Maytag ACO1560AC, ACO1840AC, ACO1560AB, ACO1530AB, ACO1840AB, ACO1560AS Check Power Supply Fuse

Page 17

Troubleshooting Procedures

Check:

1.Power Supply.

2.Fuse.

Ventilation fan does not operate when FAN HIGH/LOW pad is pressed.

Measure resistance of magnetron thermal fuse and oven thermostat.

Does magnetron

thermal fuse and YES oven thermostat have

the correct resistance.

NO

Test and replace failed

component.

	Verify proper				Does ribbon
	connection of				Does ribbon
	connection of				connector have
	ribbon				connector have
	connector.				proper
					connection.			YES
								YES
					NO

							Replace
	Reconnect ribbon						Replace
	Reconnect ribbon						circuit
	connector for						circuit
	connector for						board.
	proper connection.						board.
	proper connection.

Unit operates.

	Replace	NO
	ventilation	NO
	ventilation
	fan.

Does unit operate.

YES

©2002 Maytag Appliances Company

17

16021668 Rev. 0

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Contents Service Recognize Safety Symbols, Words, and Labels Customer Service Support CenterImportant Information Web Site Telephone NumberTable of Contents Important Product Information WiringGrounding Instructions Servicing of Grounded ProductsImportant Safety Information Microwave Leakage Testing General Information Oven control Microwave Oven DescriptionVent grille Testing Procedures High Voltage Diode High Voltage CapacitorHumidity Sensor RelayACO1560/MMV5156 models Pad Conn ACO1520/ACO1530 models Pad ConnACO1560/MMV5156 models ACO1840/MMV4184 models Pad ConnOven Thermostat Circuit BoardFuse Fan MotorTroubleshooting Procedures Adjust or Wire across Replace high Thermostat When Start pad is Check Power Supply Fuse Door Assembly Disassembly ProceduresDoor Disassembly GrilleBoard Control PanelControl Panel Removal Relay ACO1520*, ACO1530*, and MMV5156Outer Case Power TransformerScrew Control Panel Circuit Board RelayInterlock Door Latch Switches Stirrer Assembly some modelsDiode Adjusting InterlocksACO1840*, ACO1860*, JMV8196 MMV4184*, and MMV5186 High Voltage Capacitor RemovalPower Transformer Removal Magnetron Fan AssemblyTransformer Fuse RemovalMagnetron Thermal Fuse Magnetron Thermal FuseFan Motor Humidity Sensor RemovalLight Socket Base ThermostatTurntable Motor Vent BlowerWiring Diagram and Schematic ACO1560* and MMV5156* Models ACO18*, JMV8196*, MMV4184, and MMV5186* Models Appendix a Installation InstructionElectrical rating of this oven 120V AC 60Hz Avoid Electrical ShockDo not USE the Microwave Oven Do not expose yourself to excessive microwave energyFollowing parts are supplied with the oven Tools and materials required for installationParts, Tools, and Materials Preparing Venting System Preparing Electrical ConnectionRoof-Venting Roof VentingStandard Fittings Ductwork Length Room VentingWall Venting Installation Roof Venting InstallationRoom Venting Installation Recirculating Preparing Venting BlowerPreparing Wall and Upper Cabinet Preparing Template PlacementDrilling Holes in the Wall and Upper Cabinet Installing Mounting PlateAttaching Oven to the Wall Damper This page intentionally left blank Appendix B Charcoal Filter Replacement Care and CleaningCleaning the Grease Filters Oven Light Replacement Cooktop/Night Light Replacement