 721.805924, 721.805944, 721.805934, 721.626434, 721.626424, 721.626494, 721.805994 Thermostat

Models: 721.626444 721.805994 721.626494 721.626424 721.626434 721.805924 721.805934 721.805944

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PROBLEM - C: Unit does not heat up even if display counts down when START key is touched for “HIGH POWER” cooking.

1Check: 1. PRIMARY AND SECONDARY INTERLOCK SWITCHES

2.THERMOSTAT

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Kenmore 721.805924, 721.805944, 721.805934, 721.626434, 721.626424, 721.626494, 721.805994, 721.626444 manual Thermostat

Contents

DIVISION BASIC FIELD MANUAL FOR MICROWAVE OVEN MarchDURING SERVICING TO AVOID POSSIBLE EXPOSURE SAFETY PRECAUTIONSPRECAUTIONS TO BE OBSERVED BEFORE AND TO EXCESSIVE MICROWAVE ENERGYFOREWORD TABLE OF CONTENTSSPECIFICATIONS MAGNETRON CAUTIONSMICROWAVE RADIATION GasketPRECAUTIONS ON INSTALLATION INSTALLATIONSGROUNDING INSTRUCTIONS CONTROL PANEL OPERATING INSTRUCTIONS4 5 7 8 10 13 14 16 17 18 20 27. Fan CONTROL PANEL INSTRUCTIONSOn/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 FEATURES AND SPECIFICATIONS FEATURES GENERAL INFORMATION FOR SERVICEGENERAL PRECAUTIONS IN USE A. Never operate the unit when it is emptySERVICE INFORMATION PRECAUTIONS AND REPAIR SERVICE TIPSEQUIPMENT MICROWAVE LEAKAGE TESTCAUTIONS MEASURING MICROWAVE ENERGY LEAKAGEMEASUREMENT WITH THE OUTER CASE REMOVED POWER OUTPUT MEASUREMENTNOTE WHEN MEASURING MEASUREMENT WITH A FULLY ASSEMBLED OVENDISASSEMBLY INSTRUCTIONS IMPORTANT NOTESFigure Figure HOW TO REMOVE THE F.P.C. CONNECTORHOW TO INSERT THE F.P.C. CONNECTOR Figure FigureB. REMOVING THE OUT CASEFigure Monitor Switch Primary Interlock Switch Latch Board Secondary Interlock Switch Interlock2Remove two screws securing the Latch Board D. REMOVING MAGNETRON E. REMOVING DOOR Figure F. DISASSEMBLING DOOR FigureH. REMOVING THE VENTILATION FAN ASSY G. ASSEMBLING DOORFigure Figure I. REMOVING THE TURNTABLE MOTOR Figure Figure FigureCHECK THE DOOR LATCH AND SWITCH CLOSING INTERLOCK SYSTEMADJUSTMENT PROCEDURES ADJUST THE LATCH AND SWITCH CLOSINGTEST THE LATCH AND SWITCH SEQUENCE TEST THE MICROWAVE ENERGY LEAKAGEC. MONITOR SWITCH TEST A. PRIMARY INTERLOCK SWITCH TESTB. SECONDARY INTERLOCK SWITCH TEST INTERLOCK CONTINUITY TESTTEST PROCEDURES TEST AND CHECKOUT PRECEDURES AND TROUBLESHOOTINGA. TEST PROCEDURES CAUTIONSRESULTS TEST PROCEDURESCOMPONENTS Figure 25-aRESULTS TEST PROCEDURESCOMPONENTS Measure the resistance between terminalcorrectly connected Relay TEST PROCEDURESPROBLEMS CAUSESDefective RELAY1 Replace RELAY1 PROBLEM B 2 CHECKOUT PROCEDURES FOR RELAY PROBLEM Awhen the door is closed Oven lamp turn on When the door is closed andvoltage Systems, the interlock switches, the door 3CHECKOUT PROCEDURES FOR CIRCUIT BOARDSome of the indicators do no flicker light up Proper temperature measurement is not obtainedC. TROUBLE SHOOTING 2.THERMOSTAT stages or at end of cooking 1Check 1. POWER SUPPLY 2.FUSE 1005 1004 1002 1000 For EXPLODED VIEWDOOR PARTS 1381721.62643 CONTROLLER PARTSFOR MODEL: #EV#W138 W142 OVEN CAVITY PARTSW138 W142 W109 3024 3003 054002 LATCH BOARD PARTS4000 W102W105 INTERIOR PARTS3002 W101 3012 5009 W108 W1083027 INTERIOR PARTSModel 721.80592401 50153027 ModelINTERIOR PARTS 5015VINYL INSTALLATION PARTS6008 W109 #EV#P/NO 3828W5S5158