Maytag UMV1152CA Testing Procedures, 16027303, Illustration, Component, Test Procedure, Results

Testing Procedures

!WARNING

To avoid risk of electrical shock, personal injury or death; disconnect power to microwave oven and discharge the high voltage capacitor before servicing, unless testing requires power.

Illustration	Component	Test Procedure	Results
	Convection heater element	Remove all wires from heater.
	JMV9169BA*,	Measure resistance across terminals	Approx. 15-25 Ω (70° F, 20° C).
	JMV8166BA*,
	AMV6167BD*
	Convection motor	Remove all wires from motor.
	JMV9169BA*,	Measure resistance across coil	Approx. 14.5 - 17 Ω.
	JMV8166BA*,
	AMV6167BD*
	Primary interlock switch test	Measure resistance between
	(Bottom switch)	terminals 1 and 2:	Open (Infinite).
	1	Door Open
		Door Closed	Continuity.
	2
	Secondary interlock switch	Measure resistance between
	test	terminals 1 and 2:	Open (Infinite).
	(Top switch)	Door Open
		Door Closed	Continuity.

		Interlock monitor switch test	Measure resistance between
		(Middle switch)	terminals 1 and 2:	Continuity.
		1	Door Open
		2	Door Closed	Open (Infinite).
	B A	Fan motor	Remove all wires from motor.
C		MMV4205BA*, AMV5206BA*,	Measure resistance	Approx. 28 - 35 Ω.
		MMV5207BA, JMV8208B**,
		JMV9169BA*, JMV8166BA*,		Infinite or several, motor is defective.
		AMV6167BD*
		Stirrer Motor	Measure voltage across terminals	Approx. 120 VAC.
		UMV1152CA*, AMV1154BA*,	Measure resistance across terminals	Approx. 3 to 4 Ω.
		AMV5164BA*, MMV1153BA*,
		MMV5165BA*
		Stirrer Motor	Measure voltage across terminals	Approx. 120 VAC.
			Measure resistance across terminals	Approx. 108 to 132 kΩ.
		Turntable Motor	Measure voltage across terminals	Approx. 120 VAC.
		UMV1152CA*, AMV1154BA*,	Measure resistance across terminals	Approx. 3 to 4 Ω.
		AMV5164BA*, MMV1153BA*,
		MMV5165BA*
		Turntable Motor	Measure voltage across terminals	Approx. 120 VAC.
			Measure resistance across terminals	Approx. 108 to 132 kΩ.
		Damper Motor	Measure voltage across terminals	Approx. 120 VAC.
		JMV9169BA*, JMV8166BA*,	Measure resistance across terminals	Approx. 3 to 4 kΩ.
		AMV6167BD*
		Louvre Motor	Measure voltage across terminals	Approx. 120 VAC.
		JMV8208B**, JMV9169BA*,	Measure resistance across terminals	Approx. 3100 to 3900 kΩ.
		JMV8166BA*, AMV6167BD*

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