Manuals / Kenmore / Kitchen Appliance / Microwave Oven

Kenmore 721.626494 Components, Test Procedures, Results, Measure the resistance between terminal

Models: 721.626444 721.805994 721.626494 721.626424 721.626434 721.805924 721.805934 721.805944

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COMPONENTS	TEST PROCEDURES		RESULTS
	Measure the resistance between terminal
	Measure the resistance between terminal		When	When not
	pins of connector KEY CONNECTOR.		When	When not
	pins of connector KEY CONNECTOR.	Resistance	touched	touched
	NOTE:	Resistance	touched	touched

		value	Less than	More than
	When reconnecting the FPC connector,	value
	When reconnecting the FPC connector,
	make sure that the holes on the FPC		400 ohms	1 mega ohm
	connector are properly engaged with hooks
	connector are properly engaged with hooks
	on the plastic fastener.

	MATRIX CIRCUIT FOR	FPC CONNECTOR
	MATRIX CIRCUIT FOR	Top
	TOUCH KEY BOARD	Top
	TOUCH KEY BOARD
	CONNECTOR(KEY CON)
	(For detail matrix circuit of each model,
	refer to page 5-2.)
	TOUCH KEY
	BOARD

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Kenmore 721.626494, 721.805944, 721.805934 Components, Test Procedures, Results, Measure the resistance between terminal

Contents

March DIVISION BASIC FIELD MANUAL FOR MICROWAVE OVENPRECAUTIONS TO BE OBSERVED BEFORE AND SAFETY PRECAUTIONSDURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGYTABLE OF CONTENTS FOREWORDSPECIFICATIONS MICROWAVE RADIATION CAUTIONSMAGNETRON GasketGROUNDING INSTRUCTIONS INSTALLATIONSPRECAUTIONS ON INSTALLATION 4 5 7 8 10 13 14 16 17 18 20 OPERATING INSTRUCTIONSCONTROL PANEL On/Off. Touch this pad to turn the fan on or CONTROL PANEL INSTRUCTIONS27. Fan SCHEMATIC DIAGRAM I *Check the Model No OVERALL CIRCUIT DIAGRAMRY1 O.L RY11 V.M RY14 C.L HIGH RY15 C.L NIGHT RY6 MATRIX CIRCUIT FOR TOUCH KEY BOARD GENERAL PRECAUTIONS IN USE GENERAL INFORMATION FOR SERVICEFEATURES AND SPECIFICATIONS FEATURES A. Never operate the unit when it is emptyPRECAUTIONS AND REPAIR SERVICE TIPS SERVICE INFORMATIONCAUTIONS MICROWAVE LEAKAGE TESTEQUIPMENT MEASURING MICROWAVE ENERGY LEAKAGENOTE WHEN MEASURING POWER OUTPUT MEASUREMENTMEASUREMENT WITH THE OUTER CASE REMOVED MEASUREMENT WITH A FULLY ASSEMBLED OVENIMPORTANT NOTES DISASSEMBLY INSTRUCTIONSHOW TO INSERT THE F.P.C. CONNECTOR HOW TO REMOVE THE F.P.C. CONNECTORFigure Figure Figure FigureB. REMOVING THE OUT CASEFigure 2Remove two screws securing the Latch Board Latch Board Secondary Interlock Switch InterlockMonitor Switch Primary Interlock Switch D. REMOVING MAGNETRON F. DISASSEMBLING DOOR Figure E. REMOVING DOOR FigureFigure Figure G. ASSEMBLING DOORH. REMOVING THE VENTILATION FAN ASSY Figure Figure Figure I. REMOVING THE TURNTABLE MOTORADJUSTMENT PROCEDURES INTERLOCK SYSTEMCHECK THE DOOR LATCH AND SWITCH CLOSING ADJUST THE LATCH AND SWITCH CLOSINGTEST THE MICROWAVE ENERGY LEAKAGE TEST THE LATCH AND SWITCH SEQUENCEB. SECONDARY INTERLOCK SWITCH TEST A. PRIMARY INTERLOCK SWITCH TESTC. MONITOR SWITCH TEST INTERLOCK CONTINUITY TESTA. TEST PROCEDURES TEST AND CHECKOUT PRECEDURES AND TROUBLESHOOTINGTEST PROCEDURES CAUTIONSCOMPONENTS TEST PROCEDURESRESULTS Figure 25-aCOMPONENTS TEST PROCEDURESRESULTS Measure the resistance between terminalPROBLEMS TEST PROCEDUREScorrectly connected Relay CAUSESwhen the door is closed 2 CHECKOUT PROCEDURES FOR RELAY PROBLEM ADefective RELAY1 Replace RELAY1 PROBLEM B Oven lamp turn on When the door is closed andSome of the indicators do no flicker light up 3CHECKOUT PROCEDURES FOR CIRCUIT BOARDvoltage 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 DOOR PARTS EXPLODED VIEW1005 1004 1002 1000 For 1381FOR MODEL: CONTROLLER PARTS721.62643 #EV#W138 W142 W109 OVEN CAVITY PARTSW138 W142 3024 3003 054000 LATCH BOARD PARTS4002 W1023002 W101 3012 5009 W108 INTERIOR PARTSW105 W108Model 721.80592401 INTERIOR PARTS3027 5015INTERIOR PARTS Model3027 50156008 W109 INSTALLATION PARTSVINYL #EV#P/NO 3828W5S5158