Maytag ACO1530AB, ACO1840AC, ACO1560AB, ACO1840AB, ACO1560AC Wire across Replace high Thermostat

Page 15

Troubleshooting Procedures

Check:

1. Air Vents.

Unit operates normal, but little or no heating is produced with an oven load.

Check if fan motor operates when START is pressed.

Does fan motor

YES

Measure

operate when

resistance

START is

of high voltage

pressed.

capacitor.

Does capacitor have

NO

correct resistance.

See to Testing

NO

Procedures on

Place a jumper

page 10.

YES

wire across

Replace high

thermostat.

voltage

capacitor.

Replace

magnetron.

Does	YES
fan motor
operate.		Replace
NO		thermostat.
NO
		Unit operates.
Measure
resistance
of fan motor,
approximately
38 ohms.
		Replace
		circuit
Is the resistance	YES	board.
Is the resistance	YES
of fan motor
correct.
NO
	Replace
	fan motor.

©2002 Maytag Appliances Company

15

16021668 Rev. 0

Image 15

Contents Service Web Site Telephone Number Customer Service Support CenterRecognize Safety Symbols, Words, and Labels Important InformationTable of Contents Servicing of Grounded Products WiringImportant Product Information Grounding InstructionsImportant Safety Information Microwave Leakage Testing General Information Microwave Oven Description Vent grilleOven control Testing Procedures Relay High Voltage CapacitorHigh Voltage Diode Humidity SensorACO1840/MMV4184 models Pad Conn ACO1520/ACO1530 models Pad ConnACO1560/MMV5156 models Pad Conn ACO1560/MMV5156 modelsFan Motor Circuit BoardOven Thermostat FuseTroubleshooting Procedures Adjust or Wire across Replace high Thermostat When Start pad is Check Power Supply Fuse Grille Disassembly ProceduresDoor Assembly Door DisassemblyRelay ACO1520*, ACO1530*, and MMV5156 Control PanelBoard Control Panel RemovalRelay Power TransformerOuter Case Screw Control Panel Circuit BoardInterlock Door Latch Switches Stirrer Assembly some modelsHigh Voltage Capacitor Removal Adjusting InterlocksDiode ACO1840*, ACO1860*, JMV8196 MMV4184*, and MMV5186Fuse Removal Magnetron Fan AssemblyPower Transformer Removal TransformerHumidity Sensor Removal Magnetron Thermal FuseMagnetron Thermal Fuse Fan MotorVent Blower Base ThermostatLight Socket Turntable MotorWiring 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 energyTools and materials required for installation Parts, Tools, and MaterialsFollowing parts are supplied with the oven Roof Venting Preparing Electrical ConnectionPreparing Venting System Roof-VentingStandard Fittings Ductwork Length Room VentingPreparing Venting Blower Roof Venting InstallationWall Venting Installation Room Venting Installation RecirculatingPreparing 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 Care and Cleaning Cleaning the Grease FiltersCharcoal Filter Replacement Oven Light Replacement Cooktop/Night Light Replacement