To Next PageTo Next Page
Need help?Do you have a question about the Kenmore 721.80599 and is the answer not in the manual?
Precautions to avoid exposure to microwave energy during servicing.
Warnings regarding high-voltage and high-current nature of the microwave oven.
Guidelines to prevent exposure to microwave radiation.
Safety precautions to follow during the installation process.
Instructions for proper grounding of the appliance.
Description of the microwave oven's control panel layout.
Detailed explanation of each control panel button's function.
Overall schematic representation of the microwave oven's electrical system.
Detailed schematic diagram of the microwave oven's circuits.
Second part of the detailed schematic diagram.
Diagram showing the matrix circuit for the touch key board.
Important precautions to observe during normal operation of the oven.
Procedures for checking the oven after installation.
Overview of key safety systems and features.
Cautionary notes regarding high voltage circuits during service.
Precautions to prevent microwave energy leakage during servicing.
Important cautions related to microwave leakage testing.
List of equipment required for microwave leakage testing.
Procedure for measuring microwave energy leakage.
Measuring microwave leakage with the outer case removed.
Measuring microwave leakage with the oven fully assembled.
Procedure and formula for measuring microwave power output.
Important notes and guidance for performing measurements correctly.
Procedures for recording and reporting measurement results.
Critical notes to be followed before starting disassembly.
Step-by-step guide to remove the power and control circuit board.
Procedures for removing and inserting FPC connectors.
Steps to remove the microwave oven's outer case.
Procedure for removing the door interlock switches.
Steps to remove the magnetron from the oven.
Important notes regarding magnetron removal and gasket installation.
Procedures for removing and disassembling the microwave oven door.
Checks required after door replacement for safety.
Steps to remove the ventilation fan assembly.
Procedure for correctly mounting the door assembly.
Steps to remove the turntable motor.
Important notes for safely removing turntable motor leadwires.
Description of the door lock mechanism for safety.
Procedure for adjusting door latches and interlock switches.
Checking door latch and switch closing gaps and alignment.
Testing the sequence of door interlock switches.
Testing microwave energy leakage after interlock adjustments.
Testing the continuity of the primary interlock switch.
Testing the continuity of the secondary interlock switch.
Testing the continuity of the monitor switch.
Important cautions before performing tests.
Procedure for testing magnetron resistance.
Procedure for testing high-voltage transformer resistance.
Testing the high-voltage capacitor's resistance.
Testing the high-voltage diode's continuity.
Testing the touch key board and its connectors.
Testing the continuity of Relay 2.
Troubleshooting steps for blown fuses and their causes.
Troubleshooting steps for relay issues.
Symptoms indicating a defective circuit board and troubleshooting.
Troubleshooting for when the 'Set Time of Day' message does not appear.
Troubleshooting for incorrect numbers or indications on the display.
Troubleshooting steps when the unit does not heat up.
Troubleshooting for the absence of buzzing sounds during operation.
Troubleshooting for when the ventilation fan does not operate.
Exploded view diagram of the microwave oven door components.
Exploded view diagram of the microwave oven controller components.
Exploded view diagram of the microwave oven cavity components.
Exploded view diagram of the latch board components.
Exploded view diagram of interior components (Part I).
Exploded view diagram of interior components (Part II - I).
Exploded view diagram of interior components (Part II - II).
Exploded view diagram of installation components.
Precautions to avoid exposure to microwave energy during servicing.
Warnings regarding high-voltage and high-current nature of the microwave oven.
Guidelines to prevent exposure to microwave radiation.
Safety precautions to follow during the installation process.
Instructions for proper grounding of the appliance.
Description of the microwave oven's control panel layout.
Detailed explanation of each control panel button's function.
Overall schematic representation of the microwave oven's electrical system.
Detailed schematic diagram of the microwave oven's circuits.
Second part of the detailed schematic diagram.
Diagram showing the matrix circuit for the touch key board.
Important precautions to observe during normal operation of the oven.
Procedures for checking the oven after installation.
Overview of key safety systems and features.
Cautionary notes regarding high voltage circuits during service.
Precautions to prevent microwave energy leakage during servicing.
Important cautions related to microwave leakage testing.
List of equipment required for microwave leakage testing.
Procedure for measuring microwave energy leakage.
Measuring microwave leakage with the outer case removed.
Measuring microwave leakage with the oven fully assembled.
Procedure and formula for measuring microwave power output.
Important notes and guidance for performing measurements correctly.
Procedures for recording and reporting measurement results.
Critical notes to be followed before starting disassembly.
Step-by-step guide to remove the power and control circuit board.
Procedures for removing and inserting FPC connectors.
Steps to remove the microwave oven's outer case.
Procedure for removing the door interlock switches.
Steps to remove the magnetron from the oven.
Important notes regarding magnetron removal and gasket installation.
Procedures for removing and disassembling the microwave oven door.
Checks required after door replacement for safety.
Steps to remove the ventilation fan assembly.
Procedure for correctly mounting the door assembly.
Steps to remove the turntable motor.
Important notes for safely removing turntable motor leadwires.
Description of the door lock mechanism for safety.
Procedure for adjusting door latches and interlock switches.
Checking door latch and switch closing gaps and alignment.
Testing the sequence of door interlock switches.
Testing microwave energy leakage after interlock adjustments.
Testing the continuity of the primary interlock switch.
Testing the continuity of the secondary interlock switch.
Testing the continuity of the monitor switch.
Important cautions before performing tests.
Procedure for testing magnetron resistance.
Procedure for testing high-voltage transformer resistance.
Testing the high-voltage capacitor's resistance.
Testing the high-voltage diode's continuity.
Testing the touch key board and its connectors.
Testing the continuity of Relay 2.
Troubleshooting steps for blown fuses and their causes.
Troubleshooting steps for relay issues.
Symptoms indicating a defective circuit board and troubleshooting.
Troubleshooting for when the 'Set Time of Day' message does not appear.
Troubleshooting for incorrect numbers or indications on the display.
Troubleshooting steps when the unit does not heat up.
Troubleshooting for the absence of buzzing sounds during operation.
Troubleshooting for when the ventilation fan does not operate.
Exploded view diagram of the microwave oven door components.
Exploded view diagram of the microwave oven controller components.
Exploded view diagram of the microwave oven cavity components.
Exploded view diagram of the latch board components.
Exploded view diagram of interior components (Part I).
Exploded view diagram of interior components (Part II - I).
Exploded view diagram of interior components (Part II - II).
Exploded view diagram of installation components.
General| Type | Countertop Microwave Oven |
|---|---|
| Model Number | 721.80599 |
| Brand | Kenmore |
| Color | Stainless Steel |
| Turntable | Yes |
| Cooking Modes | Defrost, Reheat |
