Manuals / Kenmore / Kitchen Appliance / Microwave Oven

Kenmore 721.626424, 721.805944, 721.805934, 721.805924 Components, Test Procedures, Results, a, b

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:
	(1) Terminal to terminal	Normal reading:
		Momentarily indicates several ohms,
		and then gradually returns to infinite
		ohms.
	Ohm-	Abnormal reading:
	Ohm-	Indicates continuity or infinite ohms
	meter	from the beginning.

HIGH-VOLTAGE	Figure 25-a
CAPACITOR
	(2) Terminal to case	Normal readings:
		Infinite.
		Abnormal reading:
		Indicates continuity.

Ohm- meter

Figure 25-b

Measure the continuity:	Normal readings:
(1) Forward	continuity.
	Abnormal reading:
	Infinite.

Ohm- meter

	HIGH-VOLTAGE	Figure 26-b
	DIODE
	(1) Reverse	Normal readings:
		Infinite.
	Ohm-	Abnormal reading:
	Ohm-	continuity.
	meter	continuity.
	meter

Figure 26-a

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Image 28

Kenmore 721.626424, 721.805944, 721.805934, 721.805924, 721.626434, 721.626494 manual Components, Test Procedures, Results, b

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 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 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 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 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

COMPONENTS

Figure 25-a

Figure 25-b

Figure 26-b

Figure 26-a