Maytag ACO1560AB, ACO1840AC, ACO1530AB, ACO1840AB, ACO1560AC, ACO1560AS, ACO1860AC, ACO1560AW Adjust or

Page 14

Troubleshooting Procedures

Check:

1. Touch Keypad.

Display does not count down when START is pressed.

Measure resistance of CN2 between pin 1 and pin 3 with door closed.

Is

 

 

 

Verify proper

 

 

 

 

 

continuity

 

 

 

connection of

 

 

 

 

 

 

 

 

 

 

 

 

 

indicated.

YES

 

ribbon

 

 

 

 

 

NO

 

 

 

 

 

 

 

connector.

 

Does ribbon

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

connector have

 

 

 

 

 

 

 

 

 

NO

 

proper

 

 

 

 

 

 

 

 

 

 

 

connection.

YES

 

Adjust or

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

replace door

 

 

 

Reconnect

 

 

 

 

 

sensing

 

 

 

 

 

 

 

 

 

 

ribbon connector

 

 

 

 

 

switch.

 

 

 

 

 

Replace

 

 

 

for proper

 

 

 

 

 

 

 

 

 

 

 

connection.

 

 

 

circuit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

board.

 

 

 

 

 

 

 

 

 

 

 

 

 

Unit operates.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No buzzer sound when pressing control pad between stages or at the end of cooking.

Verify normal operation of circuit board.

Replace circuit board.

Unit operates.

16021668 Rev. 0

14

©2002 Maytag Appliances Company

Image 14
Contents Service Important Information Customer Service Support CenterRecognize Safety Symbols, Words, and Labels Web Site Telephone NumberTable of Contents Grounding Instructions WiringImportant Product Information Servicing of Grounded ProductsImportant Safety Information Microwave Leakage Testing General Information Oven control Microwave Oven DescriptionVent grille Testing Procedures Humidity Sensor High Voltage CapacitorHigh Voltage Diode RelayACO1560/MMV5156 models ACO1520/ACO1530 models Pad ConnACO1560/MMV5156 models Pad Conn ACO1840/MMV4184 models Pad ConnFuse Circuit BoardOven Thermostat Fan MotorTroubleshooting Procedures Adjust or Wire across Replace high Thermostat When Start pad is Check Power Supply Fuse Door Disassembly Disassembly ProceduresDoor Assembly GrilleControl Panel Removal Control PanelBoard Relay ACO1520*, ACO1530*, and MMV5156Screw Control Panel Circuit Board Power TransformerOuter Case RelayStirrer Assembly some models Interlock Door Latch SwitchesACO1840*, ACO1860*, JMV8196 MMV4184*, and MMV5186 Adjusting InterlocksDiode High Voltage Capacitor RemovalTransformer Magnetron Fan AssemblyPower Transformer Removal Fuse RemovalFan Motor Magnetron Thermal FuseMagnetron Thermal Fuse Humidity Sensor RemovalTurntable Motor Base ThermostatLight Socket Vent BlowerWiring Diagram and Schematic ACO1560* and MMV5156* Models ACO18*, JMV8196*, MMV4184, and MMV5186* Models Installation Instruction Appendix aAvoid Electrical Shock Electrical rating of this oven 120V AC 60HzDo not expose yourself to excessive microwave energy Do not USE the Microwave OvenFollowing parts are supplied with the oven Tools and materials required for installationParts, Tools, and Materials Roof-Venting Preparing Electrical ConnectionPreparing Venting System Roof VentingRoom Venting Standard Fittings Ductwork LengthRoom Venting Installation Recirculating Roof Venting InstallationWall Venting Installation Preparing Venting BlowerPreparing Template Placement Preparing Wall and Upper CabinetInstalling Mounting Plate Drilling Holes in the Wall and Upper CabinetAttaching Oven to the Wall Damper This page intentionally left blank Appendix B Charcoal Filter Replacement Care and CleaningCleaning the Grease Filters Cooktop/Night Light Replacement Oven Light Replacement