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Maytag 1800 W - 2005 manual Troubleshooting Procedures Electronic Models

Models: 1800 W - 2005

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Troubleshooting Procedures (Electronic Models)

Trouble 5: No microwave oscillation even when oven light and fan motor operate.

No microwave oscillation.

Disconnect wire leads from relay RY2 and verify continuity of the relay.

Continuity

Failed controller.

Replace controller.

Check high	Abnormal	Failed high	Replace high
voltage		voltage	voltage
transformer.		transformer.	transformer.
	Normal

Check high voltage capacitor.

Check high voltage diode.

Abnormal

Normal

Abnormal

Failed high

voltage capacitor.

Failed high

voltage diode.

Replace high voltage capacitor.

Replace high voltage diode.

Normal

Check magnetron.

Abnormal

Failed magnetron.

Replace magnetron.

Operates at

full power

when

programmed

for lower power.

Disconnect wire leads from relay RY2 and verify continuity of the relay.

Abnormal

Failed controller.

Replace controller.

16026795

Page 16

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Maytag 1800 W - 2005 manual Troubleshooting Procedures Electronic Models

Contents

Service RFS18MPS P1330209M1800 W Countertop Commercial Microwave Ovens This Base Manual covers general informationImportant Notices for Servicers and Consumers Service Support CenterImportant Information APPROPRIATE SERVICE INFORMATION BEFORE BEGINNING REPAIRSTable of Contents Important Safety Information SAVE THESE INSTRUCTIONS Important Safety InformationRecognize this symbol as a SAFETY message 2. READ AND FOLLOW the specificImportant Safety Information PRECAUTIONS TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGYSAVE THESE INSTRUCTIONS Grounding Instructions Important Safety InformationWiring Test Procedures 2 MethodsServicing of Grounded Products ExplanationEquipment Placement General InformationUnpacking Equipment Radio InterferenceService Parts and AccessoriesModel Identification Microwave Oven DescriptionTroubleshooting Procedures ConditionCause RemedyTroubleshooting Procedures ConditionCheck ResultTroubleshooting Procedures Electronic Models Troubleshooting Procedures Electronic Models Trouble 4 Oven operates with little or no heat Troubleshooting Procedures Electronic ModelsTroubleshooting Procedures Electronic Models Service Information Proper Handling of Magnetron TubesMagnetron Failure Modes 1. ShortedMicrowave Leakage Testing Procedure for Measuring Radiation LeakageEquipment Measurement with the Outer Panel RemovedRadiation Monitors Testing Procedures FilamentTesting Procedures module, reconnect wires to switchAfter verifying or replacing the and check operation of monitor circuitTesting Procedures Probe PlacementSetting FunctionPower Test ProcedureTesting Procedures Minimum Temperature Rise at Thirty -Three 33 Seconds Run TimeDisassembly Procedures Disconnecting Wire TerminalsOuter Case DO NOT PULL ON WIREDoor Assembly Door DisassemblyDisassembly Procedures Door RemovalInterlock Switches Control PanelDisassembly Procedures NO Primary SwitchHigh Voltage Capacitor Disassembly ProceduresAdjusting Interlocks Bottom Magnetron High Voltage Capacitor RemovalFuse / Fuse Block / Filter Assembly Diode/Circuit ProtectorTransformer MagnetronBlower Motor Splatter ShieldTop Antenna Bottom AntennaTray Replacement Magnetron Thermal Cut-Out TCOOven Light Removal Cavity Thermal FuseAppendix A 16026795QuickStartReferenceGuide CLEAN FILTERRefer to Product Safety Manual for Safety Statements So...how do I use it? Electronic ControlQuick Start Reference Guide Refer to Product Safety Manual for Safety StatementsDO NOT power spray No metal pans ?Can I change an option?